Family XXII. Gobiid/E. 229 



projecting downward on edge of preopercle; distance from origin of 

 dorsal to tip of snout 2 l/ i in the body. 



Color brownish; fins with dark spots and wavy lines; ventrals 

 dusky; two dark stripes behind orbit. Length 6 or 7 inches. 



217. Eleotris pictus Kner & Steindachner. Guavixa. 



Elcotris pictus Kner & Steindachner, Abh. Wiss. Wien, 1864, pi. 

 3, fig. 1 ; Rio Bayano, near Panama. 



Citlius cequideus Jordan & Gilbert, Proc. U. S. Nat. Mus., 1881, 

 461 ; Rio Presidio, near Mazatlan. 



Elcotris pictus Rutter, Proc. Cal. Acad. Sci., 1896, 265 ; fresh waters 

 at San Jose del Cabo, Lower California: Jordan & Evermann, 

 Bull. 47, U. S. Nat. Mus., 1898, 2201. 



Streams of the Pacific coast from Sonora to Panama. 



Head 3 to 3^; depth 6; D. vi-i, 7 or 8; A. 1, 7 or 8 ; scales 60. 

 Body elongate, depressed anteriorly; head especially very broad and 

 fiat; mouth large, broad, very oblique; the maxillary reaching nearly 

 or quite to opposite posterior margin of the eye, its length 2 x / i to 27/3 

 in head; lower jaw considerably projecting; teeth in jaws equal, in 

 broad bands, the outer series not all enlarged; eye small, anterior, 6 

 in head; scales on head mostly cycloid, very small, covering cheek 

 and opercles and upper part of the head to the eyes ; scales on dorsal 

 and ventral regions cycloid, those on sides mostly ctenoid; preoper- 

 cular spine well developed, strong, compressed, directed downward 

 and forward. 



Color dark, dull olivaceous brown, paler below; young mottled 

 with bluish and speckled with brown; sides without longitudinal 

 stripes; fins dusky, all of them finely mottled and speckled with 

 darker, the dark markings on dorsal and anal forming undulated 

 dark bars. Length about 18 inches. (Jordan & Evermann.) 



Subfamily Gobiinae. 



87. Gobius Linnaeus. 



Gobius Linnaeus, Syst. Nat., Ed. x, 262, 1758. (Type, Gobius niger 



Linnaeus.) 

 Gobioncllus Girard, Proc. Acad. Nat. Sci. Phila., 1858, 168. (Type, 



Gobioncllus hastatus Girard.) 

 Ctcuogobius Gill, Fish. Trinidad, 374, 1858. (Type, Cicnogobius 



jasciatus Gill.) 

 Body oblong or elongate, compressed behind; head oblong, more 

 or less depressed; mouth moderate; teeth conical, on jaws only, in 

 several series, the outer row enlarged; no canines; eyes high, an- 



