In his brief filed in this case the district attorney concedes that, if it is necessary that the indictment should negative the proviso
“That no person, by force, threats, intimidation, or by any fencing or inclosing, or any other unlawful means, shall prevent or obstruct, or shall combine or confederate with others to prevent or obstruct, any person from peaceably entering upon or establishing a settlement or residence on any tract of. public land subject to settlement or entry under the public land laws of the United States, or shall prevent or obstruct free passage or transit over or through the public lands: provided, this section shall not be held to affect tlio right or title of persons who have gone upon, improved, or occupied said lands under the land laws of the United States,' claiming title thereto, in good faith.”
The real question is whether the proviso is so Incorporated with the substance of the clause deiining the offense as' to constitute a material part of the description of the acts which constitute it. If it is, it is necessary that the indictment should negative the proviso; otherwise the latter is matter of defense to be shown by the defendant. U. S. v. Cook,
