632 ME. G. A. BOULKNGER OX THE 



1. Oalamelaps UNICOLOR. 



Calamaria u7iicolor Reinh. Vicl. Selsk. Skrift. x. 1843, p. 236, 

 pi. i. figs. 1-3, 



CalamelajJs tmicolor Bouleng. 1. c. 



Atractaspis hildehrandti Peters, Mon. Berl. Ac. 1877, p. 616 ; 

 Bouleng. t. c. p. 512. 



British East Africa ; West A frica. 



2. Calamelaps polylepis Bocage, Jorn. Sc. Lisb. iv. 1873, 

 p. 216 ; Bouleng. t. c. p. 246. 



ISTyassalaiid, Angola. 



16. Rhinocalamus. 



Giinth. Ann. & Mag. N. H. (6) i. 1888, p. 322 ; Bouleng. Cat. 

 Sn. iii. p. 247. 



Two species : — 



Scales in 17 vows ; 6 upper labials J2. dimidiatus. 



Scales ill 15 rows ; 7 upper labials R. meleagris. 



1. Rhinocalamus dimidiatus Giinth. 1. c. pi. xix. fig. C; 

 Bouleng. 1. c. 



East Africa. 



2. Rhinocalamus meleagris Sternf. Mitth. Zool. Mus. Berl. iv. 

 1908, p. 244. 



Lamu Id., British East Africa. 



17. Xenocalamus. 



Gunth. Ann. & Mag. N. H. (4) i. 1868, p. 414 ; Bouleng. Cat, 

 Sn. iii. p. 247. 



1. Xenocalamus bicolor Giinth. t. c. p. 415, pi. xix. fig. A ; 

 Bouleng. t. c. p. 248. 

 Zambesi. 



18. Micrelaps. 



Boettg. Ber. Senck. Ges. 1879-80, p. 136 ; Bouleng. Cat. Sh. 

 iii. p. 248. 



1. Micrelaps bicoloratus Sternf. Sitzb. Ges. Nat. Fr. Berl. 

 1908, p. 93. 



British East Africa. 



19. MiODON. 



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

 p. 249. 



Synoj^sis of the Species. 



Frontal slightly broader than supraocular, li to 1^ as long as 



broad Jf. gahoiieusis. 



Frontal much broader than the supraocular, a little longer tlian 



broad ; nasal entire M. cJtris/i/L ' 



Frontal much broader than the supraocular, as broad as long ,. ., M. (jraueri. 



