38. lETRALEPIS. 



319 



Rostral broader than deep, just visible from above ; internasals 

 shorter than the praefrontals ; frontal once and a half to once and 

 two thirds as long as broad, as long as its distance from the end 

 of the snout, shorter than the parietals ; loreal longer than deep ; 

 one (rarely two) pra;- and two postoculars ; temporals 1+2; 

 eight upper labials, fourth and fifth entering the eye ; four lower 

 labials in contact with the anterior clun-shields, which are as 

 long as or a little longer than the posterior. Scales in 19 rows. 

 Ventrals 158-179 ; anal entire ; su])caudals 55-81. Uniform dark 

 olive-brown above ; upper lip and lower parts yellowish white. 



Total length TOO millini. ; tail 135. 



South Africa. 



a-c. c? (V. 167 ; C. 74) .t 

 2 (V. 1G4, 159; C. 58, 

 •57). 



d. Hgr. (V. 179 ; C. 72). 



e. Ilgr. (V. 175; C. 70). 

 /. d (V. 173 ; C. 60). 



0. 2 (V. 175 ; C. 69). 

 h-i. 2 (V. 175: C. 70) & 



yg. (V. 169 ; C. 70). 

 7c. d (V. 171 ; C. ?). 



1. Skull. 



Cape of Good Hope. 



Cape Colon V. J. P. M. Weale, Esq. 



King"'A illiam's Town. 11. Trevelyan, Esq. 



[P.]. 

 Port Natal. Rev. H. Calloway 



[P.]. 

 Port Natal. :Mv. T. Ayres [C.]. 



Pretoria, Transvafil. W. L. Distant, Esq. 



Matabele-land. C. Beddmgton, Esq. 



[P.]. 

 Cape of Good Hope. 



38. TETRALEPIS. 



Tetralepis, Boett<jor, Bei: Offenh. Vcr. Nat. 1892, p. 124. 



Maxillary teeth 14, third to eighth longest, the six last gradually 

 decreasing in size ; mandibular teeth increasing in size to the fifth, 

 posterior very small. Head small, not distinct from neck: eye 

 rather small, with round pupil ; nasal single. Body cylindrical ; 



Fig. 18. 



Maxillary and mandible of Tetralepis fruhsforfcri. 



scales smooth, without pits, in 15 rows; ventrals rounded. Tail 

 rather short ; subcaudals in two rows. Hypapophyses developed 

 throughout the vertebral column. 

 Java. 



