44. BooDON. 331 



4. Boodon virgatus. 



CcBlopeltis virgata, Hallow. Proc. Ac. Fhilad. 1854, p. 98. 



Bossdon nigrum, Fischer, Abh. natuno. Ver. Hamb. iii. 1856, p. 91, 



pi. iii. fig. 2 ; A. Bum. Arch. Mus. x. 1859, p. 194, pL xvii. fig. 2 ; 



Jan, Icon. G6n. 36, p]. ii. fig. 5 (1870). 



quadrivirgatum, Sallow. Proc. Ac. Philad. 1837, p. 56. 



Boodon geometricus, part., Giinth. Cat. p. 198 (1858). 



virgatus, Cope, Proc. Ac. Philad. 18(30, p. 261 ; Bouleng. Ann. 



Mus. Geneva, (2) xii. 1891, p. 14. 



lineatus, var. nigra, Boettg. Ber. Senck. Ges. 1887-88, p. 71. 



ventralis, Giinth. Ann. ^- Mag. N. H. (6) i. 1888, p. 329, 



pi. xviii. fig, A. 



Eye moderate. Eostral broader than deep, just visible from 

 above ; internasals about half as long as the prssfrontals ; frontal 

 once and a halt to once and two thirds as long as broad, as long as 

 or a little longer than its distance from the end of the snout, a little 

 shorter than the parietals ; loreal longer than deep ; one or two 

 prseoculars, extending to the upper surface of the head and usuallj' 

 in contact with the frontal; two postoculars; temporals 1 + 2; 

 eight upper labials, fourth and fifth entering the eye ; four lower 

 labials in contact with the anterior chin-shields, which are a little 

 longer than the posterior. Scales in 23 rows. Ventrala 186-212 ; 

 anal entire ; subcaudals 47—61. Uniform blackish brown, except 

 the middle line of the belly, which is yellowish ; two yellowish 

 lines on each side of the head, the lower passing through the eye. 



Total length 850 miUim. ; tail 120. 



West Africa. 



a, h. <S (V. 194 ; C. 59) & Old Calabar. — Logan, Esq. \ 



$ (V. 205; C. 52). [P.]. 



c. Yg. (V. 186; 0. 61). Old Calabar. 



d. S (V. 202 ; 0. ?). Ashantee. 



e. Yg. (V. 190 ; C. 56). Interior of Ashantee. ^ ^ 

 /.Hgr.cJ(V. 206; 0.57). W. Africa. J. C, Salmon, ' 



g. S (V. 200 ; C. 61). W. Africa. 



Esq. [P.]. 





5. Boodon gnttatus. 



Lycodon guttatus. Smith, III. Zool. 8. Afr., Rept. pi. xxiii. (1843). 

 Alopecion annulifer. Bum. Sf Bibr. vii. p. 416 (1854) * ; Giinth. Cat. 



p. 196 (1858). 

 Boodon guttatus, Bouleng. Ann. Mus. Genova, (2) xii. 1891, p. 14. 



Snout rather prominent, the rostral well visible from above ; 

 internasals much shorter than the prssfrontals ; frontal once and a 

 half as long as broad ; loreal trapezoid, elongate; one prae- and two 

 postoculars; temporals 1+2: nine upper labials, two entering the 

 eye. Scales in 28 rows. Ventrals 196 ; anal entire ; subcaudals 



* Smith's and Dum^ril and Bibron's descriptions appear to mo to be drawn 

 up from the same specimen. 



