38 



COLTTBRID^. 



Total length 800 millim. ; tail 315. 

 Madagascar. 



a. S (V. 146 ; C. 119). S.E. Betsileo. Mr. T. Waters [0.]. 



6. $ (V. 148; C. 129). Madagascar. Christiania Museum*- 



c. (S (V. 146 : 0. 143). Madagascar. 



138. ALLUAUDINA. 



Alluaudina, Mocquard, CJR. Soc. Philom. 1894, no. 17, p. 9. 



• Mandibular teeth small aud equal. Head very distinct from 

 neck; eye moderate, with vertically subelliptic pupil; nasal 

 indistinctly divided. Body rounded ; scales keeled, without apical 

 pits, in 25 rows ; ventrals rounded. Tail moderate ; suboaudal* 

 single. 



Madagascar. 



1. Alluaudina bellyi. 



Alluaudina hellyi, Mocquard, I. c. 



Head broad, much depressed. Eostral twice as broad as deep,, 

 not extending to the upper surface of the snout ; internasals very 

 short ; prsefrontals very large, as long as broad ; frontal as broad as 

 long, shorter than its distance from the end of the snout, shorter 

 than the parietals ; supraocular small ; loreal a little longer than 

 deep ; two prse- and three postoculars ; temporals scale-like,, 

 keeled ; eight upper labials, third and fourth entering the eye ; four 

 or five lower labials in contact with the anterior chin-shields. Scales 

 rugose and strongly keeled, in 25 rows. Ventrals 161; anal entire ;. 

 subcaudals 68. Purplish brown above, with a lateral series of 

 darker spots along the flanks ; lower parts greyish white, with; 

 square black spots, partly confluent and disposed irregularly. 

 ' Total length 312 millim. ; tail 73. 



Ambre Mt., Saccaranii Valley, Madagascar. 



139. ETEIEODIPSAS. 



Dipsas, part., ScUeg. Phys. Serp. ii. p. 357 (1837) ; Dum. 8r Bibr^ 



£rp. GSn. vii. p. 1133 (1854). 

 Eteirodipsas, part., Jan, JElenco sist. Ofld. p. 105 (1863). 



Maxillary teeth 14 to 16, equal, followed, after an interspace, by 

 a pair of enlarged grooved fangs ; anterior mandibular teeth longest.. 

 Head distinct from neck ; eye moderate, with vertical pupil, 

 separated from the labials by, suboculars. Body cylindrical ; scales- 

 smooth, with apical pits, in 25 to 29 rows ; ventrals rounded. Tail 

 moderate ; subcaudals in two rows. Hypapophyses developed 

 throughout the vertebral column. 



Madagascar. 



