248 COllTBRIDJE. 



h-i. Hgr. S (V. 168 ; Sahambendrana, M. Majastre [C.]. 



C. 90) & 2 (V. 160 ; 0. Madagascar. 



C. 91). 

 k-m. S (V. 147, 148 ; Imeriua. Rev. R. Baron [C.]. 



0. 75, 73) & $ 



(V. 151 ; C. ?). 



51. Tropidonotus lateralis. 



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

 Dromicus melanotus, var. ?, Giinth. Cat. p. 133 (1858). 

 Thamnosophis lateralis, part., Jan, FJenco, p. 82 (1863). 

 Dromicus madagascariensis, Giinth. Ann. Sf Mag. N. H. (4) ix. 1872, 



p. 22. 

 Ahsetulla lateralis, Boettg. Abh. Senck. Ges. xi. 1877, p. 33. 

 Philothamnus lateralis, Boettg. Abh. Senck. Ges. xii. 1881, p. 526. j 



Closely allied to the preceding, but eye not quite so largo and 

 frontal longer, ouce and two thirds to twice as long as broad; 

 temporals 2 + 2, rarely 1+2. Dark brown or blackish above, with 

 a white lateral stripe extending to the end of the tail ; iipper lip and 

 lower parts white, with a black dot at the outer end of each ventral 

 shield; belly rarely speckled with black. 



Total length 570 millim. ; tail 165. 



Madagascar. 



a, h. S (V. 158 ; C. 93) & $ Madagascar. (Types of D. onada- 



(V. 168 ; C. ?). gascariensis.) 



c, d. S (V. 165 ; C. ?) & 2 Madagascar. Rev. R. Baron [C.]. 



(V. 151 ; C. 78). 



e-f, J (V. 156 ; C. ?) & $ East Imerina. Rev. R. Baron [C.]. 



(V. 162 ; C. ?). 



g. S (V. 149; C. 91). ? Zoological Society. 



52. Tropidonotus platyceps. 



Tropidonotus platyceps, Blgth, Journ. As, Soc. Beng. xxiii. 1854, 



p. 297 ; Giinth. Proc. Zool. Soc. 1860, p. 162, and Rept. Brit. Ind. 



p. 264, pi. xxii. fig. D (1864) ; Stoliczka, Journ. As. Soc. Benq. 



xxxix. 1870, p. 191 ; Anders. Proc. Zool. Soc. 1871, p. 176; Theob. 



Cat. Rept. Brit. Ind. p. 174 (1876) ; Bouleng. Faun. Ind., Rept. 



p. 343 (1890). 

 Herpetoreas sieboldii, Giinth. II. cc. pp. 156, 257 ; Theob. Cat. Rept. 



As. Soc. Mus. p. 64 (1868), a7id Cat. Rept. Brit. Ind. p. 172 (1876). 

 Zameuis himalayaniis, Steind. Sitzb. zool.-bot. Ges. Wien, xvii. 1867, 



p. 513, pi. xiii. fig. 1. 



Eye moderate. Rostral broader than deep, just visible from 

 above ; internasals as long as broad or a little broader, shorter than 

 the prsefrontals ; frontal once and a half to twice as long as broad, 

 longer than its distance from the end of the snout, shorter than the 

 parietals ; loreal longer than deep ; one praeocular (sometimes 

 divided); two or three postoculars ; temporals 1 + 1, or 1 + 2, or 

 2 + 2 ; eight upper labials, third, 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 in 19 rows, 



