127. BTJEOSTUS. 128. MTRON. 19 



above, with darker spots ; a dark streak on each side of the heads 

 passing through the eye; yellowish beneath, much spotted or 

 marbled with blackish. 



Total length 660 millim. ; tail 120. 



Philippine Islands. 



a-b. 2 (V. 165, 163 ; C. 61, 57). Philippines. H. Cuming, Esq. [0.]. 



127. EUEOSTUS. 



Eurostus part., Bum. ^ Bibr. MSm. Ac. So. xxiii. 1853, p. 498, and 



Erp. Gin. vii. p. 951 (1854). 

 Hypsh-hina, 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; intern asals 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 dussumieri, Dum. 8f Bibr. vii. p. 953, pi. Ixxxiv. fig. 1 



(1854). 

 Hypsirhina dussumieri, Jan. Elenco, p. 78 (1863), Arch. Zool. Anat. 



Phys. iii. 1865, p. 260, and Icon. G4n. 30, pi. iii. fig. 1 (1868). 



Eostral 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 prae- 

 and two postoculars ; temporals 1 -f 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. 



Tot9,l length 673 millim. ; tail 71. 



Bengal? 



128. MYRON. 



Myron, part., Gray, Cat. 8n. p. 70 (1849). 



Neospades, Be Vis, Proo. R. Sac. Queensl. vi. 1889, p. 5338. 



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 



c 2 



