

218 ME. G. A. BOULENGER ON 



Boulengerina annulata Bouleng. P. Z. S, 1900, p. 455, 

 pi. xxxii. 



Cameroon to Congo. 



2. Boulengerina stormsi Dollo, t. c. p. 160, fig. ; Bouleng. 1. c. 

 Lake Tanganyika. 



3. Boulengerina christyi Bouleng. Ann. & Mag. N. H. (7) 

 xiv. 1904, p. 14. 



Congo (near Leopolclville). 



2. Elapechis. 

 Bouleng. Cat. Sn. iii. p. 358. 



Synopsis of the Sj^ecies. 



A. Scales in 13 rows ; subcaudals 13-25. 



First lower labial in contact with its fellow behind the 

 symphysial ; internasals much shorter than the pre- 

 frontals E. guentheri. 



First lower labial in contact with its fellow behind the 

 symphysial ; internasals three-fourths the length of the 

 prefrontals E. niger. 



Symphysial in contact with the anterior chin-shields JS. hessii. 



B. Scales in 15 rows ; subcaudals 31-36 ; first lower labial in contact with its 



fellow behind the symphysial. 



No suboculars ; ventrals 150 E. duttoni. 



Two suboculars ; ventrals 172 _E. multifasciatus. 



1. Elapechis guentheri. 



Elapsoidea guentheri Bocage, Jorn. Sc. Lisb. i. 1866, p. 70, - 

 pi. i. fig. 3, and Herp. Ang. p. 129, pi. xiv. fig. 3. 



Elapechis guentheri Bouleng. t. c. p. 359. 



Tropical Africa, from the Gaboon and Uganda to Angola and 

 Nyassaland. 



2. Elapechis niger. 



Elapsoidea nigra Giintli. Ann. & Mag. IS!". H. (6) i. 1888, 

 p. 332. 



Elapechis niger Bouleng. t. c. p. 359, pi. xx. fig. 1. 

 Congo, N. Rbodesia, East Africa. 



3. Elapechis hessii. 



Elapsoidea hessei Boettg. Zool. Anz. 1887, p. 651. 

 Elapechis hessii Bouleng. t. c. p. 360. 

 Congo (Banana). 



4. Elapechis duttoni Bouleng. Ann. & Mag. N. IT. (7) xiv. 

 1904, p. 15. 



Congo (near Leopoldville). 



