254 COLTJBRID.'E. 



2. Simophis rohdii. 



Rhinaspis rolidei, Boetty. Zeitschr. f. Katuno. (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 /S. rliinostoma. 



Total length 730 millim. ; tail 140. 



Paraguay. 



98. SCAPHIOPHIS. 



Scaphiopbis, Peters, Mon. Berl. Ac. 1870, p. G44. 



Maxillary teeth very small, snbequal, 12 or 1.3 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 interiorly ; 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. 



Scaphiopbis albopunctatus, Peters, Mon. Berl. Ac. 1870, p. 64-5, 

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

 Jahrh. Hamb. Wiss. Anst. ii. 1885, p. 100, pi. iii. fig. 6 ; Boeage, 

 Jorn. Sc. Lisb. xi. 1887, p. 195; Mocquard, Bull. Soc. Philom. (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 prefrontals 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 prse- and two postoculars ; three suboculars, 

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

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

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

 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. 



«. S (Sc. 23 ; V. 214 : Remmio, E. Central Herr F. BoIiikIovIT 



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



