Jordan and Evermann. — Fishes of North America. 2197 



I. Deep-bodied Specimens {Dormitator latifrons, Eicliardsou). 



Head 3 ; depth 3. D. VII-I, 8 ; A. I, 8 or 9 ; scales 30 to 33 ; eye 4f to 5i 

 iubead; snout 3:^: to 3i in head; interorbital width 2* iu head; ventrals 

 reaching f the distance to vent, 1^ to if in head ; higliest anal ray If to 2 

 in head. Body short, robust, the back elevated; head broad and flat 

 above, the anterior profile from first dorsal spine to ti^i of snout oblique, 

 descending abrujitly; mouth oblique, maxillary reaching anterior margin 

 of orbit; lower jaw little projecting. Color greenish, lighter below; 

 body with cross bars of dark brown; tins dusky, the dorsals distinctly 

 blotched with darker; a dark cross bar at base of pectorals; a dark-blue 

 humeral blotch, becoming blackish in spirits; 3 or 4 dark cross bands 

 extending from eye and below eye to posterior«margin of preopercle; a 

 dark band extending from below eye to below tip of maxillary. Two 

 sjiecimens from Eiu Presidio, Mazatlan. 



II. Common Form, at Mazatlan. 



Head ^ ; depth 3t to 3|. D. YII-I, 7 ; A. I, 8 ; scales 33 or 34 ; eye 4^ to 

 4| in head; snout 3i to 4 in head; interorbital width 3 to 3^ in head; 

 ventrals reaching about f the distance to vent, 11 in head; highest anal 

 ray 1| to 2 in head. Body short, compressed, the back little elevated; 

 head rather broad and slightly convex above, the anterior profile from 

 first dorsal spine to tip of snout slightly convex; mouth oblique, maxil- 

 lary reaching anterior margin of orbit; lower jaw little projecting. Color 

 olive brown, with cross bars of darker brown, lighter below ; fins dusky, 

 the dorsals with about 3 darker cross bars; pectorals with a darker cross 

 bar at base; a distinct dark-brown humeral spot slightly larger than eye; 

 3 or 4 dark cross bands extending from eye and below eye to posterior mar- 

 gin of preopercle; a distinct dark-brown bar extending from below eye 

 to below tip of maxillary; a dark lateral band extending from base of 

 pectoral to base of caudal. Many specimens from Mazatlan. 



III. Large-headed Form. 



Head 3^ ; depth 3i. D. VI-I, 8; A. I, 9; scales 32 or 33; eye 4^ in head; 

 snout 3i^ in head; interorbital width 2| in head; ventrals reaching } the 

 distance to vent, 1^ iu head ; highest anal ray 2 in head. Boily mod- 

 erately compressed, the back little elevated; head very broad above, 

 convex ; the anterior profile from first dorsal spine to tip of snout oblique, 

 gently descending; mouth obliciue, maxillary reaching anterior margin 

 of orbit; lower jaw little projecting. Color brownish, middle of back 

 darker, lighter below ; body with darker cross bands ; ventrals yellow- 

 ish; other fins dusky; dorsals with darker blotches; a dark crossbar at 

 base of pectoral; a dark humeral spot; four cross bands extending 

 from eye and below eye to posterior margin of preopercle; a dark band 

 extending from below eye to below top of maxillary; a dark lateral 

 band extending from base of pectoral to base of caudal. One specimen, 

 from near Mazatlan. (maculatus, spotted,) 



