ZOOLOGY 



17 



22. GASTEROSTEUS INOPINATUS, Grd. 

 General He-port 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, but less conspicuously below than above, and its extremity 

 terminating about evenly with the tips of the ossa innomlnata. Posterior margin of caudal 

 subcrescentic. 



Still another " Stickleback." 



List of specimens. 



VI. FAMILY SCIAENIDAE. 



23. LEIOSTOMUS LINEATUS, Ayres. 



Plate XXIK, 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 [ No. of 

 number. ; specimens. 



368 

 369 



Sex and 

 age. 



Adult. 

 Young 



Locality. 



San Francisco, Cal. 

 ...do 



When 

 collected. 



1855 

 1855 



Collected by- 



Original Nature of spe- 

 number. cimens. 



Dr. Ayres , 5 Alcoholic. 



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, 

 brown or silvery beneath. Fins olivaceous, unicolor. 

 So called Smelt by the San Franciscans. 

 3BB 



Greyish brown above ; light 



