138 REPTILES. 



** Upper nasal slit sinuous and extending quite to the margin of 



the nasal. 



The Truncated Silver Snake. Argyrophis trimcatus. 



Greyisli green, opaque ; Lead rather truncated in front ; ros- 

 tral moderate, scarcely one third the width of the head, even-edged, 

 rounded above and contracted below; the central crown -shields 

 equal-sized, nearly as long as broad, the first and second rounded 

 and the third rather angular behind; tail'rather shorter than broad, 

 tapering, slightly incurved. 



a — c. In spirits. Philippines. From Mr. Cuming's collection. 



The Crenulated Silver Snake. Argyrophis Bramicus. 

 Eryx Bramicus, Baud. Rept. vii. 272. Tortrix Russelii, 3ferrem, 

 Tent. 84. Schlegel, Ahhild. 39. Punctulated Slow Worm, Shaw, 

 Hardiv. Icon. ined. B. M. Rept. t. 116, t. 117? Rondo Taloa- 

 too Pam, Russell, bid. Serp. t. 43. Cuv. R. A. ii. 73. 



Black or greyish black, rather paler beneath ; head regularly 

 rounded and pale in front ; rostral and nasal shields with a pale 

 crenulated submarginal edge, rostral oblong, scarcely one fourth 

 the width of the head, rounded above, contracted beneath; the 

 crown-shields equal, rather broad, rounded behind, the fourth 

 shield rather wider, the fifth longer than the other three. 



a. In spirits. Ceylon. Presented by Sir Joseph Banks, Bart. 

 b — d. In spirits. Bengal. Presented by Gen. Th. Hardwicke. 

 e,f. In spirits. Scales brown, with a white spot in front, and a 



veiy narrow dark edge. India, Presented by Sir James Mac 



Gregor. 

 g, h. In spirits. Scales blackish, with a lead-coloured spot in 



front. Philippines. From Mr. Cuming's collection. 

 i. In spirits. Black. Manilla. From Mr. Cuming's collection. 

 ;". In spirits. Grey brown. China. Presented by J. Reeves, Esq. 

 k, I. In spirits. Pale brown, bleached ? 

 m P In spirits. Head-shields with a broader white margin, the 



scales pale, hinder half brown. N.E. Australia. 



*** 



The Streaked Silver Snake. Argyrophis polygrammicus. 

 Typhlops polygrammicus, Schlegel, Ahhild. 40, t. 32, f. 35, 38. 



Pale yellow, with series of brown dots ; scales brown, pale- 

 edged; tail about as long as broad, incurved. 

 Inhab. Timor. Ley den Museum. 



