SNAKES OF WEST AFRICA. 277 



5. BOTHROLYCUS. 



Giintb. P. Z. S. 1874, p. 444 ; Bouleng. Cat. Sn. i. p. 325. 



1. BoTHROLYcus ATER Giiufcli. ].c. pi. Ivii. fig. B; Bouleng 

 t. c. p. 326. 



Pseudohoodon alhojninctatus Anderss. Bih. Svensk. Ak. xxvii. 

 iv. no. 5, 1901, p. 6, pi. i. figs. 2-4. 



Pseudohoodon brevicaudatus Anderss. t. c. p-. 8. 

 Cameroon, Fernando Po, Ituri. 



6. BOODON. 



Diim. & Bibr. Mem. Ac. Sc. xxiii. 1853, p. 460; Bouleng. Cat. 

 Sn. i. p. 327. 



Synopsis of the S2)ecies. 



I. Subcaudals in two rows. 



A. Scales ill 23 (very rarely 25) rows; belly blacldsli brown 



with the middle line yellowish B. virgatus. 



B. Scales in 25 to 33 rows. 



Parietal shields longer than distance between frontal and end of 



snout; 2 (very rarely 3) upper labials entering the eye S. lineatus. 



Parietal shields longer than distance between frontal and end of 



_ snout; 3 upper labials entering the eye B. bedriaga. 



Parietal shields as long as distance between frontal and end of snout. B.fidiginosus. 



IF. Subcaudals single; scales in 25 to 29 rows B. olivaceus. 



1 . BOODON VIRGATUS. 



CeelopeUis virgcUa Hallow. Proc. Ac. Philad. 1854, p. 98. 

 Boodoii virgahts Bouleng. t. c. p. 331. 

 Gold Coast to Calabar; East Africa (?). 



2. BooDOX LINEATUS Dum. &, Bibr. Erp. Gen. vii. p. 363; 

 Bouleng. t. c. p. 332. 



Tropical and Soutli Africa and South Arabia. 



3. BooDON BEDRiAG.E Bouleng. Ann. Mus. Genova, (3) ii. 1906, 

 p. 211. 



S. Thome and Prince's Id., Gulf of Guinea. 



4. BoODON FULIGIXOSUS. 



Lycodon fidiginosus Boie, Isis, 1827, p. 551. 



Boodon fuliginosus Bouleng. t. c. p. 334. 



Mauritania to N. Nigeria, eastwards to the Egyptian Soudan. 



5. Boodon olivaceus. 



Holm'opjiolis olivaceus A. Dum. Rev. et Mag. Zool. 1856, p. 466 

 Boodon olivaceus Boule}ig. t. c. p. 335. 



'\\''est and Central Africa, from Nigeria and Uganda to the 

 Congo. 



20* 



