16 J.Anderson — Reptilian Accession to the Indian Museum. [No. 1, 



Oligodontid^: . 



Simotes semifasciatus, n. sp. 



Scales in 17 rows, occipital snture little more than half the 

 length of the vertical. Occipitals but little larger than the vertical, 

 rounded or obliquely truncated behind. Eight upper labials, the 

 4th and 5th entering the orbit. Loreal longer than high. Two 

 praaoculars and two postoculars. Temporals 1 + 2 or 1 + 1+ 2, 

 or 2 + 2 ; one only in contact with the postoculars, but when there 

 is a small anterior temporal, this shield is in contact with the two 

 postoculars. Upper postocular wedged in between the supraciliary 

 and the occipital Yentrals 181, 0. 34. Anal entire?* Length 

 8", 5'", tail 2", 3'", ventrals with an obtuse keel. Uniform brown 

 above, with 50 obscure, irregular, narrow, brocken, 'transverse, 

 black bands, formed by the black margin of the scales, not continued 

 on to the second row of scales. Under surface dull yellowish with 

 numerous quadrangular large black spots on the ventrals and cau- 

 dals, obscure on the anterior eighth of the body. All the scales 

 minutely punctulated with brown. 



Two specimens, Naga Hills, Assam. 



Coltjbrid^e. 



Zamenis Ladacensis, n. sp. 



Head rather long ; snout pointed, the rostral as broad as high, 

 pyramidal. Anterior frontals as broad as long, their greatest length 

 being from within outwards, about half the size of the posterior 

 frontals. Mesial suture of posterior frontals obliterated, but a 

 small portion of the united shield is separated on the right side ; 

 vertical much contracted in the middle, its anterior end broad. Oc- 

 cipitals proportionally larger, than in Z. fasciolatus, transversely 

 truncated behind. Loreal almost square. One large prseocular 

 reaching the vertical with a small detached piece below, separated 

 from the 3rd and 4th upper labials. Nine upper labials, the 4th 

 and 5th entering the orbit, the posterior upper extremity of the 

 latter prolonged up behind the orbit. The upper half of the 6th 

 distinct, but excluded from the orbit by the 5th. Two posterior 



* The snake has been cut open through the anal. 



