302 COLTJBEID^. 



hexagonal, once and one third as long as broad, longer than, its 

 distance from the end of the snout, slightly shorter than the 

 parietals, which are squarely truncate behind ; nasal large, twice as 

 long as deep, divided below the nostril, forming a suture with the 

 single praeocular ; two postoculars ; temporals 1 + 1, first small, 

 second large ; five upper labials, third entering the eye ; anterior 

 chin-shields a little longer than the posterior, in contact with the 

 symphysial and three lower labials. Scales in 15 rows. Ventrals 

 125 ; anal entire ; subcaudals 31, fourth and fifth, and eighth to 

 seventeenth entire, the rest in pairs. Dark purplish brown above, 

 with two series of small black spots, grey on the sides ; whitish 

 beneath, speckled with brown. 



Total length 245 millim. ; tail 30. ' 



Mountains of Burma. 



a. c? (V. 125; C. 31). Toungyi, Shan States, Lieut. Blakeway [0.]. 

 5000 feet. 



27. OXYEHABDIUM. 



Stenognathus (non Chavd.), Bum. 8/- Bibr. Erp. Gen. yii. p. 503 



(1854) ; Jan, Arch. Zool. Anat. Pht/s. ii. 1862, p. 28. 

 Rhabdosoma, part., Oiinth. Cat. Col. Sn. p. 10 (1858). 



Maxillary teeth 30 to 35, small, equal ; mandibular teeth equal. 

 Head not distinct from neck ; eye small, with vertically subelliptic 

 pupil ; nostril pierced between two small nasals ; a pair of small 

 internasals ; no praeocular ; loreal and prsefrontal entering the eye. 

 Body cylindrical ; scales smooth, in 15 rows, without apical pits ; 

 ventrals rounded. Tail moderate, subcaudals in two rows. Hypa- 

 pophyses developed throughout the vertebral column. 



Philippine Islands. 



1. Ozyrhalbdium modestnm. 



Stenognathus modestus, Dum. ^ Bibr. vii. p. 504 (1854) ; Peters, 

 Mon. Berl. Ac. 1861, p. 684 ; Jan, Arch. Zool. Anat. Phys. ii. 1862, 

 p. 28, and Icon. OH. 13, pi. i. fig. 3 (1865). 



Khabdosoma leporinum, part., Oiinth. Cat. p. 12 (1858). 



Stenognathus modestus, part., Oiinth. Proc. Zool. 8oc. 1873, p. 169. 



Rhabdosoma modestum, part., Oiinth. Proc. Zool. Soc. 1879, p. 77. 



Geophis sohadenbergi, P'ischer, Jahrb. Wiss. Anst. Hamh. ii. 1885, 

 p. 93, pi. iii. fig. 4. 



- — modestus, part., Boettg. Ber. Senckenb. Oes. 1886, p. 106. 



Snout obtusely pointed ; rostral small, a little deeper than broad, 

 just visible from above ; suture between the internasals one third or 

 one fourth the length of that between the prsefrontals ; frontal much 

 longer than broad, as long as its distance from the end of the snout, 

 shorter than the parietals, about twice as broad as the supraocular ; 

 two postoculars ; temporals 1 + 2 ; eight upper labials, four anterior 

 small, fifth and sixth entering the eye, eighth very large ; five or four 



