34 
ZOOLOGY. 
List of specimens. 
Catalogue 
number. 
No. of 
specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Original 
number. 
Nature of speci¬ 
mens. 
G01 
2 
Adult. 
Des Chutes river, 0. T_ 
1855 
Dr. Newberry_ 
Alcoholic. 
69. ACIPENSER ACUTIROSTRIS, Ayres. 
Body subfusiform. Head slender and depressed ; snout tapering and acute. Eleven dorsal 
shields from the occiput to the anterior margin of the dorsal fin ; twenty-seven shields in the 
lateral series, and nine between the pectorals and the ventral fins. Greyish black above ; 
yellowish white beneath. 
List of specimens. 
Catalogue 
number. 
No. of 
specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Original 
number. 
Nature of speci¬ 
mens. 
614 
i 
Adult. 
San Francisco, Cal._ 
1855 
Dr. Newberry.. 
Alcoholic. 
10. ACIPENSER MEDIROSTRIS, Ayres. 
Body fusiform. Head stoutish ; snout rounded anteriorly, and abbreviated. Eleven dorsal 
shields from the occiput to the anterior margin of the dorsal fin ; thirty-seven shields in the 
lateral series, and nine between the pectorals and ventral fins. Reddish brown above ; yel¬ 
lowish beneath. 
List of specimens. 
Catalogue 
number. 
No. of 
specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Original 
umber. 
Nature of speci¬ 
mens. 
615 
i 
Adult. 
San Francisco, Cal. 
1855 
Dr. Newberry_ 
Alcoholic. 
