82 MR. G. A. BOULENGER ON ADDITIONS TO THE [Feb. 18, 



LioCEPHALXJS BOLiviANUs. (Plate IX.) 



Upper head-scales small, strongly keeled ; nostril lateral, below 

 the canthus rostralis ; nasal separated from the rostral by one scale ; 

 no large supraoculars. Side of neck not plicate, covered wtih pointed, 

 imbricate, keeled scales. A low dorsal crest. Dorsal scales large, 

 strongly keeled, feebly mucronate, forming slightly oblique longitu- 

 dinal lines ; lateral scales smaller ; ventrals a little larger than dorsals, 

 very strongly keeled ; gulars a little smaller than dorsals ; 38 scales 

 round the middle of tbe body. The adpressed hind limb reaches the 

 end of the snout. Tail very slightly compressed, not crested. Pale 

 bronzy brown above,with angular dark brown markings pointing back- 

 ward; abrowii otdique band frombelow theeyeto thelip; shoulder and 

 upper surface of arm blackish brown, -with a white anterior border ; 

 lower parts pale olive, vrith white spots. 



niillim. milHm. 



Total length 245 Fore hmb 43 



Head 21 Hind hmb 7.5 



Width of head 13 Tail 165 



Body 59 



A single female specimen from Bolivia in Dr. J. G. Fischer's 

 collection. 



Chamjesaura didactyla. (Plate XI. fig. 1.) 



Both pairs of limbs present, with two minute clawed digits, 

 inner shortest. Head-shields striated ; nasals forming a suture, sepa- 

 rating the rostral from the frontonasal ; latter longer than broad, 

 forming a suture with the frontal, separating the praefrontals ; 

 frontal heptagonal; four subequal parietals; an elongate interparietal ; 

 no occipital ; the posterior parietals forming a suture behind the 

 interparietal ; three supraoculars, anterior largest ; three supra- 

 ciliaries, anterior largest ; nasal large, pierced in its posterior portion ; 

 a single loreal ; subocular between the third and fourth labials. 

 Scales on the body in 26 longitudinal and 39 transverse series. 

 Three femoral pores. Bronzy brown above, with a lighter vertical 

 line ; golden inferiorly. 



millim. millim. 



Total length 530 Hind limb 8 



Head 15 Tail 420 



Fore limb 5 



A single specimen from South Africa. 



This new species lessens the gap between C. cenea and C. anguina. 



EcHiNOSAURA, g. n. (Teiidarum). 



Tongue moderately elongate, arrow-headed. Lateral teeth com- 

 pressed, bi- or tricuspid. Head with large shields anteriorly, granular 

 posteriorly ; frontonosal separating the nasals ; nostril pierced in the 



