Zoolo(jkal Miscellany , 
69 
Fam. III. — ViPERiD^. Face without any suhorbital pit on the side: 
upper jaws toothless, with fangs in front : rostral shields broad, band-like. 
1. Head 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. 
I. Daboia. Eyes convex, pupil round : head elongate; scales regularly 
keeled ; nasal shield smooth in front. India. 
1. Daboia elegans. Vipera Daboia, Baud. V. elegans, Merrem, Schle- 
gel, 588, t. 21, fig. 4, 5. Col. Russelii, Shaw &c. Russel, Ind. Serp. t. 7. 
Col. trinoculus, Schneid. 
Inhabits India. Brit. Mus. 
2. Daboia Russelii, n. s. Russel, Ind. Serp. t. 32. 
Inhabits India. Brit. Mus. 
3. Daboia pulchella. Gray. Yellow brown ; back with 3 rows of round- 
ish spots, pale spotted on the edge, the front and hinder spots elongate, 
sometimes confluent ; head black brown, with a line over each eye, a broad 
cross-like mark on the crown and a spot before each eye : chin and beneath 
white, brown spotted. 
Inhabits Ceylon. United Service Museum. 
II. Clotho, Wagler, (part). Eyes convex, pupil oblong, erect : head 
short, broad : keel of scales ending in a spine : nasal shield interrupted by 
a small shield in front. Africa. 
* Scales over the nostril produced into a long recurved spine. 
1. Clotho nasicornis. Coluber nasicornis, Shaw, Misc. t. 94. 
Inhabits Guinea. Brit. Mus. Two specimens. 
Schlegel (583, note), with his usual facility of giving an opinion on a 
specimen which he had not seen, thought this might be a monstrosity of 
Cerastes cornuta, hut it has no affinity with that genus even. 
Scales over the nostril simple, ring -like. (Bitis). 
2. Clotho arietans. Echidna arietans, Merrem. Col. Bitis, Bonat. Vi- 
pera inflata, Burchel. V. brachyura, Cuv. Wagler, Amp. t. 11. V. arie- 
tans, Schlegel, 577, t. 21, fig. 2, 3. Cobra Clotho & Cobra Lachesis, Laur. 
Seha, ii. t. 30, fig. 1, t. 54, fig. 1. 
Inhabits Africa; Cape of Good Hope: called Pof -adder. Brit. Mus. 
3. Clotho lateristriga. Grey brown, black spotted, with black-edged, 
white, angular hands across the back, and spots on the tail, with a broad, 
longitudinal pale streak on each side the neck, bent up behind, and form- 
ing the first band on the front of the hack : head black spotted, 2 black 
spots on the crown and a black streak from the hack angle of each eye to 
the gape. 
Inhabits Gambia. Brit. Mus. 
4. Clotho Atropos. Col. Atropos, Merrem. Vipera montana, A. Smith. 
V. Atropos, Schlegel, 581, t. 21, fig. 6, 7. 
Inhabits Cape of Good Hope, in the mountains: called Berg-addei\^^ 
Brit. Mus. 
