AFRICAN SNAKES. 215 



15. MlODON. 



A. Dum. Arch. Mus. x. 1859, p. 206 ; Bouleng. Cat. Sn. iii. 

 p. 249. 



/Synopsis of the Species. 



I. Anal entire; ventrals 190-216 31. acantlrias. 



II. Anal divided. 

 Internasals considerably shorter than the prsefrontals ; ventrals 



201-228; nasal divided M. collaris. 



Internasals as long as or slightly shorter than the prefrontals ; 



ventrals 214-249 ; nasal entire or incompletely divided Jf. gabonensis. 



Internasals as long as or slightly shorter than the prsefrontals ; 



ventrals 181-214; nasal divided M. notatus. 



1. MlODON ACANTHIAS. 



Urobelus acanthias Reinh. Yidensk. Meddel. 1860, p. 229, 

 pi. iii. 



Miodon acanthias Bouleng. t. c. p. 250. 



? Microsoma collare, var. D, Bocage, Herp. Ang. p. 126. 



Guinea ; Congo (?). 



2. MlODON COLLARIS. 



Microsoma collare Peters, Sitzb. Ges. Naturf. Fr. Berl. 1881, 

 p. 148; Bocage, op. cit. p. 124, pi. xiv. figs. 1 & 2. 

 Miodon collaris Bouleng. t. c. p. 251. 

 West Africa, from Old Calabar to Angola. 



3. Miodon gabonensis. 



JSlapomorphus gabonensis A. Dum. Rev. et Mag. Zool. (2) viii. 

 1856, p. 468. 



Miodon gabonensis Bouleng. t. c. p. 252. 



West Africa, from Old Calabar to the Congo. 



4. Miodon notatus. 



Microsoma notatum Peters, Sitzb. Ges. ISFaturf. Fr. Berl. 1882, 

 p. 127. 



Miodon notatus Bouleng. t. c. p. 252. 



Cameroon, Congo. 



16. Cynodontophis. 

 Werner, Yerh. zool.-bot. Ges. Wien, Iii. 1902, p. 345. 



1. Cynodontophis ^emulans Werner, t. c. p. 346. 

 Congo. 



17. Hypoptophis. 



Bouleng. Ann. & Mag. K H. (8) ii. 1908, p. 92. 

 Michellia L. Midler, Zool. Anz. xxxviii. 1911, p. 358. 



