362 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



ventrals as long as from suoiit to edge of preopercle. Belly naked aa* 

 teriorly ; the scales small, cycloid ; lateral line complete. 



Head 3^ in length ; depth 4^. D. XIX, 9 ; A. II, 19 ; Lat. 1. 53. 



Color olivaceous, darker above, much mottled and speckled with clear 

 dark brown ; sides with five distinct irregular dark brown bars, extend- 

 ing from base of dorsal to level of lower margin of pectoral, their lower 

 «dges connected by a vague undulating longitudinal band ', a blackish 

 blotch on occipital region, and black blotches on cheeks, opercles, and 

 before base of i^ectoral ; opercle with several narrow pinkish streaks ; 

 head below with narrow streaks formed by series of dark brown spots ; 

 an interrupted brown bar across lower jaw ; belly unspotted; ventrals 

 pale; other fins all barred with narrow series of dark brown dots; anal 

 somewhat diisky. 



Clinus zonifer is the most abundant denizen of the rock-pools around 

 Mazatlau, with the single exception of Gobius soporator^ and reaches a 

 length of about three inches. This is the species mentioned by Mr. 

 Lockington (Proc. Acad. Nat. Sci. Philad. 1881, 114) as Clinus phillipi 

 Steiud., from the Gulf of California. 



29. Tripterygiuin carminale, sp. uov. (28118.) 



Body rather slender, heavy forwards, rapidly tapering behind. Head 

 short, the snout low and rather jiointed, the profile straight and steep 

 from the snout to opposite the front of the eyes, there forming an angle 

 and extending backwards nearly in a straight line. Eyes very large, 

 longer than snout, 3 in head, high up and close together. Mouth wide, 

 the jaws subequal, the maxillary extending backwards to front of pupil. 

 Teeth moderate, essentially as in species of Clinus, those of the outer 

 series enlarged. Xo evident cirri on the head. Scales on body of mod- 

 erate size, ctenoid, the edges strongly pectinate ; belly naked; lateral 

 line extending to opposite last ray of soft dorsal, ascending anteriorly 

 but without convex curve. Dorsals three, the first and second con- 

 tiguous, the second and third well separated; first dorsal of three 

 spines, the first of which is the highest and about as long as diameter 

 of eye ; the second dorsal of higher and slenderer spines, the anterior 

 the highest, the longest about equaling greatest depth of body ; soft 

 dorsal shorter and a little lower than second spinous dorsal. Caudal 

 small. Anal long, beginning nearly under middle of spinous dorsal. 

 Pectoral long, longer than head, reaching much past front of anal. 

 Ventral three-fourths length of head. 



Head 3| in length ; depth about 5i. D. III-XII, 9 ; A. II, 17 ; Lat. 

 1. 40. 



Color light brownish, with four dark brown cross-bars on sides, about 

 as wide as the interspaces, which are marked with more or less reddish 

 and with some lighter spots ; belly pale ; space behind pectoral dark ; 

 a dark bar downward and one forward from eye. First dorsal mottled 

 with darker, second and third dorsals nearly plain ; a narrow dark bar 



