32 



ZOOLOGY. 



63. FARIO ARGYREUS, Grd. 



Plate LXX. — General Report upon Fishes. , 



Body very much compressed, rather deep upon its middle region, and quite tapering posteriorly. 

 Head moderate, constituting the fifth of the entire length. Jaws equal. Maxillary slightly 

 curved ; its free extremity extending to a vertical line drawn posteriorly to the orbit. Anterior 

 margin of dorsal fin nearer the extremity of the snout than the insertion of the caudal fin. 

 Bluish grey above ; silvery along the middle of the flanks ; yellowish beneath. 



List of specimens. 



64. FARIO GAIRDNERI, Grd. 

 Plate LXXI, figs. 1-4. — General Report upon Fishes. 

 Body fusiform in profile, very compressed. Head comprised four times in the length, the 

 caudal fin excluded. Upper jaw longest ; maxillary curved, extending to a vertical line inter- 

 secting the posterior rim of the orbit. Anterior margin of dorsal fin equidistant between the 

 extremity of the snout and the base of the caudal. Caudal fin forked. Back silvery grey ; 

 sides silvery, and belly yellowish white. Body obsoletely spotted with black ; similar black 

 spots may be seen on the dorsal and caudal fins. 



List of specimens. 



65. FARIO STELLATUS, Grd. 

 Plate LXIX, figs. 5-8. — General Report upon Fishes. 



Body elongated and fusiform. Head well developed, contained four times and three-quarters 

 in the total length. Jaws equal. Maxillary gently curved, reaching a vertical line drawn 

 posteriorly to the orbit. Anterior margin of dorsal fin a little nearer to the extremity of the 

 snout than the insertion of the caudal. Back light olive ; belly light yellowish white ; head, 

 body, and fins, profusely spotted with black. 



The "salmon trout" of the Oregon settlers. 



List of specimens. 



