Jordan and Evcrmann. — Fishes of North America. 1503 



fromsuout to dorsal, little depressed above eye; snout a little longer than 

 eye ; mouth oblique, forming an angle of about 45 degrees ; premaxillary on 

 the level of the lower edge of pupil; maxillary not included under preor- 

 bital, reaching just past front of pupil; fifth dorsal spine highest, consid- 

 erably higher than the soft rays; gill rakers 6+11, stout and blunt, fewer 

 and stouter than in iTi/jjfrjjrosojwH. Color greenish above; sides silvery, 

 profusely covered with spots and blotches of light orange brown or cop- 

 pery red, these mostly in the form of iuterrupted vertical bars; caudal, 

 anal, and ventral fins bright reddish, without black spots or markings. 

 Length a foot. Coast of California, San Francisco to San Diego; not 

 V)ry abundant. {poSovspoi, rosy.) 



Holconoius rhodoterus, AoASSiz, Amer. Journ. Sci. Arts, May, 1854,368, San Francisco; 



Alexander Agassiz, Proc. Boat. Soc. Nat. Hist, vui, 1861, 131; Jordan & Gilbert, 



Synopsis, 592; Eigenmann & Ulrey, I. c, 388. 

 Cymatogaster pulchellus, Gibbons, Proc. Ac. Nat. Sci. Phila., July, 1854, 123, San Francisco. 

 Gymatogaster larkinsit, Gibbons, Proc. Ac. Nat. Sci. Pliila. 1854, 123, San Francisco. 

 Cymatogaster ellipticus. Gibbons, Proc. Ac. Nat. Sci. Pliila. 1854, 124, San Francisco. 

 Ditrema rhodoterum, Guntheb, Cat., iv, 250. 



6o6. AMPHISTICHUS, Agassiz. 



Amphistiehtis, Agassiz, Amer. Joarn. Sci. Arts, May, 1854, 367 (argenteus). 

 Mytilophagus, Gibbons, Proc. Ac. Nat. Sci. Pliila., July, 1854, 125 {fasciatus=argenteus). 



Body ovate or oblong, compressed; mouth moderate, oblique, with slen- 

 der conical teeth in 2 series in each jaAv, the outer series longer; lips 

 thin, the lower with a broad freuum; gill rakers few, stout and blunt; 

 pharyngeals normal, their teeth small, conic, a few of the last 2 series 

 larger and molar; fins not very high, the spines slender; scales small; 

 vertebrte 13 -[-16=29; the anal basis below 10 vertebra^. Anal in male 

 with 1 of its anterior rays transformed into a triangular plate ; a decided 

 angle at this point, some of the rays before it with the skin thickened. 

 One species. (a7<0z, double; (jr/^o?, series.) 



1889. AMPHISTICHUS ARGENTEUS, Agassiz. 

 (Surf-fish.) 



Head 3i ; depth 2^. D. X, 24 ; A. Ill, 26 ; lateral line 65 to 67 ; vertebra 

 134-16=29. Body ovate, the dorsal profile much more curved than ven- 

 tral; interorbital region scarcely depressed; mouth comparatively large, 

 little oblique, the maxillary being below the level of the rather small eye, 

 lower jaw included. Head bluut and deep; snout longer than the eye; 

 maxillary reaching front of pupil, not included under preorbital; lips 

 rather thin, the lower with a freuum. Gill rakers few, rather short, stift", 

 S-fll; lower pharyngeals normal. Caudal peduncle short and stout; 

 pectorals reaching slightly jiast tips of ventrals, which reach to vent; 

 origin of ventral spine almost under posterior end of pectoral base; third 

 anal spine the longest, scarcely | as long as first rays; dorsal spines 

 strong, the fifth or sixth longest, shorter than soft rays ; pectorals slightly 

 falcate, nearly reaching tips of ventrals. Silvery; sides with narrow 

 vertical bars of a brassy olive color, alternating with vertical series of 



