ZOOLOGY. 
31 
60. PTYCHOCHEILUS GRANDIS, Grd. 
General Report upon Fishes. 
Body very much elongated, subfusiform. Head well developed and elongated also. Mouth 
deeply cleft; posterior extremity of the maxillary extending to a vertical line intersecting the 
pupil. Eye small. Isthmus very narrow. Fins well developed. Scales moderate. Upper 
regions olivaceous ; flanks and belly silvery or golden. 
Sold under the name of “Salmon Trout” at San Francisco. 
List of specimens. 
1 
Catalogue Number of 
number, specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Original 
number. 
Nature of 
specimens. 
1 
204 | 1 
Adult. 
San Francisco, California . 
1855 
Dr. Newberry_ 
Alcoholic. 
XVII. FAMILY SALMONIDiE. 
61. SALMO SCOULERI, Rich. 
General Report upon Fishes. 
A head is all we have seen of this species, hence it was not deemed expedient to formulate its 
characters upon such scanty materials. It is called “ Ekewan” by the natives of the Columbia 
river. 
List of specimens. 
Catalogue 
Number of 
Sex and 
Locality. 
When 
Collected by— 
Original 
Nature of 
number. 
specimens. 
age. 
collected. 
number. 
specimens. 
613 
i 
Adult. 
Des Chutes river_ 
1855 
Mr. Anderson . _ 
Dried. 
62. FARIO AURORA, Grd. 
Plate LXYIII.— General Report upon Fishes. 
Body fusiform, compressed. Head forming the fourth of the length, caudal fin excluded. 
Upper jaw longest. Branch of maxillary gently undulating ; its posterior extremity extending 
to a vertical line passing considerably behind the entire orbit. Anterior margin of dorsal fin 
equidistant between the tip of the snout and the base of the caudal. Ground color greyish 
silvery above ; sides and belly yellowish orange ; dorsal fin spotted. 
List of specimens. 
Catalogue 
number. 
Number of 
specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Original 
number. 
Nature of 
specimens. 
583 
2 
Adult. 
Astoria, Oregon_ 
1855 
Lieut. Trowbridge... 
Alcoholic. 
