. Bulletin of the Bureau of Fisheries. Fisheries; Fish culture. FISHES, LAHONTAN SYSTEM OF NEVADA AND NORTHEASTERN CALIFORNIA 79 Salmo regalis Snyder. Royal silver trout. Anglers' reports of the presence of a peculiar trout in Tahoe and Pyramid Lakes, with more or less accurate descriptions of one which seemed to differ from the more common Tahoe trout, led to the dis- covery of this species. By the local fishermen this trout is known as the greenback or grayback. It is distinguished by the absence of spots, by the blue or green dorsal surface, the silvery sides and white belly, and the loose
. Bulletin of the Bureau of Fisheries. Fisheries; Fish culture. FISHES, LAHONTAN SYSTEM OF NEVADA AND NORTHEASTERN CALIFORNIA 79 Salmo regalis Snyder. Royal silver trout. Anglers' reports of the presence of a peculiar trout in Tahoe and Pyramid Lakes, with more or less accurate descriptions of one which seemed to differ from the more common Tahoe trout, led to the dis- covery of this species. By the local fishermen this trout is known as the greenback or grayback. It is distinguished by the absence of spots, by the blue or green dorsal surface, the silvery sides and white belly, and the loose scales which, when the fish is caught, adhere to the fingers like bits of foil. A careful examination of many trout from Lake Tahoe and the questioning of anglers and market fishermen brought no more important results than the finding (June 20, 1911) by Mr. G. E. West of a io>2-inch king salmon, O. tschawytscha, apparently the first to be observed of some that had been intro- duced. Later, specimens were secured by Messrs. Ralph Lowe and W. P. Lyon, of San Jose, and F. K. Pomeroy, of Palo Alto. These were caught in deep water near Brockway, on the east side of Lake Tahoe, and served as a basis for the description â of the species. S. regalis is distinguished from S. henshawi by color and in having a shorter head, a shorter and more rounded snout, a smaller maxillary, larger scales, narrower and more pointed fins, perfectly smooth basi- branchials which are without teeth, and fewer gillrakers. A fresh specimen is of a beautiful deep steel blue on the dorsal surface, which in some lights is seen to be shaded with olive, the blue extending down-. Tic. i.âSalmo regalis. Type. Royal silver trout. ward on the sides to about the sixth row of scales above the lateral line, where it abruptly gives place to the most brilliant and highly burnished silver. The silver dulls ventrally, the chin, throat, and abdo- men being dead white. No dark spots appear except on the dorsal and caudal
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