518 Mr. G. A. Boulenger on new 



enlai'ged, separated by one series of scales; two strongly 

 enlarged supraoculars, broader than long and in contact with 

 the supraorbitals; occipital larger than the ear-opening, 

 separated from the supraorbitals by two series of scales; 

 can thus rostralis sharp, canthal scales four ; loreal rows five ; 

 six or seven labials to below the centre of the eye ; ear-opening 

 moderately large, oval. Nogular appendage (female) ; gular 

 scales feebly keeled. Body cylindrical. Dorsal scales small, 

 flat, keeled, becoming gradually smaller towards the sides, 

 where they are minute and granular; ventral scales larger 

 than dorsals, flat, juxtaposed, faintly keeled. The adpressed 

 hind limb reaches the eye; digital expansions moderately 

 broad ; 16 larnellse under phalanges ii. and iii. of the fourth 

 toe. Tail not compressed, once and two-thirds as long as 

 head -and body, covered with large strongly keeled scales. 

 Reddish brown above, with a series of six small dark brown 

 spots on the spine ; a rusty, dark-edged cross-band between 

 the eyes; lower parts much obscured by brown dots. 



mm. 



Total length 143 



Head 15 



Width of head '•» 



Body 38 



Fore limb 2] 



Hind limb 



Tibia 12 



Tail 90 



A single female specimen from San Antonio. 

 Allied to A. fiisco-auratus, u'Orb. 



Pi imodactylus palmeri. (Fig. 3.) 



Snout short ; body rather short. Upper head-shields 

 distinctly striated ; fronto-nasal single, forming a short suture 

 with the frontal; fronto-parietals, parietals, and interparietal 

 subequal in size; three occipitals, median smallest; two 

 large transverse postoccipitals ; three supraoculars, first 

 largest; nostril between two nasals; posterior nasal, loreal, 

 and freno-ocular forming a triangle ; upper temporals large, 

 lower small, not keeled ; seven upper and five lower labials ; 

 chin-shields, one anterior and four pairs, the two first pairs 

 forming a suture; a double longitudinal row of transversely 

 enlarged gulars ; collar-shields eight, the median pair very 

 large. Dorsal scales strongly keeled, about twice as long as 

 broad ; upper lateral scales small, hexagonal, keeled, lower 

 very small, granular, smooth : 50 scales, including ventral 



