254 COLUBRID-K. 



2. Simophis rohdii. 

 Rhinaspis rohdei, Boettg. Zcitschr. f. Naturw. (4) iv. 1885, p/231. 



Distinguished from the preceding in having the rostral more 

 pointed behind, forming a right angle ; eight upper labials, fourth 

 and fifth entering the eye ; and scales in 17 rows. Ventrals 171 ; 

 anal divided ; subcaudals 67. Coloration same as in 5. rhinostoma. 



Total length 730 millim. ; tail 140. 



Paraguay. 



98. SCAPHIOPHIS. 

 Scaphiophis, Peters, Man. Berl. Ac. 1870, p. 644. 



Maxillary teeth very small, subequal, 12 or 13 on each side; 

 mandibular teeth small, subequal. Head short, rarely distinct from 

 neck, with broad, beak-shaped, hooked snout ; rostral very large, 

 with sharp horizontal edge, concave inferiorly ; nostril a curved 

 slit between two nasals ; a series of suboculars ; eye moderate, with 

 round pupil. Body elongate ; scales smooth, with apical pits, in 

 21 series or more ; ventrals rounded. Tail moderate or rather 

 short ; subcaudals in two rows, or the anterior single. 



Tropical Africa. 



1. Scaphiophis albopunctatus. 



Scaphiophis albopunctatus, Peters, Man. Berl. Ac. 1870, p. 645, 

 pi. i. fig. 4 ; Bocourt, Ann. Sc. Nat (6) ii. 1875, art. 3 ; Fischer, 

 Jahrb. Hamb. Wiss. Anst. ii. 1885, p. 100, pi. iii. fig. 6 ; Bocage, 

 Jorn. Sc. Lisb. xi. 1887, p. 195 ; Mocquard, Bull. Soc. Phitom. (7) 

 xi. 1887, p. 77. 



raffreyi, Bocourt, I. c. 



The upper surface of the rostral once and a half to twice as long 

 as its distance from the frontal ; internasals and praefrontals broad, 

 the former as long as or a little shorter than the latter ; frontal a 

 little longer than broad, nearly twice as broad as the supraocular ; 

 parietals broken up into four shields or more ; usually two small 

 superposed loreals ; one prae- and two postoculars ; three suboculars, 

 separating the eye from the labials ; temporals small, scale-like ; 

 five upper labials, fifth very long; a single pair of large chin- 

 shields, in contact with three lower labials on each side. Scales in 

 25 to 31 rows on the neck, 21 to 25 on the middle of the body. 

 Ventrals 210-240; anal divided; subcaudals 51-65. Pale brown 

 above, uniform or spotted with black, or with whitish dots ; lower 

 parts white. 



Total length 960 millim. ; tail 160. 



Tropical Africa, from the coast of Guinea and the Congo to the 

 Upper Nile and Abyssinia. 



a. <$ (Sc. 23 ; V. 214 ; Semraio, E. Central Herr F. BohndorfT 



C. 15). Africa. [C.]. 



