Edentulous Genera of Ourimatince, 423 



13. CUBIMATUS DOBUIiA. 



Oiirimatiis dobula Gthr.,''68a, 243 (Huallaga); Boulenger, '87b, 279 

 (Canelos). 

 Habitat, Eastern slopes of Peru and Ecuador. 



14. CURIMATUS GIJNTHEIRI sp. nov. 



Type, No. 20,345, one specimen, .085. Tabatinga; Bourget. 



We have dedicated this beautiful species to Dr. Albert Giinther, of 

 the British Museum. 



■ Resembling spilurus in shape of body. Preventral region flat, with 

 obtuse lateral keels; postventral region rounded. Predorsal region 

 with a median keel; postdorsal region rounded. 



Scales mostly entire, those of the breast crenate. Scales on the base 

 of the caudal lobes. 



Profile rounded, not depressed at the occiput. Eye f in snout, 3 in 

 head, 1^ in interorbital. 



Caudal deeply forked, the lobes longer than the head. Pectorals not 

 reaching to ventrals, ventrals to vent. 



Brownish above, silvery below, everywhere with metallic reflections; 

 a white lateral band. A conspicuous dark brown spot at base of mid- 

 dle dorsal rays. 



Head 3i; depth 2f. D. 13; A. 11. Scales 5-34-5. 



15. CURIRIATUS MICROCEPHAI^US sp. nov. 



Types, No. 785, four specimens, .07-. 145 ra. Surinam; Dr. J. 

 Wyman. 



Rather deep, the dorsal and ventral outlines regularly, the latter 

 more regularly, arched. Region immediately in front of ventrals flat- 

 tened; breast rounded. Postventral region with three indistinct keels. 

 A few scales in front of the dorsal keeled, the rest rounded; postdorsal 

 region with three indistinct keels. 



Profile slightly depressed at occiput. Mouth subterminal. Eye little 

 longer than snout, 3^ in head, 1| in interorbital. 



Median series of scales on nuchal region ciliate. Lateral scales entire. 

 Ventral scales finely serrate. Basal half of the caudal lobes scaled. 



Highest dorsal ray about equal to the head. Anal short truncate, the 

 anterior rays reaching the caudal; ventrals not to vent; pectorals not 

 to ventrals. 



Light brown with metallic reflections; light lines along the series of 

 scales; dorsal in one specimen with many dark points. 



Head 3f ; depth 2^-2f. D. 12-13; A. 9-10. Scales 5-32 to 34-5. 



