332 COLUBEID^, 



72. Yellowish brown above, with several rows of reddish-brown 

 spots with umber-brown borders, the two rows of spots along the 

 middle of tbe back almost circular and largest ; a dark brown 

 blotch on each side of the back of tbe head, and a pair of dark 

 longitudinal streaks on the nape ; underparts pale yellow. 



Total length 402 millim. ; tail 87. 



Interior of South Africa. 



(I. Boodon lineatus. 



Lycodon geometricus (7ion Svhleg.), S?nith, III. Zool. S. Afr., Hept. 



pi. xxii. (1843). 

 Bosedon lineatum, Dum. ^ Bihr. vii. p. 363 (1854) ; Giinth. Cat. 



p. 200 (1858); Boulemj. Zooloqist, 1887, p. 178; Boettg. Ber. 



Ofenb. Vei: Nat. 24-25, 1885, p. 184, and Ber. Senck. Ges. 1887- 



88, p. 69, and 1889, p. 294; Boulrmj. Ann. Mus. Genova, (2) xii. 



1891, p. 13 ; Bedriuffa, Amph. et Rept. I. de Guince {Istituto, 



xxxix.), p. 32 (1892). 

 capense, Dum. 8^- Bibr. vii. p. 364 ; A. Dam. Arch. Mus. x. 



1859, p. 194, pi. xvii. tig. 3. 



quadrivittatuni, Halloio. Proc. Ac. F/iilad. 1857, p. 54. 



qiiadrilineatum, A. Dinn. I. c. p. 193, fig. 4 ; Jan, Icon. Gen. 



36, pi. ii. figs. 2 & 3 (1870) ; Peters, lieise n. Mossamb. iii. p. 133 



(1882). 

 Alopecion variegatuta, Bocac/e, Jurn. Sc. Lish, i. 1867, p. 230 ; 



Giinth. Zool. Rec. 1867, p. 141. 

 Boodon geometricura, Bocage, Jorn. Sc. Lisb. xi. 1887, p. 199. 

 ■ biprfeocularis, Giinth. Ami. ^ Macj. N. H. (0) i. 1888, p. 330, 



pi. xviii. fig. B. 



Eye rather small. Rostral broader than deep, just visible from 

 above ; internasals shorter than the pra'f rentals ; fi-ontal once and a 

 half to twice as long as broad, as long as or a little longer than its 

 distance from the end of the snout, as long as or shorter than the 

 parietals ; latter shields longer than the distance between the 

 frontal and the end of the snout ; loreal longer than deep ; one or 

 two prseoculars, extending to the upper surface of the head and 

 frequently in contact with the frontal ; two postoculars ; temporals 

 1 + 2; eight upper labials, fourth and fifth (rarely also third) 

 entering the eye ; three or four lower labials in contact with the 

 anterior chin-shields, which are as long as the posterior, or a little 

 longer. Scales in 25 to 31 rows. Ventrals 192-237 ; anal entire; 

 subcaudals 47-70. Brown above, uniform or variegated with 

 yellowish, with or without a yellow lateral streak ; side of head 

 light, the brown of the upper surface ending in a point on the 

 snout, with a dark brown lateral streak passing through the eye, 

 and brown spots on the labials, or head dark brown with two more 

 or less distinct light lines on each side ; lower parts yellowish. 



Total length 870 millim. ; tail 110. 



Tropical and South Africa. 



