“ Bearing in mind, then, that Snake river is a navigable stream, it is apparent, first, that on the admission of Idaho to statehood the ownership of the bed of the river on the Idaho side of the thread of the stream-the thread being the true boundary of the state-passed from the United States to the state, subject to the limitations just indicated, and, second, that the subsequent disposal by the former of the fractional subdivisions on the east bank carried with, it no right to the bed of the river, save as the law of Idaho may have attached such a right to private riparian ownership. ”

“ When land under navigable water passes to the riparian proprietor, along with the grant of the shore by the United States, it does not pass by force of the grant alone, because the United States does not own it, but it passes by force of the declaration of the state which does own it that it is attached to the shore.' United States v. ”

“ Rep. 579, is sufficiently distinguished by the following excerpt from the opinion: 'The islands are little more than rocks rising very slightly above the level of the water, and contain respectively a small fraction of an acre and a little more than an acre. ”