47 



covered with shields of a peculiar type. The rostral is 

 prolonged backward ; on either side of it, are four labials 

 and four large shields, the nasal, the fronto-nasal, the 

 preocular, the ocular ; behind it, are some small frontal and 

 supraciliary shields. The eye is rudimentary, often quite 

 invisible through the ocular shields. Mouth very inferior, 

 jaws hardly dilatable, no mental groove, a few maxillary 

 teeth only. Rudiments of hind limbs, not visible being 

 hidden beneath the skin. 



TYPHLINA, Wagler. 



Rostral large, rounded in front ; no preocular ; nostril 

 inferior. 



T. LINEATA, Boie. 



Scales 22. Transverse rows, 405. Length 18 in., diame- 

 ter ^^ (of length.) Reddish olive with numerous brown 

 lines ; snout and belly yellow. 

 Straits.* 



TYPHLOPS, Dum^ril and Bibron. 

 Rostral large, rounded in front ; nostril lateral. 



T. NiGKO-ALBUS, D. and B. 



Scales 26. Transverse rows, 326-353. Length 14 in., 

 diameter j\. Bluish black, belly yellowish. 

 Straits. 



T. HOESFiELDii, Gray. Plate VII, fig. 1. 



Similar to the preceding, but nasal and fronto-nasal united 

 above, and colour shading more gradually below. In Burma, 

 I have found a snake with the character of this species, but 

 colour pearl-grey above, white below. 



* When the Straits are mentioned as a habitat, they include 

 the Malayan Zoological province generally. 



