127. nurRostus.—128. myYRon. 19 
above, with darker spots ; a dark streak on each side of the head; 
passing through the eye; yellowish beneath, much spotted or 
marbled with blackish. 
Total length 660 millim.; tail 120. 
Philippine Islands. 
a-b. 9 (V. 165, 163; C. 61, 57). Philippines. H. Cuming, Esq. [C.]. 
127. EUROSTUS. 
Eurostus part., Dum. § Bibr. Mém. Ac. Se. xxiii. 1853, p. 498, and 
Erp. Gén. vii. p. 951 (1854). : 
Hypsirhina, part., Jan, Arch. Zool. Anat: Phys. iii. 1865, p. 258. 
Maxillary teeth 13 or 14, followed, after an interspace, by a pair 
of enlarged, grooved teeth. Head small, scarcely distinct from neck ; 
eye small, with round (?) pupil; head-shields large; nasal semi- 
divided, the cleft extending from the nostril to the internasal, in 
contact behind the rostral; internasals distinct; loreal present. 
Body cylindrical ; scales smooth, without pits, in 27 to 31 rows; 
ventrals narrow. Tail moderate or short ; subcaudals in two rows. 
Bengal ? 
1. Eurostus dussumieri. 
Eurostus dussumierl, Dum. § Bibr. vii: p. 953, pl. Ixxxiv. fig. 1 
(1854), 
Hypsirhina dussumieri, Jan. Elenco, p. 78 (1863), Arch. Zool. Anat. 
Phys. iii. 1865, p. 260, and Icon. Gén. 30, pl. iii. fig. 1 (1868). 
Rostral broader than deep; internasals broader than long, behind 
the nasals; frontal once and a half to once and two thirds as long 
as broad, as long as its distance from the end of the snout, a little 
shorter than the parietals; loreal nearly as deep as long; one pre- 
and two postoculars; temporals 1+2; eight upper labials, fourth 
entering the eye; chin-shields small. Scales in 27 to 31 rows. 
Ventrals 144-148; anal divided; subcaudals 28-34. Pale brown 
above, with three blackish stripes ; ventrals and subcaudals whitish, 
with a median series of small black spots which may be confluent 
into a streak. 
Total length 673 millim. ; tail 71. 
Bengal ? 
128. MYRON. 
Myron, part., Gray, Cat. Sn. p. 70 (1849). 
Neospades, De Vis, Proc. R. Soc. Queensl, vi. 1889, p. 288. 
Maxillary teeth about 10, followed, after a short interspace, by a 
pair of enlarged, grooved teeth ; anterior mandibular teeth longest. 
Head small, not or but slightly distinct from neck ; eye very small, 
with vertically elliptic pupil; head-shields large; nasal semi- 
divided, the cleft extending from the nostril to the first or second 
labial ; a single internasal, separating the nasals; loreal present. 
Body cylindrical; scales striated and keeled, without pits, in 21 
eZ 
