130. PORDONIA, 21 



Campylodon prevostianum, Dum. ^ Bibr. vii. p. 964 (1854) ; Jan, 



Arch. Zool. Anat. Phys. iii. 1865, p. 263, and Icon. Gen. 30, pi. yi. 



fig. 3 (1868) ; F. Mull. Verh. Nat. Oes. Basel, vii. 1885, p. 700. 

 Heleophis flavescens, F. Miill. Verh. Nat. Ges. Basel, vii. 1884, p. 286, 



pi V. fig. 2. 

 Gerardia preyostiana, Bouleng. Faun. Ind., Jtepf. p. 379 (1890) ; 



Haly, Journ. As. Soe. Ceyl. xi. 1892, p. 197. 



Eostral broader than deep; frontal a little longer than broad, 

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

 shorter than the parietals ; loreal slightly longer than deep, a little 

 smaller than the nasal ; one prsB- and two postoculars j temporals 

 1 +2 or 3 ; eight upper labials, fourtll entering the eye ; four lower 

 labials in contact with the anterior chin-shields, which are much 

 larger than the posterior. Scales in 17 rows. Ventrals 146-148 ; 

 anal divided ; subcaudals 31-34. Uniform dark olive or grey 

 above ; three outer series of scales white ; upper lip white, rostral 

 dark olive ; ventrals and subcaudals grey or whitish, with dark 

 edges. 



Total length 520 millim. ; tail 65. 



Coasts of India, Ceylon, and Burma. 



a. 3 (V. 154 ; C. 33). Bandora, Bombay Coast. H. M. Phipson, Esq. 



[P.]. 

 b-e. d (V. 153, 148; Bassein R., Pegu. "W. Theobald, Esq. 



C. 33, 34). [C.]. 



d. S (V. 146 ; C. 33). ? (Type of G. bicolor.) 



130. FORDONIA. 



Homalopsis, part., Schleg. Phys. Serp. ii. p. 332 (1837). 



Fordonia, Gray, Zool. Misc. p. 67 (1842), and Cat. Sn. p. 76 (1849) ; 



Giinth. Rept. Brit. Ind. p. 277 (1864) ; Bouleng. Faun. Ind., Rept. 



p. 378 (1890). 

 Heiniodontus, Dum. <§■ Bibr. M4m. Ac. So. xxiii. 1853, p. 494, and 



Erp. Gin. vii. p. 882 (1854). 

 Hemiodontus, part, Jan, Arch. Zool. Anat. Phys. iii. 1865, p. 263. 



Maxillary teeth small, 7 or 8, followed by two enlarged grooved 

 teeth ; mandibular teeth subequal. Head small, not distinct from 

 neck ; eye very small, with vertically elliptic pupil ; head-shields 

 large ; nostril in an undivided or semidivided nasal ; a single inter- 

 nasal, separating the nasals ; no loreal. Body cylindrical ; scales 

 smooth, without pits, in 25 to 29 rows ; ventrals rounded. Tail 

 short ; subcaudals all or part in two rows. 



From Burma and Cochinchina to New Guinea and North 

 Australia. 



1. Fordonia leucobalia. 



Homalopsis leucobalia, Schleg. Phys. Serp. ii. p. 345, pi. xiii. figs. 8 & 9 

 (1837) ; Schleg. ^ Mull. Verh. Nat. Nederl. Overz. Bezitt, Rept. 

 p. 61, pi. viii. (1844) ; Cantor, Cat. Mai. Rept. p. 102, pi. xl. fig. 5 

 (1847). 



