50 ZOOLOGY. 



16. SEBASTES ROSACEUS, Grd. 

 GEN. KEP. 78. PLATE XXI. 



SPEC. CHAR. Upper surface of head provided with horizontal and acute ridges. Posterior extremity of maxillary extending 

 to a vertical line intersecting the pupil. Origin of dorsal fin situated in advance of the base of the pectorals. Uniform reddish, 

 lighter beneath than above. 



343. San Diego, California. Lieutenant W. P. Trowbridge. 



17. AMBLODON GRUNNIENS, Raf in .Buffalo Perch, Grunting Perch, &c. 



GEN. KEP. 96. PLATE XXIII. 



SPEC. CHAR. Profile of the head depressed on the nape. Snout thick, blunt, and short. Posterior extremity of maxillary 

 extending to a vertical line intersecting the anterior rim of the pupil. Extremities of pectorals almost even with the tips of 

 ventrals, or else projecting slightly beyond them. First anal spine diminutive; second one stout and well developed. Caudal 

 fin posteriorly convex. Color bluish-gray, lighter beneath than above. Fins grayish-olive ; anal maculated. 



621. Arkansas river, near Fort Smith. 624. Near mouth of Poteau river. Dr. George G. 

 Shumard. 



18. ATHERINOPSIS CALIFORNIENSIS, Grd .California &quot; Smelt.&quot; 

 GEN. REP. 103. PLATE XXIIc. 



SPEC. CHAR. Head small and sub-quadrangularly 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- 



353. San Francisco, California. Dr. C. B. Kennerly. 



19. PORICHTHYS NOTATUS, Grd. 

 GEN. REP. 134. PLATE XXV. 



SPEC. CHAR. Upper surface of head quite flat. An acute preopercular spine stretching across the opercle. Posterior 

 extremity of inaxillar bone extending to a vertical line drawn posteriorly to the orbit. Four series of pores on either side of the 

 body. A sub-gular and an abdominal series, as also several of these on the sides of the head. Upper regions dark bluish violet ; 

 sides and belly silvery grey. A sub-crescentic vitta beneath the eye. 



520. San Francisco, California. Dr. C. B. Kennerly. 



20. MORRHUA PROXIMA, Grd. 

 GEN. REP. 142. PLATE XLa, FIGS. 58. 



SPEC. CHAR. Snout sub-conical; thickish; upper jaw protruding beyond the lower one. Posterior extremity of maxillar 

 bone extending to a vertical line which would intersect the pupil. Dorsal and anal fins all distinct from one another. Anterior 

 anal longer than the second dorsal. Caudal fin posteriorly sub-truncated. Yellowish ash or brown above; sides and belly 

 silvery white. 



524. San Francisco, California. Dr. C. B. Kennerly. 



21. PAROPHRYS YETULUS, Grd. 

 GEN. REP. 153. 



SPEC. CHAR. Body quite elongated and sub-elliptical; peduncle of the tail slender. Posterior extremity of maxillary 

 extending to a vertical line drawn inwardly to the anterior rim of the orbit. Origin of anal fin placed posteriorly to the base of 

 the pectorals. Dorsal and anal fins nearly even posteriorly. Scales minute ; lateral line very conspicuous. Color of body and 

 head reddish ash ; fins olivaceous, maculated. 



699. San Francisco, California. Dr. C. B. Kennerly. 



