104 



BOID^. 



a-c. t? (Sc. 43, 43, 43; 



V. 207, 203, 208; 0. 



30, 36, 37). 

 d-e,f-ff, h-i. (S (Sc. 41, 



41; V. 212, 203; 0. 



49, 39), ? (Sc. 43, 43 ; 



V. 208, 212; 0. 42, 



36), & embryos, 

 /t. Tg. (Sc. 45 ; V. 200 ; 



0. 37). 

 l,m. Yg. (Sc.53,49; V. 

 228,212; C.46,38). 



S.E. Betsileo. 



Antafana, Betsileo. 



Betsileo. 

 Madagascar. 



10. ENYGRUS. 



Mr. T. Waters [0.]. 



Rev. W. D. Cowan 

 [0.]. 



Rev. G. A. Shaw 



[0.]. 



Enygrus, Wagler, Syst. Amph. p. 166 (1830) ; Bum. Sf Bihr. Erp. 



Oen. vi. p. 476 (1844) ; Gray, Cat. Sn. p. 105 (1849). 

 Boa, part., SMeg. Phys. Serp. ii. p. 373 (1837). 

 Enygrus, part., Jan, Icon. 06n. OpMd. p. 76 (1865). 

 Erebophis, Giinth. Proa. Zool. Soc. 1877, p. 131 ; Peters Sf Boria, 



Ann. Mus. Oenova, xiii. 1878, p. 405. 



Pig. 6. 



Head of Enygrus asper. 



Anterior maxillary and mandibular teeth very large, tbe rest 

 small and subequal. Head distinct from neck, covered with small 

 scales. Eye moderate, with vertical pupil. Body compressed. 

 Scales keeled. Tail short, prehensile ; suboaudals single. 



Moluccas, Papnasia, Polynesia. 



