12. ENYALITJS. 



119 



the sides ; ventral scales rather large, squarish, strongly keeled. 

 Limbs long, covered with imbricate keeled scales ; digits long and 

 slender ; tibia longer than the head ; the adpressed hind limb reaches 

 beyond the tip of the snout. Tail round or very feebly compressed, 

 about twice as long as head and body, covered with keeled scales 

 which are largest inferiorly. Coloration very variable. Females 

 brown, with symmetrical darker, light-edged markings consisting 

 generally of a series of rhombs or alternating triangular spots form- 

 ing a zigzag band along the middle of the back ; usually a dark 

 brown baud, widening gradually, from the eye to the shoulder : 

 lower surfaces brownish- white, with scattered brown dots. Males 

 sometimes brown with angular blackish markings, but more usually 

 uniform purplish brown, with the head bluish. 



d- 2- 

 Total length 297 293 millim. 



Head 25 28 „ 



Width of head . . 20 21 „ 



Bodv 72 75 „ 



Fore Umb 52 53 „ 



Hind limb 105 98 „ 



Tail 200 190 „ 



Brazil. 



a. cJ . Bahia. 



b. 2 ■ BaJiifi- I^i'- 0- Wucherer [C.]. 



c. d. Rio Janeiro. Mrs. Fry [P.]. 



d. cJ . ]^>razil. Lord Stuart [P.]. 



e. S • Brazil. Mrs. Mauger [P.]. 

 /, [/-h. S ? • Brazil. 



i. Ad., stuffed. ? 



2. Eny alius bibroiiii. 

 Enyalius rbombifer (non Spiv), Bum. Sf Bihr. iv. p. 231. 



Distinguished from the preceding in the following points : — All 

 the scales a little larger, ventrals smooth or very obtusely keeled. 

 Limbs shorter ; tibia nearly as long as the head ; the adpressed hind 

 limb reaches the posterior corner of the eye. The unique specimen 

 in the collection is pale browuish above, with an alternating series 

 of squarish trausverse brown spots along tlie middle of the back, 

 each with a small round white spot in front and behind ; a brown 

 band from eye to shoulder ; lower surfaces uniform whitish. 



Total length (tail broken) 220 millim. 



Head 28 



Width of head 21 



Body 72 



Fore limb 40 „ 



Hind limb 82 



Guianas, Brazil. 

 a. 2 . Bahia. 



