LIZARDS. 



137 



Horsfield's Silver Snake. Argyrophis Horsfieldii. 



Black, greyish beneath, the colours gradually passing into each 

 other ; scales with a subterrainal white cross hand ; the central 

 crown-shields equal, 6-sided, small, loimded behind; rostral shield 

 even-edged, about one fourth the width of the head, rounded 

 above, rather contracted beneath ; tail shorter than its breadth. 



a. In spirits. Khassia, Hill. Presented by the India Company. 



The Yellowish Silver S^AKE. Argyrophis vermicularis. 

 Anguis lumbricalis, Baud. Rept. vii. 308, (not Linn.) Cuv. R. A. 

 ii. 74. Le Lombric, Lacep. Q. O. ii. 355, t. 20, /. 1. Anguis 

 vermicularis, Merrem, Si/si. 158. Bonap. Act. Torin, ii. 427. Ty- 

 phlops flavescens, Bibron, Voy. Morea, 72, t. 14, f. 3. Schlec/el, 

 Ahhild. 37. 



Pale yellowish brown, head uniform brighter brown, with very 

 minute distant tubercles ; rostral oblong, even-edged, about half 

 the width of the head, contracted below; the central crown-shields 

 6-sided, nearly of the same width, rather angular behind, the fii-st 

 rather the largest ; tail short, about as long as broad, apex slightly 

 incurved. 



a. In spirits. Bay of Salamis. Presented by Lieut. John Ince, 

 R.N. 



The Demerara Silver Snake. Argyrophis reticulatus. An- 

 guis reticulata, Linn. S. N. i. 391. Scheuch. P. Sacra, iv. t. 747, 

 /. 4. Seba, i. t. 86,/. 2. ii. t. 6, f. 4. t. 7,f. 4. Typhlops crocota- 

 tus, Schn. Amph. ii. 325. Le rezeau, Lacep. Q. O. ii. 446. E. M. 

 t. 31,/. 4. A. rostralis, Weigm. Berlin Naturf. iii. 190. Merrem, 

 Tent. 159. A. nasuta, Shatv, Zool. iii. 587? A. rostratus, Latr. 

 Rept. iv. 223? T. lumbricalis, Schlegel, Abbild. 35, t. 32, f. 1—4. 



Reddish brown ; scales rather paler edged, especially those on 

 the sides, beneath paler; head-shields brown, with broad pale edg- 

 es ; rostral oblong, even-edged, about one fourth the width of the 

 head, rounded above, with a broad erect club-shaped white mark 

 on each side, contracted below ; the first central crown-shield as 

 long as wide, rather angular behind, the second and third shorter, 

 slightly truncated behind, the third the widest of the three ; tail 

 much shorter than broad, tapering, with a rather elongate termi- 

 nal spine. 



a. In spirits. Demerara. Presented by Dr. Hancock. 



The Brow^nish Silver Snake. Argyrophis lumbricalis. An- 

 guis lumbricalis, Linn. S. N. i. 391. Silver Snake, Brown, Jam. 

 460, t. 44, f. 1. A. Jamaicensis, Shaw, Zool. iii. 588, (not figure). 

 Typhlops Cubge, Bibron. Sagra, Cuba, 204, t. 22 ? Le Lombric, 

 Daub. Q. O. 648 ? T. cinereus, Guerin, Icon. Rept. t. 18,/. 2 ?? 

 ^ Brown, beneath greyish white; the body very slender in front ; 

 tail rather longer than wide, rather blunt. 



Inhab. Jamaica, Cuba. n 3 



