2 
APPENDIX TO THE REPORT ON FISHES. 
fin was very regular. The anterior point of insertion of said fin was but sliglitly in front of a point 
at the middle of a line drawn from the tip of the nose to the insertion of the tail. Colors ; ground 
color of back pale brown tinged with red ; spotted above the lateral line with small spots of black, 
which were but sparingly distributed anterior to the dorsal fin ; a few spots of the same color were 
also found on the opercules and on top of the head. In shape the spots anterior to the dorsal 
fin were nearly round and quite small ; those in the vicinity of the same fin — but further back — 
were stellate, but slightly larger, and those posterior to a vertical line drawn from the anus were 
much larger, more numerous, and quite irregular in form, somewhat resembling those of ^S. 
stellatus. Anterior to the anus there were scarcely any spots helow the lateral line except near 
the head, where there were about half a dozen ; posteriorly, however, they were equally nume- 
rous both above and below. The general style of the spots, their size and distribution in 
individuals of this species are well displayed in the figure given in Vol. X., Plate LXXIII. 
Figs. 1-1." Indeed in the markings, spots, &c., of this species I noticed great uniformity in all the 
specimens observed. The color of the dorsal, adipose, and caudal fins was the same as that of the 
back — but thickly studded with oval and roundish spots of black. The prevailing reddish brown 
color of the back extended to the nose, but was of a slightly different shade on the head. From the 
median line of the back it extended down the sides, filling up two-thirds of the space to the lateral line. 
The silvery white of the belly was separated from the prevailing color of the back by a faint golden 
band of irregular width [in some specimens this extends from the iris to the base of the tail]. The lateral 
line was distinct. Irides golden bronze, with several roundish spots of black upon them of the size of 
a pin's head. The under fins were of a pale red, their external rays of a deeper color. Patches of 
bright Vermillion, about one-eighth of an inch in width, were found extending back from the chin 
to a point opposite the middle of the opercules. The chin was white like the belly. [The Ver- 
million bands above spoken of exist normally in all the specimens seen of this species, and are 
jDresent also in other species, for example, the S. stellatus of Oregon.] The tail was but slightly 
emarginate. Angle of mouth about opposite (below) the posterior border of the pupil. 
The general hues of the Fort Bridger trout when freshly taken were silvery, glistening with bright 
reflections. The scales are somewhat larger than those of S. fontlnalis. The j^oint of greatest girth 
being reached by the tij^s of pectoral fins when stroked back. Upon inquiry at Fort Bridger, we 
learned that seventeen or eighteen inches might be considered the maximum size in those waters, 
and out of forty or fifty fish it is rare to find one over a foot in length. 
The species in the Timpanogos Eiver appeared, upon careful examination, to be identical with 
those of Black's Fork, but much larger. They retreat to the quiet and deep waters of Lake Utah, 
from whence they ascend the Timpanogos at certain seasons of the year. A friend there caught in 
August, 1859, one trout which weighed some five or six pounds (approximately), and was twenty- 
six inches in length. They are said to grow occasionally to thirty inches in length, and are an active 
fine fish, afibrding much sport to the fly-fisher, and a delicacy to the epicure. 
About the first of September last, we caught thi-ee trout from the same stream. Two of these were 
of good size, weighing from 1| to 2ilbs. respectively. They rose freely to large dark hackles, but 
refused gaudy or light colored flies. Owing to poor flies which had been in our possession for several 
years, — the whipping of the hooks having shrunk so that they were easily pulled off, we caught but 
these three out of many fish that jumped at them. 
* The tails are, however, more forked than in the figure. 
