Jordan and Evermann. — Fishes of North America. 2195 



Dark brownish or olive, lighter below; an interrupted dark lateral band 

 extending from base of pectoral to base of candal (not always present) ; 

 fins dusky, and with the exception of the anal and ventrals, all distinctly 

 mottled; spinous dorsal margined with blackish; head often with dark 

 spots. Streams of the West Indies and Atlantic shores of Central America, 

 Mexico, and Surinam; everywhere common, reaching a lengtli of 2 feet 

 or more. Here described from Cuban specimens, (dortnitor, sleeper.) 



Guavina, Parra, Descr. Dif. Piezas Hist. Nat. Cuba, tab. 39, fig. 1, 1787, Havana. 



Oobiomorus dormitor, LACjjpfeDE, Hist. Nat. Poiss., ll, 599, 1798, Martinique ; from a draw- 

 ing by Plumier; Eigenmann & Eigenmann, Proc. Cal. Ac. Sci. 1888, 52. 



Flatycephalus dormitator, Bloch, Ichth., 1801, Martinique ; after LACl<;pi;DE. 



Batrachug guavina, Block & Schneider, Syst. Ichth., 44, 1801 ; ba.secl on Guavina of Parra. 



Dleotris longiceps, Gunther, Proc. Zool. Soc. Lond. 1864, 151, Nicaragua; GOnther, Fish. 

 Centr. Amer., 440, 1869. 



Electris dormitatrix, Ouvier, K6gne Animal, Ed. n, vol. 2, 246, 1829, Antilles; Gunther, 

 Cat. Fish., ni, 119, 1861. 



Oobiomorus dormitator, JORDAN & Gilbert, Proc. U. S.Nat. Mas. 1882, 572. 



Philypnus dormitator, Cuvier & Valenciennes, Hi-st. Nat. Poias., xii, 255, 1837; Poey, 

 Mem. de Cuba, II, 381, I860; Girard, U. S. and Mexican Boundary Survey, Zool., 27, pi. 

 12, fig. 13, 1859; Jordan & Gilbert, Synopsis, 631, 1883. 



2517. PHILYPNUS LATERALIS, Gill. 



(Aboma de Mar.) 



Head 2,%; depth 5^. D. VI-10; A. I, 10; scales 52 to 55; eye 6 to 6* 

 in head; snout 3^ to 3|; maxillary 2^ to 2f. Brownish, lighter or white 

 below; a distinct dark brown or blackish band extending from base of 

 pectoral to base of caudal; dorsals, pectoral and caudal dusky; ven- 

 trals and anal lighter; dorsals, caudal, and in some specimens the anal, 

 distinctly blotched. The only constant ditferencc between this species 

 and Philypnus dormitor seems to be the brighter coloration of lateralis. 

 Streams of Pacific Coast of Mexico and Central America, from Souora to 

 Panama, entering the sea; common, reaching a much larger size than 

 any other of our Gobies. Here described from specimens from Eio Pre- 

 sidio, Mazatlan. (lateralis, pertaining to the side.) 



Philypnus lateralis, Gill, Proc. Ac. Nat. Sci. Phila. 1860, 123, Cape San Lucas (Coll. 



Xantus) ; Jordan & Gilbert, Proc. U. S. Nat. Mus. 1882, 377. 

 Eleotris lateralis, Gunther, Cat., hi, 122, 1861. 



8o2. DORMITATOR, Gill. 



(PU.NECAS.) 



Prochilus, CuviER, Efegne Animal, Ed. 1, vol. ii, 294, 1817 (niacrolepidota^maculatus) ; 



name preoccupied. 

 Dormitator, Gill, Proc. Ac. Nat. Sci. Phila. 1862, 240 (gundlachi). 



Body short, robust; head broad and flat above; mouth little oblique; 

 maxillary reaching to anterior margin of orbit; lower jaw little project- 

 ing; no teeth on vomer; lower pharyngeal teeth stiff' and blunt, the bones 

 with an external series broad, flexible, lamelliform, these being rudi- 

 mentary gill filaments; scales large, ctenoid, 30 to 33 in a longitudinal 



