ZOOLOGY. 15 



Called Rock Fish or Rock Cod at San Francisco, and sold under these names in the markets. 



List of specimens. 



17. SEBASTES FASCIATUS, Grd. 

 Plate XXII. — General Report upon Fishes. 



Upper surface of head provided with large spinous ridges ; posterior extremity of maxillary 

 extending beyond the pupil. Origin of dorsal fin situated in advance of the base of the pecto- 

 rals. Ground color greenish yellow or sulphur yellow, clouded with dark patches spotted with 

 whitish ; a dorsal fasciole of the ground color extends from the third or fourth dorsal spine to 

 the base of the caudal. 



Indiscriminately called Rock Fish or Rock Cod at San Francisco. 



List of specimens. 



18. SEBASTES AUEICULATUS, Grd. 



General Report upon Fishes. 



Upper surface of head provided with small horizontal and acute spines ; posterior extremity 

 of maxillary extending to a vertical line drawn posteriorly to the orbit. Origin of dorsal fin 

 situated in advance of the base of the pectorals. Blackish brown above, lighter beneath ; a 

 black spot upon the upper part of the opercle. 



Another Rock Fish or Rock Cod: all being very much esteemed. 



List of specimens. 



19. SEBASTES PAUCISPINIS, Ayres. 



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

 Head and body very much compressed ; former wedge shaped ; tip of lower jaw very promi- 

 nent ; spines of the upper surface of skull inconspicuous; posterior extremity of maxillary 



