OCR Text |
Show 1878.] N E W INDIAN SNAKES. 801 in which are often ocellated white spots ; sides with yellow blotches : abdominals dark brown. Hab. Sirumullay hills (Madura district), 5500 feet elevation. SILYBURA LEVINGII, n. sp. Scales in 19 rows round body, ventrals 196. Rostral sharply pointed; nasals not quite separated by the rostral. Caudal disk very flat, the scales prominently 3-10-keeled; subcaudals 8-9. Upper parts purplish-brown, with narrow transverse black bands, in which are arranged yellowish white spots; sides with large yellow blotches; belly purplish brown, the blotches of the sides sometimes extending more or less across, particularly in the posterior portion. Tail with several yellow blotches on each side. This species has much the coloration of S. melanogaster. Hab. Lower Pulney hills (Madura district), 4000 feet elevation. Sect. 2. Scales in seventeen rows. A. Number of scutes exceeding 160. b. Caudal disk convex. S I L Y B U R A O C H R A C E A , n. sp. Scales in 17 rows (neck and body), ventrals 225-231, rarely only 214. Rostral obtusely conical, moderate; nasals forming a suture behind the rostral; caudal distinct, more or less convex, the scales 3-8-keeled. Terminal scute much broader than long, ending in two points side by side ; anal bifid ; subcaudals 6-8-10. Back yellowish green in life (yellowish-brown in spirits), in the young and half-grown purplish brown, with irregular cross bands of ocellated spots, which are yellow with a black ring; sides and belly yellow, but the latter much marbled and blotched irregularly with the ground-colour ; tail black beneath, surrounded with a bright yellow band; tail and head blackish olive. Length of a full-grown specimen 20 inches. Hab. Anamullays, at Nelliamputty, 3000 feet, and at Ponachi, 4500 feet, and on the Bolumputty hills, 2000 feet. SILYBURA DUPENI, n. sp. Scales in 17 rows (19 round neck) ; ventrals 233. Snout obtuse ; nasals not separated by the rostral; caudal disk more or less convex, the scales rough, with 3-7 keels; terminal scute very sharply bicuspid and very rugose, the points side by side; subcaudals 10. Back uniform brown ; belly and sides (2-3 outer rows of scales) yellow. Hab. Auamullays at Nelliamputty, 3000 feet. This may be only a variety of the last; but it has quite a different coloration. SILYBURA GUENTHERI, n. sp. Scales in 17 rows, ventrals 168. Rostral obtuse; nasals entirely separated by the rostral; no supraorbital; caudal disk convex; tail laterally compressed (as in Plectrurus) ; the scales perfectly smooth |