3. PLATYSAUUUS. — 4. CHAM.ESAURA. 263 



with an occipital which may bo broken up into two or three parts ; 

 four or five upper labials anterior to second infraorbital ; no enlarged 

 gulars on the median line. Femoral pores seventeen or eighteen 

 in the female, twenty-one in the male. A black gular collar. 



Total length 185 millim. ; tail 113. 



Mossambique. 



4. CHAM^SAURA. 



Chamsesam'a, part. Schncid. Hist. Ainph. p. 204. 

 Monodactylus, Merrem, Tent. Si/st. A))iph. p. 76. 

 Chanifesaura, Fitzi/if/. Neue Class. Rept. p. 18 ; Wncjler, Si/st. Amph. 



p. 157 ; Dum. c^- L'ibr. v. p. 438; Gray, Cat. Liz. p. 61. 

 Cricochalcis, Wiegm. Ilandb. der Zool. p. 185, and Herp. Mex. p. 11 ; 



Peters, Abh. Berl. Ac. 1862, p. 166. 

 Mancus; Copie, Froc. Ac. Philad. 1862, p. 339. 



Body serpentiform, tail extremely long ; limbs rudimentary. 

 Head-shields regular ; nostril pierced in the nasal. Ear-opening 

 moderate. Scales on the body and tail uniform, lanceolate, strongly 

 keeled, strongly imbricate, forming transverse series ; the median 

 dorsal scales larger than the others. Femoral pores. 



South Africa. 



Synopsis of the Species. 



Both pairs of limbs present, pentadactyle . . 1. cenea, p. 263. 

 Both pairs of limbs present, styliform, un- 

 divided 2. anrjuina, p. 264. 



Fore limbs absent 3. macrolepis, p. 264. 



1. Chamaesatira aenea. 



Cricochalcis jenea {Wiegm.), Fitzing. Sgst. Rept. p. 21 ; Peters, I. c. 

 Chamaesaura miodactyla, Giinth. Ann. 8; Mag. N. H. (5) vi. 1880, 

 p. 235, tig. 



Both pairs of limbs present, with five unequal clawed digits. 

 Head-shields strongly striated ; frontonasal in contact with the 

 rostral, separating the nasals, followed by a pair of prajfrontals 

 forming a median suture ; frontal hexagonal ; four subequal pari- 

 ctals, hardly larger than the frontoparietals, the anterior pair 

 separated by an interparietal, the posterior by an occipital ; three 

 supraoculars, anterior largest ; three supraciliaries, anterior largest; 

 nasal large, pierced in its lower anterior portion ; two superposed 

 lorcals ; a large pneorbital ; a large infraorbital, bordering tlic lip, 

 separating the third and fourth, or the fourth and fifth labials ; 

 upper labials four or five ; rostral five times as broad as liigh ; 

 tem])lcs covered with imbricate keeled scales. Four lower labials, 

 bordered by four large shields, the anterior pair of which form 

 a suture. Scales on the body in twenty-eight longitudinal and 

 forty-two transverse series. Three femoral pores on each side. 

 Back with two broad dark brown longitudinal bands separating 

 three narrower yellow bands ; lower parts greenish white. 



