SNAKES. Bars: 
b. Head ovate, rounded on the sides, crown entirely shielded : 
nostrils between two plates; tail end simple ; subcaudal 
plates two-rowed. Sepedonina. 
7. SepeDON. Scales keeled; loreal shields none; one anterior and 
three posterior ocular shields ; subcaudal shields two-rowed. 
c. Head depressed, shielded, prominent over the eyes ; nostrils 
between two shields; tail ending in a recurved spine ; 
subcaudal plates one-rowed. Acanthophina. 
8. AcantHopuis. Head-shield rather scale-like ; loreal none. 
I. Head dilated, depressed, covered with acutely keeled scales, rounded 
on the sides. 
a. Nostrils large, subsuperior, anterior, in the centre of a ring-like 
shield, edged with a large scale above. Clothonina. 
1. Dapota. 
Eyes convex, pupil round: head elongate; scales regularly 
keeled; nasal shield smooth in front; superciliary shield narrow, 
elongate, distinct. India. 
Daboia, Gray, Zool. Misc. 69, 1842. Vipera, 8., Wagler, Syst. 
or ® 
1. The Karuxa. Daboia elegaus, Gray, Zool. Mise. 69. Ka- 
tuka retuka poda, Russell, Ind. Serp. i. 10, t. 7. Coluber Russellii, 
Shaw, Zool, iii. 418, t. 108. Vipera elegans, Daud. Rept. vi. 124, 
t. 73. Schlegel, Phys. Serp. 588, t. 21, f.4,5. Echidna elegans, 
Merrem, Tent. 152. Coluber trinoculus, Schneid. in Bechst. Lacep. 
iv. 248. Col. triseriatus, Herm. Obs. Z. i. 278. Tic polonga, Davy, 
Ceylon, 85. Daboie, Lacep. Quad. Ovip. ii. 255, t. 13, f. 2.  Vi- 
pera Daboya, Daud. Rept. vi. 119. Wagler, Amph. 177. Echidna 
Daboia, Merrem, Tent. 152. Coluber Brasiliensis, Lacep. Quad. 
Ovip. ii. 119, t. 4, f.2. Vipera brasiliana, Latr. Rept. iv.7. Daud. 
Rept. vi. 86. ? V. arenicola, 4. Smith, Cat. Rept. 
Brown, with three rows of white-edged, oblong, brown spots; 
two brown spots on each side of the occiput, separated by a narrow, 
oblique, yellow, temporal streak. 
