SNAKES OF WEST AFRICA. 279 



7. Lycophidium elapoides Giinth. P. Z. S. 1874, p. 444; 

 Bouleng. t. c. p. 343. 

 Cameroon. 



8. HORMONOTUS. 



Hallow. Proc. Ac. Philad. 1857, p. 56; Bouleng. Cat. Sn. i. 

 p. 343. 



1. HoRMONOTUS MODEST US. 



LcwvpropMs modestus Dum. & Bibr. Erp. Gen. vii. p. 429. 

 Uormonotas modestus Bouleng. 1. c. 

 Gold Coast to Gaboon. 



9. GOXIOXOTOPHIS. 



Bouleng. Cat. Sn. i. p. 323. 



iSynopsis of the S^yecies. 



I. Scales strongly keeled. 



Loreal and prfefrontal entering' the eye; scales in 21 rows; veutrals 



175-185; subcaudals 73-95 G. hrussaiuvi. 



Loreal separated from the eye by a prseocular ; scales in 19 rows ; 



ventrals 167-173 ; snbcaudars 90-94 G.Uiiigii. 



II. Scales ratljer feebly keeled, in 15 rows (19 on neck). 



Loreal twice as long as deep ; ventrals 167-173 ; subcaudals: 67 G. grantii. 



Loreal as long as deep or a little longer ; ventials 210-211 ; sub- 

 caudals 47-54 G. m icrojjs. 



1. GONIONOTOPHIS BRUSSAUXI. 



Gonionotus hmssauxl Mocquard, Bull. Soc. Philom. (8) i. 1889, 

 p. 146, pi. ii. 



Gonionotus vossi Boettg. Zool. Anz. 1892, p. 418. 



Gonionotophis hrussauxi & vossi Bouleng. t. c. p. 323. 



? >:Hmocephcdus inslgnis Cnaban. Bull. Mus. Paris, 1916, p. 369, 

 fig- 



Cameroon to Congo. 



2. Gonionotophis klixgii Matschie, Sitzb. Gas. ISTat. Fr. Berl, 

 1893, p. 172 ; Bouleng. Cat. Sn. iii. p. 614. 



Togoland. 



3. Go>fiONOTOPHis grantii. 



Siviocephalus grantii Giinth. Ann. & Mag. N. H. (3) xii. 1863, 

 p. 361. 



Gonionotophis grantii Bouleng. Cat. Sn. i. p. 324, pl.xxiii. fig. 1. 

 N. Nigeria, Gold Coast, Togoland. 



4. Gonionotophis microps Bouleng, Ann. & Mag. N. H. (8) 

 viii. 1911, p. 370. . 



Cameroon . 



