63. HERPETODRYAS. a 
1. Gonyophis margaritatus. 
Gonyosoma margaritatum, Peters, Mon. Berl. Ac. 1871, p. 578, a 
Ann, Mus. Genova, ili, 1872, p. 89, pl. v. fig. 3. 
Gonyophis margaritatus, Bouleng. Ann. § Mag. N. H. (6) viii. 1891, 
p- 290; Werner, Verh. zool.-bot. Ges. Wien, 1893, p. 357. 
Rostral broader than deep, just visible from above; internasals 
as long as broad, shorter than the prefrontals; frontal a little 
longer than broad, as long as its distance from the end of the snout, 
shorter than the parietals ; loreal longer than deep ; one preocular, 
not in contact with the frontal, or just touching ; two postoculars ; 
temporals 2+ 2; nine upper labials, fourth, fifth,.and sixth, or fifth 
and sixth, entering the eye; four or five lower labials in contact 
with the anterior chin-shields, which are as long as the posterior. 
Scales in 19 rows, feebly keeled. Ventrals 230-241; anal divided ; 
subcaudals 108-120. Black above, each scale with a yellowish- 
green spot, or green with black borders to the scales ; hinder part 
of body and tail with bright orange rings; lower parts yellowish, 
the shields with or without a black edge; a black streak on each 
side of the head behind the eye, and another along the suture 
between the parietals. 
Total length 1530 millim. ; tail 370. 
Borneo, Singapore. 
a. Yg.(V. 233; C.108). Mt. Dulit, Borneo. C. Hose, Esq. [C.}. 
63. HERPETODRYAS. 
Chironius, part., Fitz. NV. Class. Rept. p. 31 (1826). 
Erpetodryas, Bote, in Férussac, Bull. Sc. Nat. ix. 1826, p. 235, and 
Isis, 1827, p. 521. 
Herpetodryas, Wagl. Syst. Amph. p. 180 (1830); Cope, Proc. Ac. 
Philad, 1860, p. 562; Bocourt, Miss. Se. Mex., Rept. p.732 (1890). 
Macrops, Wagl. l.c. p. 182. 
Herpetodryas, part., Schleg. Phys. Serp. ii. p. 173 (1837); Dum. § 
Bibr. Erp. Gén. vil. p. 203 (1854) ; Giinth. Cat. Col. Sn. p. 115 
(1858). 
Dendrophis, part., Dum. § Bibr. t.c. p. 193. 
Phyllosira, Cope, Proc. Ac. Philad. 1862, p. 349. 
Fig. 5. 
WS 
LSAQy 
VMN 
VAT Ue 
Atl 
Cf 
Maxillary and mandible of Herpetodryas fuscus. 
Maxillary teeth 28 to 32, posterior largest, stouter if not longer 
than the rest; mandibular teeth subequal or decreasing in size 
