2258 Bulletin 4.7, United States National Museum. 



cc. Body more elongate, depth 5 to 6 iu body ; head very broad, flattish above, 



with tumid cheeks, its length 3 in body ; eye small, longer than snout, 



5 in head; mouth large, little oblique, the jaws subequal. 



d. Soft dorsal with 14 rays; no crescent at base of caudal; maxillary 



extending to below posterior part of orbit (at least in male), 2 



in head; teeth in few series, the outer considerably enlarged; 2 



teeth on each side of inner series of lower jaw especially large 



canines ; dorsal spines slender, none filamentous ; caudal rounded. 



Olivaceous, with darker cross shades of rounded spots; vertical 



fins dusky, faintly barred. Teeth of the female similar to those 



of the male but smaller; head narrower ; more slender. D. VII- 



14; A. 10. BOSCI.2592. 



d<J. Soft dorsal with 12 rays ; a brown crescent at base of caudal. 



CRESCENT ALE, 2593. 



oo. Coloration not plain olivaceous; head with a red bar; anterior dorsal rays not pro- 

 duced in filaments ; head and body compressed ; greatest depth 5f in total length, 

 head about 4; angle of mouth little behind center of eye; eye 4 in head; 

 teeth pointed, in several series, tho.se of the outer series a little enlarged; 

 caudal rounded. Head light yellow; a carmine-red bar extending along upper 

 edge of head, from upper corner of gill opening to snout, where it joins its fellow, 

 ending behind over the pectoral in a small indigo-blue spot ; body with 16 or 17 

 light green, well-defined cross bars, separated by narrow white stripes; fins 

 chiefly gre3uish. D. VII ( VI)-11 or 12 ; A. 10. 



MULTIFASCIATUM, 2594. 



2590. GOBIOSOMA HISTRIO, Jordan. 



Head 3i; depth 5f D. VII-12 or 13; A. 11 or 12; maxillary 2J in head; 

 caudal 1. Body rather short; snout depressed, little obtuse; mouth 

 large, rather oblique, maxillary reaching to below posterior part of orbit; 

 chin without barbels ; many series of minute papilla? along mucous pores 

 of head. Teeth small, in few series above, in a band below, the outer 

 enlarged. Fins low. Cross bands on body whitish, as wide as eye, not 

 quite meeting below; a dark blotch on base of pectoral, a fainter one 

 on base of caudal; fins nearly plain. Length 2 inches. Gulf of Cali- 

 fornia; known only from the Gulf of California at Guaymas (Emeric; 

 Evermann & Jenkins) and La Paz (Gilbert), (histrio, a harlequin.) 



Gobiosoma histrio, JORDAN, Proc. U. S. Nat. Mus. 1884, 260, Guaymas, Mexico (Coll. H. F. 

 Emeric) ; JORDAN & EIGENMANN, 1. c., 508; EVERMANN & JENKINS, Proc. U. S. Nat. Mus. 

 1891, 162. 



2591. GOBIOSOMA MOLESTUM, Girard. 



Head about 3|; depth 4. D. VII-13; A. 10; vertebra? 12 + 15. Body 

 rather short, maxillary extending to below posterior part of orbit. Teeth 

 in several series, slender, the outer ones somewhat elongate, none of the 

 inner ones specially enlarged. Skull flattish, with a slight median keel; 

 lateral crests developed, lower and stronger than in Gobius; interorbital 

 very narrow, bounded by 2 minute crests ; bones of the skull very weak 

 and fragile. Teeth in both jaws recurved, in 2 or 3 series. Olivaceous, 

 with dark points; sides with narrow, alternating light and dark bars; a 

 row of small dark spots along middle of side ; first dorsal with 3 oblique 

 dark bars; second dorsal, caudal, and pectorals finely barred; base and 



