171. PSAMMOPHIS. 167 



adult, in the young with a yellowish streak along the frontal and 

 yellowish cross-bars behind ; yellowish white beneath, with a series 

 of olive or blackish dots or short streaks along each side. 



Total length 1300 millim. ; tail 370. 



South Africa ; Angola. 



o. t? (V. 161; 0, ?). Pretoria, Transvaal W. L. Distant, Esq. 



h, c. S (V. 159 ; C. 77) Port Natal. Mr. t! Ayres [C.l. 



& 2 (V. 153 ; 0. 94). 



d-e. Hgr. (V. 158 ; C. 91) Natal E. Howlett, Esq. 



&yg.(V. 153; 0.91). [P.]. 



/. cJ CV. 157 ; 0. 95)'. Port Elizabeth. Mr. Drege [P.]. 



g. Hgi-. (V. 162 ; C. 86). S. Africa. J. H. Gurney, Esq. 



[P.]. 



h. Yg. (V. 157 ; C. 70). Angola. Prof. Barboza du 



Bocage [P.]. 



13. Psammopliis elegans. 



Seba, Thes. ii. pi. Ix. fig. 1 (1735). 



Coluber elegans, Shaw, Zool. iii. p. 536 (1802). 



Maorosoma elegans, Leach, in Bowdich, Miss. Ashantee, p. 493 



(1819). 

 Psammophis elegans, Boie, Isis, 1827, p. 533 ; Schkg. Phys. Serp. ii. 



p. 216 (1837), and Abbild. p. 130, pi. xliii. figs. 15 & 16 (1844) ; 



mm. 8f Bibr. vii. p. 894 (1854) ; Gunth. Cat. p. 138 (1858) ; 



A. Sum. Arch. Mm. x. 1869, p. 208, pi. xvii. tig. 10; Boettg. 



Abh. Senck. Ges. xii. 1881, p. 895 ; F. Miill. Verh. Nat. Ges. 



Basel, vii. 1885, p. 687 ; Boideng. Proc. Zool. Soc. 1896, p. 539. 



Snout twice to twice and a half as long as the eye, obliquely 

 truncate at the end. Rostral a little broader than deep, scarcely 

 visible from above ; nostril between two shields ; internasals a little 

 longer than broad, about half as long as the prsefrontals ; frontal 

 twice as long as broad, narrower, in the middle, than the supra- 

 ocular, slightly longer than the prsefrontals, or as long as its 

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

 parietals; loreal three to .four times as long as deep; one prae- 

 ocular, usually not reaching the frontal ; two or three postoculars ; 

 temporals 2-1-2 or 3, rarely 14-2 ; nine upper labials, third deeper 

 than second and fourth, third, fourth, and fifth in contact with the 

 prseooular, fifth and sixth entering the eye ; five lower labials in 

 contact with the anterior chin-shields, which are shorter than the 

 posterior. Scales in 17 rows. Ventrals 179-202 ; anal divided ; 

 Bubcaudals 144-161. Yellow or pale olive above, with three longi- 

 tudinal bands, between black lines formed by black-edged scales, 

 the median band five scales wide, the outer narrower and extending 

 to the end of the snout after passing through the eyes ; head olive- 

 above, punctulated with black ; upper lip and sides of belly yellow, 

 the rest of the beUy olive, lineolated with black. 



Total length 1230 millim. ; tail 480. 



Senegambia and Guinea. 



