SN-AKES OF MADAGASCAR. 381 



6. Stbnophis longicauda Boettg. in Voeltzk. Reise Ostafr. iii. 

 p. 315, pi. xxvi. fig. 7. 



Madagascar. 



7. Stexophis arctifasciatus. 



Eeterurus arctifasciatus Dum. & Bibr. Erp. Gen. vii. p. 1176. 



Stenophis arctifasciatus Bouleng. t. c. p. 43. 



Madagascai\ 



8. Stenophis variabilis Bouleng. t. c. p. 43, pi. iv. fig. 3. 

 Madagascar. 



9. Stenophis betsileanus. 



Dipsas hetsileana Giinth. Ann. & Mag. IST, H. (5) vi. 1880, 

 p. 238. 



Stenophis betsileanus Bouleng. t. c. p. 44, pi. iv. fig. 4. 



Madagascar. 



7. Lycodryas. 



Giinth. Ann. & Mag. N. H. (5) iii. 1879, p. 48 ; Bouleng. Cat. 

 Sn. iii. p. 44. 



1. Lycodryas sancti-johannis Giinth. 1. c. ; Bouleng. t. c. 

 p. 45, pi. iii. fig. 2. 



Comoro Islands. 



8. MiMOPHlS. 



Gunth. Ann. & Mag. N. H. (4) i. 1868, p. 421 ; Bouleng. Cat. 

 Sn. iii. p. 171. 



1. MiMOPHIS mahfalensis. 



Psammophis mahfalensi-s Grandid. Rev. et Mag. Zool. xix. 

 1867, p. 234. 



Ilimophis maJifalensis Bouleng. 1. c. 



Madagascar. 



Pi'otei'oglypha. 



(Sea^Snakes, with oar^haped, compressed tail.) 



Two genera : — 



No distinct ventrals ; frontal at least as long as snout Hf/drus. 



Veutrals distinct, but very small ; frontal shorter than its distance 



from end of snout Enhydrina. 



27' 



