ZOOLOGY 
17 
22. GASTEROSTEUS INOPINATUS, Grd. 
General Report upon Fishes. 
Body partly plated ; peduncle of tail consequently not keeled. Dorsal spines three ; slender, 
and slightly serrated upon their edges ; insertion of anterior one taking place above the base of 
the pectorals. Insertion of ventrals placed immediately in advance of the second dorsal spine ; 
ventral spine serrated on both edges, hut less conspicuously below than above, and its extremity 
terminating about evenly with the tips of the ossa innominata. Posterior margin of caudal 
suhcrescentic. 
Still another “ Stickleback.” 
List of specimens. 
Catalogue 
number. 
No. of 
specimens. 
Sex and 
age. 
Locality. 
When 
collected. 
Collected by— 
Original 
number. 
Nature of spe¬ 
cimens. 
3S7 
24 
Adult. 
Presidio, Cal_ 
1853 
Lieut. Trowbridge.. . 
Alcoholic. 
VI. FAMILY SCIAENIDAE. 
23. LEIOSTOMUS LINEATUS, Ayres. 
Plate XXII&, figs. 1-4 .—General Report upon Fishes. 
Mouth large ; posterior extremity of maxillary extending to a vertical line intersecting the 
posterior rim of the pupil. Superior and posterior edge of the opercle terminating into two 
flat spines. Extremities of pectorals nearly even with the tips of the ventrals. Scales large. 
Greyish brown above ; greyish silvery beneath, with oblique waving lines of umber brown. 
The names of Corvina, Cognard , and Little Bass are given to this species by fishermen. 
List of specimens. 
Catalogue 
number. 
No. of 
specimens. 
.Sex and 
age. 
Locality. 
When 
collected. 
Collected by—- 
Original 
number. 
Nature of spe¬ 
cimens. 
368 
2 
Adult.. 
San Francisco, Cal.. 
1855 
Dr. Ayres_ 
5 
Alcoholic. 
369 
2 
Young . 
_do__ 
1855 
Dr. Newberry_ 
_do_ 
VII. FAMILY ATHERINIDAE. 
24. ATHERINOPSIS CALIFORNIENSIS, Grd. 
Plate XXIIc .—General Report upon Fishes. 
Head small and subquadrangularly pyramidal, constituting the sixth of the entire length. 
Base of anal fin much longer than that of the second dorsal. Greyish brown above ; light 
brown or silvery beneath. Fins olivaceous, unicolor. 
So called Smelt by the San Franciscans. 
3 BB 
