10. TROPIDONOTTJS. 247 



to 160 ( cJ ). Tail of female one third total length, of male two fifths. 

 Back blackish or dark grey, with scalloped edges ; a short yellowish 

 streak may be present on the middle of the nape ; iippcr lip yellow, 

 edged' with black above ; one or two more or less distinct black 

 streaks along each side of the body and tail ; belly black, separated 

 from the lateral streak by a yellowish interspace or streak ; lower 

 surface of tail black in the type specimen, yellow in the specimen 

 in the Collection. 



Total length 630 millim. ; tail 210. 



Madagascar. 



a. $ (V. 148'; C. 97). East Imerina. Rev. R. Baron [C.]. 



50. Tropidonotns stumpffii. 



Leptophis lateralis, part., Dum. Sf Bihr. vii. p. 544 (1854). 

 Thamnosophis lateralis, Jan, Icon. G6n. A^, pi. ii. fig. 2 (1879). 

 Dromicus stumpffi, Boettg. Zool. Anz. 1881, p. 358, and Abh. Senck, 



Ges. xii. 1881, p. 441, ])]. i. %. 2. 

 Ptyas infrasignatus, Giinth. Ann. Sf Mag. N. H. (5) ix. 1882, p. 263, 



fig., and (6) v. 1890, p. 70. 

 Dromicus baroni, Bouleny. Ann. 8f Mag. N. H. (6) i. 1888, p. 104, 



pi. V. fig. 5. 



Eye large. Rostral broader than deep, just visible from above ; 

 internasals shorter than the prajfrontals ; frontal once and a half 

 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 as 

 deep as long or a little deeper than long ; one prseocular (nearly 

 divided) not touching the frontal ; two postoculars ; temporals 

 2 + 2 ; eight upper labials, fourth and fifth entering the eye; four 

 or five lower labials in contact with the anterior chin-shields, which 

 are much shorter than the posterior. Scales smooth, in 19 rows. 

 Yentrals 147-169 ; anal divided ; subcaudals 68-104. Olive or 

 dark brown above, some of the scales with dark and light edges ; 

 usually two more or less distinct light streaks along the anterior 

 portion of the body ; upper lip yellowish ; a black streak from the 

 eye to the angle of the mouth ; lower parts yellowish, uniform or 

 with black spots, which may be confluent into three longitudinal 

 streaks. 



Total length 940 millim. ; tail 210. 



Madagascar. 



a. Yg. (V. 150 ; C. 96). Nossi B6. Senckenberg Mus. [E.]. 



(As typical of D. stumpffi.) 



b-d. 2 (V. 157, 155, Ankafana, Betsileo. Rev. W. D. Cowan 



158; C. ?, 71, 68). [C.]. (Types of P. 



infrasiqnatus.) 

 e. $ (V. 151 ; C. 70). Madagascar. Rev. R. Baron [C.]. 



(Type of D. baroni.) 

 f-g. Hgr. S (V. 167, T'lmatave. M. Majastre [C.]. 



169 ; C. 104, 100). 



