Me. Justice BeowN

delivered- the opinion of the court.

(1) The.motion of the plaintiff Parker, to dismiss the appeal as to him upon the ground that less than five thousand dollars is/involved, demands our first consideration. His position is .that the suit-embraces two separate and distinct conti’oversies: one-.between-Parker'and appellants, and one between Hamlin and appellants-; ‘ that there .-were séparáte decrees in these'several causes; that these decrees cannot be aggregated for the purpose of sustaining the jurisdiction of this court, nor can the appeal be sustained as to him by reason of the fact that, as to Hamlin, more than the requisite jurisdictional amount is at isjiie. It is true that the amount, of Parker’s decree was but twenty- ■ four hundred dollars and interest, but his bill' was filed nof only for himself, but for all the other bondholders under the mortgage, and the cross-bill avers that he actually represented upwards of tw.o hundred of the bonds issued under this mortgage, (an averment admitted by his demurrer,) and prayed for a decree declaring the invalidity of the entire mortgage as to these *51 lands. Had the bill been filed by the trustee under this mortgage for the foreclosure of the whole amount of the debt, and a similar cross-bill had been-filed for its cancellation, there could be no doubt of the appealable character of any decree rendered upon these pleadings. This mortgage, however, contained- a provision permitting a foreclosure by any holder of an overdue bond or coupon. Parker’s bill was filed practically for the benefit of the entire number of -bondholders, and the cross-bill could not be sustained except upon the theory that the entire mortgage was invalid as a lien upon these lands. While a decree in favor of the cross-plaintiff might not have been binding upon any defendant to the cross-bill who did not appear, it certainly would have been binding upon Hamlin as well as Parker, since Hamlin, on being made a plaintiff, expressly stipulated that, the cause should be considered as if be had been one of the original plaintiffs; that Parker’s pleadings should be considered as his; and that the pleadings of the defendant’s-should apply equally to him. If Parker’s argument in this connection be sound, it would necessarily follow that if- every bondholder of this mortgage had intervened, and a cross-bill had been filed against them all, praying a cancellation of the entire mortgage, our jurisdiction to review-a dismissal of this bill could not be" sustained as to any of such bondholders whose decrees were not more than five thousand dollars, notwithstanding it would be sustained as to others whose decrees were larger. The result would be that the land might be sold for the benefit of the larger bondholders, and freed'from the lien of the smaller.

Where several plaintiffs claim under the same title, and the determination of the cause necessarily involves the validity of that title, this court has jurisdiction- as to all such plaintiffs, though the individual claims' of none of them exceed five thousand dollars. Thus in Shields v. Thomas, 17 How. 3, 4, where a bill was filed by several.distributees of ah estate, to compel the payment of money alleged to be due them, and a decr.ee was rendered in their favor, it was held-that this court-had jurisdiction-over an appeal,-although the amount payable tp each individual was less than two-thousand dollars. It was *52 Held, that $ie matter in controversy was the amount due- the representatives of the deceased collectively; and not the partic: ular sum to which each was entitled, when the amount was distributed among them. Said the court: “ They all. claimed under one and the same title.' They had a common aüd-undi-vided interest in the .claim; and it was perfectly.immaterial to the appellant how if was-to be shared among them.” The case of Rodd v. Heartt, 17 Wall. 354, is still more nearly, analogous. In this case, which ivas in admiralty, a fund exceeding the jurisdictional amount paid into the registry'of the court was claimed on the one hand by several creditors secured by one mortgage, and on the other by a number of mariners and material men. A decree having been made adverse" to the mortgagees, ah appeal was taken by them to this court, and,it’ was held that although no one of the Claims under the mortgage equalled the jurisdictional- amount, yet as the claim of the appellants, which was disallowed, exceeded that sum, an appeal would lie. In The Connemara, 103 U. S. 754, it was held that where salvors united in a claim.for a-single 'salvage service, jointly rendered by them, the owner of the property was entitled to an appeal where the sum decreed exceeded $5000, though in the division among the several parties sharing in the recovery several were awarded less than $5000. In-line with these cases are those of Davies v. Corbin, 112 U. S. 36, and Handley v. Stutz, 137 U. S. 366.

The true distinction is between cases in which there are several plaintiffs interested collectively under a common title, and those wherein the matters in dispute a/e separate and distinct, and. are joined in one suit for convenience or economy. • Of the latter class are those relied upon by the plaintiff Parker in this case, and his motion to' dismiss must, therefore, be denied. Indeed the cross-bill to set aside the whole mortgage as to these lands is sufficient of itself to remove all difficulty with regard to our- jurisdiction.

(2) The case upon the. merits depends upon the question whether the mortgage of 1870 should be construed to cover a land grant made by Congress'the following year to the Patón. 'Rouge Company, in aid of the construction of its road. To, *53 answer this question, satisfactorily it is necessary to consider the power of this company under its charter, and the manner in which it attempted to exercise this power.

The act of 1869 of the legislature of Louisiana, incorporating the Baton Rouge Company, authorized it (sec. 13) to obtain from any parish or other municipality any rights, privileges or franchises that such municipality might choose to grant in reference to the construction of the road : and by section 14, it was authorized to borrow money. or to purchase property for the purpose of constructing the road, to issue its corporate bonds, and, to secure the payment of such bonds, to mortgage its road, etc. By section 15, provision was made for a second mortgage guaranteed by the State, and for bonds to be issued and made payable to the State or bearer. By section 16, the - first mortgage that should be given was declared to be a prior lien upon the railroad within the State, including all the “ real and personal estate within the State of Louisiana, appurtenant to,-or necessary for the operation of said main line of railroad, owned by'the company at the date of said mortgage, or which may be acquired by it thereafter; arid upon the corporate franchises and privileges of said company, granted by the. State of Louisiana, relative to the construction, operation and use of said main line of railroad within the State of Louisiana,” etc.. The mortgage did not differ materially frorii this act, though its description of property covered by it is still more explicit, and is as follows : “ About five hundred and one miles of railroad within the said State of Louisiana, together with the right of-way, road-bed, rails, depots, stations, shops, buildings, machinery, tools, engines, cars, tenders and other rolling stock; also all the real arid personal estate within the State of Louisiana owned by the said company at the date- of this mortgage, or which may be acquired by it thereafter, appurtenant to, or necessary for the operation of said main line of said railroad 1 or any of said branches, connected with the said main line, or to be connected therewith’; also all other ..property,.real, and personal, of every kind and description whatsoever and wher-: ever situated in the State of Louisiana which.is now owned or which shall.hereafter be' acquired by the said' company, and c *54 which shall be appurtenant to ,or necessary or used for the operation of said main line of railroad, or of any of said branches ; also the . tenements, hereditaments and appurte-üánces thereunto belonging, and all of the estate, right, title and interest, legal and equitable, of the said company and its successors and assigns therein, together with the corporate franchises and privileges of said company at any time granted .or to be granted by the State of Louisiana relative to the construction, operation and use of said railroad within said State.” The bonds issued under this mortgage contained a similar description of the property, the latter clause of such description, however, purporting to include “ the corporate franchises and privileges of said company granted by the'State of Louisiana or by act of Congress, relative to the construction,” etc- How these words, “ or by act of Congress,” came to be inserted in the bonds does not appear; it may have been an oversight, or the company may have supposed that the land grant would be acquired and that the insertion of these words would impart additional currency to the bonds. It is not material, however, to determine why of how this was done, since neither, the act of the legislature nor the mortgage itself assumed in terms to cover anything granted by the act of Congress.

The language of the act of the legislature and' of the mortgage itself restricts its lien to real and personal property situated in the State of Louisiana, then owned or which should thereafter be acquired, and which should be appurtenant to, or necessary, dr used for the operation of the main line of said road, or any of its branches. The succeeding clause, which includes tenements, hereditaments and appurtenances thereunto belonging, etc., was manifestly not intended as an expansion of the'|prior clause,-arrd for the purposes of this case may be treated as superfluous.' No argument is needed to show that a land grant is not necessary to- the operation of a railroad ; it may. be a 'necessary aid in the construction, of a road, but it is certainly not necessary in its operation. Plaintiff’s contention, then, if supportable at all, must be upon the theory that the land grant was appurtenant to the road, not necessa *55 rily to its operation, but to the road itself. The word “ appurtenant,” as ordinarily defined, is that which belongs to or is connected with something else to which it is subordinate or less worthy, and with which it passes as an .incident, such as an easement or servitude to land; the tackle, apparel, rigging and furniture-to a ship; a fight of common to a. pasture ; or a bí¡,rn, garden or orchard to a house or messuage.- In a strict legal sense it is said that land can never be appurtenant to land, Jackson v. Hathaway, 15 Johns. 447, 454; Leonard v. White, 7 Mass. 6; Woodhull v. Rosenthal, 61 N. Y. 382; but it was evidently contemplated by this mortgage that real as well as personal property subsequently acquired, such as land for stations, machine shops or other purposes immediately connected with the road, should pass under the lien of the mortgage. Property, however, not connected with what is ordinarily termed the plant, or not forming a part of the organic structure of the road, is never treated as appurtenant to it. Thus in Humphreys v. McKissock, 140 U. S. 304, decided at the last term of this court, it was held that a railroad company joining in .the construction of an elevator upon land not belonging to it, and situated at some distance from its road, did not by its ownership of stock in the elevator company acquire such an interest in it as would pass as an appurtenance under the mortgage of the road, as constructed or to be constructed, and the “ appurtenances thereunto belonging.” The court went further, and held that the elevator itself, if owned by the^ company, would not be appurtenant to its road. In line with this are the earlier cases of Harris v. Elliott, 10 Pet. 25, holding that the soil and freehold of a street' did not pass as appurtenant to a lot of land fronting upon such street. So in Linthicum v. Ray, 9 Wall. 241, it was said that the right to use a wharf would not pass as appurtenant to a lot, as it was not in any way connected with the. .enjoyment or use of the lot, and a right not so connected -could not be annexed as an incident to land so as to become appurtenant to it. In Smith v. McCullough, 104 U. S. 25, a mortgage executed by a railroad company upon'its then and thereafter'to be acquired property contained a specific description of such property, and was *56 held not to cover municipal bonds issued, to it m building the road, which were not embraced in such, description. And in Bank v. Tennessee, 104 U. S. 493, where a bank was required’ by its charter to pay a certain tax in lieu of all other taxes, and was authorized to purchase and hold a lot of ground for its’ use “ a§ a place of business,” and hold such real property as might be conveyed to it to secure its debts, it was held that the immunity from taxation extended only to sd much of the building as was required by the actual needs of the bank in carrying on its business. See also Tucker v. Ferguson, 22 Wall. 527.

Analogous cases in the state courts-are numerous. Thus in Ravish v. Wheeler, 22 N. Y. 494, it was held that canal boats purchased with the funds of a railroad company, and used and run by it in connection with its railroad, but beyond its terminus, were not covered, by a mortgage of its engines, cars, etc,, “ and all other personal property in any way belonging or appertaining- to the railroad of said company.” So in Boston & New York Air Line Railroad v. Coffin, 50 Connecticut, 150, the property mortgaged by the- railroad company was described very nearly in the terms employed in the mortgage under consideration, and it was’held that lands purchased by the company outside of the lay-out of the road, and not needed for its use or construction, were not covered by the mortgage. It was said in the opinion, that “ lands purchased and sold at a profit, although the profit might .be expended in the construction of the road, were never intended to be embraced by the phrase, ‘acquired by the company for the purposes’of the railroad.’” In Mississippi Valley Co. v. Chicago, St. Louis & New Orleans Railroad, 58 Mississippi, 846, a railroad mortgage covering property thereafter'to be acquired was confined to such as was appurtenant to or necessary for building or operating the road,- and carrying out the purposes for which it was created, and was held not to include, a hotel and brick storehouse, some "vacant town lots and a farm of three hundred. acres; the hotel being used- as a railroad eating-house, and-the other property being rented out for the several "purposes for. which it was adapted. In Meyer *57 v. Johnston, 53 Alabama, 237, S. C. 64 Alabama, 603, a mortgage of a railroad and “all other property now owned, and which may be hereafter owned by the railroad company,” was held not to cover a land grant of the United States made by an act of Congress subsequently passed. Other cases to. the same purport are: Shamokin Valley Railroad Co. v. Livermore, 47 Penn. St. 465; Dinsmore v. Racine &c. Railroad Company, 12 Wisconsin, 725; Farmers' Loan, &c. Company v. Commercial Bank, 11 Wisconsin, 207; S. C. 15 Wisconsin, 424; Morgan v. Donovan, 58 Alabama, 241; Walsh v. Barton, 24 Ohio. St. 28; Calhoun v. Memphis & Paducah Railroad, 2 Flippin, 442; Seymour v. Canandaigua & Niagara Falls Railroad, 25 Barb. 284.

A consideration of the circumstances attending and follQwing the execution of this mortgage strengthens the inference that we have' drawn from it, that the land grant' was ■ not intended to be included. There is no allegátion in the bill that the parties to this mortgage expected, or had Any reason to expect that the land grant would be made ; and had it been intended to include so important an.item, it is scarcely ppssible that the mortgagor would have left such intention to be inferred from the indefinite and ambiguous, language, of this instrument, Nor is there any evidence that, after the act of Congress was passed, the line of the road was ever definitely fixed, as contemplated by section 9 of the act of March 3,1871, 16 Stat. c. 122, 573, 576, although it had filed a map designating the general route of the road puráuant to sections 12 and 22, and obtained an order from the Secretary of the Interior withdrawing from entry and sale the ■ odd-numbered sections of land within the grant and indemnity limits. ' As the grant was, by section 9, of lands not' sold, reserved or otherwise disposed of at the time -the route of the road was definitely fixed, it is settled in this court that the title to any'.particular lands would not pass until the line was so located, because until that time it could not be definitely ascertained what lands had been otherwise disposed of Van Wyck v. Knevals, 106 U. S. 360; Kansas Pacific Railway v. Dunmeyer, 113 U. S. 629; Sioux City Land Co. v. Griffey, ante, 32. As to lands *58 within the indemnity limits, it has always been held that no title is acquired--until the specific parcels have been selected by the grantee, and approved by the Secretary of the Interior. Grinnell v. Railroad Company, 103 U. S. 739; Kansas Pacific Railroad v. Atchison, Topeka &c. Railroad, 112 U. S. 414, 421; St. Paul &c. Railroad v. Winona & St. Peter Railroad, 112 U. S., 720; Barney v. Winona & St. Peter Railroad, 117 U. S. 228; United States v. Missouri &c. Railway, 141 U. S. 358, 375; St. Paul &c. Railroad v. Northern Pacific, 139 U. S. 1. A definite location of this line was subsequently made by the Pacific Company; but there is no evidence that such location coincided with the general route designated by the Baton Eouge Company, and as no patents were ever issued for the lands earned by the construction of the road until March, 1885, when they were issued to the Pacific Company as assignee of the Baton Eouge Company, it is difficult to see what lands were ever “ acquired ” by the latter company, to which this mortgage would attach:

Not only this, but there is no allegation or evidence that the Baton Eouge Company paid the cost of surveying, selecting and conveying these lands, as required by the act of July-31, 1876, 19 Stat. c. 246, 102, 121, as a preliminary to their conveyance. New Orleans Pacific Railway v. United States, 124 U. S. 124; Deseret Salt Co. v. Tarpey, 142 U. S. 241. Nor is there any evidence to show that the Baton Eouge Company ever built any of its line of road or did anything to earn or acquire the title to any part of its land grant.

(3) The decrees in this case were also fatally defective in ordering all the lands assumed to be covered by- this mortgage to be sold, free from all liens, mortgages and incumbrances, .to satisfy a claim of $2400 in one case, and $6000'in ■ another, without making .provision for other bondholders, subsequent mortgagees, or other creditors of the road. Assuming for the purposes of this case that,-under the peculiar terms of this mortgage, these, bondholders had the right to file this bill without calling, upon the trustee to act — a point upon which we express no opinion — they had no right- to a decree for their exclusive-benefit. If a single bondholder has any right *59 at all to institute proceedings, he is bound to act for all standing in a similar position,'and .not onty to permit other bondholders to intervene, but to see that their rights are protected in the final decree. Upon this principle it was held by this court, in Pennock v. Coe, 23 How. 117, that a bondholder cannot, by getting a judgment at law, be permitted to sell a portion of the property devoted to the common security, as this would disturb the pro rata distribution amon|>- the bondholders to which they are equitably entitled. “ These bondholders,” .said Mr. Justice Nelson, “have a common interest in this security, and are all equally entitled to the benefit of it; and in case of a deficiency of the fund to satisfy the whole of the debt, in equity, a distribution is made among the holder^ pro rata. ... To permit, therefore, one of the bondholders under the second mortgage to proceed at law in the collection of his debt upon execution would not only disturb the pro rata distribution in case of a deficiency, ánd give him an inequitable preference over his associates, but also have the effect to prejudice the superior equity óf the bondholders under the first mortgage, which possesses the prior lien.” Jones on Railroad Securities, sections 392, 393, 434; Fish v. N. Y. Water-Proof Paper Co., 29 N. J. Eq. 16; Martin v. Mobile & Ohio R. R. Co., 7 Bush, 116.

In Railroad Company v. Orr, 18 Wall. 471, 475, a bill was filed by a bondholder, on behalf of himself and all others, against' a county and a railroad company for the foreclosure of a mortgage given by the railroad company to secure the redemption of certain bonds issued by the county, and for a sale of the mortgaged property. The railroad company demurred for want of proper parties. It was held that the other bondholders should be parties to the suit, and, in delivering the opinion of the court, Mr. Justice• Hunt observed: “It is the interest of every bondholder to diminish the debt of-every other bondholder. In so far as he succeeds in doing that, he adds to his own security. Each holder, therefore, should be present,, both that he may defend his own claims and that he may attack the other claims should there be just occasion for it. If upon a fair adjustment of the amount of the debts there *60 should be a deficiency in the security,, real or apprehended, every one.interested should have notice in advance of the time, place and mode of sale, that he may make timely arrangements to secure a sale of the property at its full value.”.

In the view we have taken of the case it is unnecessary to consider the other points made by the defence. We are satisfied, both from the words of the mortgage itself, and from the circumstances attending its execution, that it should not be construed to include the land grant subsequently made to this company.

The decrees of the court below must be

Reversed, and the case remanded with instructions to dismiss the bills of Partner and Hamlin, and for further proceed* i/ngs in conformity with this opinion.