93. EMBIOTOCID.E DITREMA. 595 



Mouth but little oblique, the maxillary scarcely reaching orbit. Teeth 

 strong. S[)inous dorsal very lov\^, the hist spine highest, but much 

 shorter than the soft rays; soft dorsal and anal high. D. X or XI, 23; 

 A. Ill, 31; Lat. 1. 63; Vert. 15+ 19. L. 15 inches. Pacific coast of 

 the United States; everywhere very abundant. 



{Emhlntoca laterals Agassiz, Anier. Joum. Sci. Arts, 1854, 36(1 : Tamiotoca lateralis 

 Ali'x. Aj^assiz, Proc. Bost. Soc. Nat. Hist. 1861, 133: Embiotoca lineata, ornata, and 

 ptrniricabilis Giiartl, U. S. Pac. R. R. Surv. Fish.; Giinther, iv, '245.) 



936. I>. jacksoiii (Agassiz) Giiutber. — Surf-fish; Croaker; Black Perch. 



Brownish, tinged with green, blue, red, or yellowish; sides with about 

 10 faiiit vertical dusky bars; belly usually yellowish; head with blue 

 spots ; fins dusky, tinged with blue or red ; anal in males sometimes 

 red with a black patch, and the ventrals orange. Colors extremely 

 variable, the pattern of color not definite. Form ovate, rather thick, 

 the outlines convex. Mouth rather small. Dorsal spines low, much 

 lower than the soft rays; caudal peduncle thickisb, the fin not widely 

 forked. Scales on cheeks in 4 series. Head 3^ ; depth 2. D. IX or X, 

 20; A. Ill, 25; Lat. 1. 58. L. 1 foot. Pacific coast of the United States; 

 the most abundant of the larger species southward. 



{EmMotoca jaclcsoni Agassiz, Amer. Joum. Sci. Arts, 1853, 387, and 1854, 366: Em- 

 Vwtoca jacksonl Giranl, U. S. Pac. R. R. Surv. Fish. 168; Giinther, iv, 245: EmMotoca 

 cassidii and E. webhi Girard, U. S. Pac. R. R. Surv. Fish. 171, 173.) 

 aa. Caudal peduncle slender, the fin widely forked. (P/muoWow Girard.*) 

 h. A'^entral fins blackish at tip. 



9;i7. D. atripes Jordan & Gilbert. 



Light olivaceous above, pearly below ; scales above the axis of body 

 each with an orange spot at base, its outer margin tinged with blue, 

 these forming faint reddish streaks along the rows of scales; anal with 

 a dusky spot; ventrals broadly tipped with blackish; caudal not dark- 

 edged. Body elongate, tapering into a long and slender caudal pedun- 

 cle. Snout rather projecting. Head small. Mouth small, the maxil- 

 larj" not extending to opposite the eye. Teeth few and small. Eye as 

 long as snout, 3| in head. Cheeks with 3 rows of scales. Gill-rakers 

 longer than in related species, and pharyngeals stronger, with the teeth 

 more nearly paved. Highest dorsal spine shorter than the soft rays. 

 Pectorals long, reaching tip of ventrals. Caudal lobes equal. Head 

 3^; depth 2.J. D. X, 23; A. Ill, 29; Lat. I. 70. L. 10 inches. Mon- 

 terey Bay; locally abundant. 



(Jordan &, Gilbert, Proc. U. S. Nat. Mus. 1850, 320.) 



hh. "Ventral fins colorless. 



* Girard, Proc. Acad. Nat. Sci. Phila. 1854, 153: type Fhanerodon furcatns Grd. 

 (<pavEpoi, visible; odoov, tooth.) 



