274 TTEOPELTID^. 



tiynopsia of the Species. 



a. Snout broadly rounded ; supraoculars longer 



than praefrontals ; 163-175 ventrals P. trilineafus, p. 274. 



b. Snout broadly rounded; supraoculars as long 



as prsefrontals ; 150-175 ventrals P. madurensis, p. 274. 



c. Snout obtuse ; supraoculars as long as or shorter 



than prsefrontals ; 120-150 ventrals P. sanguineus, p. 274. 



328. Platyplectrurus trilineatus. 



Plectrurus trilineatus, Beddome, Madras Journ. Med. Sc. 1807, 



p. 14, fig. ; Theob. Cat. p. 137. 

 Platyplectrurus trilineatus, Gilnth. A. M. N. H. (4) i, 1868, p. 413 ; 



Beddome, A. M. N. H. (5) xvii, 1886, p. 32. 

 Platyplectrurus bilineatus, Beddome, I.e. p. 33. 



Snout broadly rounded ; rostral small, just visible from above ; 

 frontal longer than broad; supraocular much larger than the eye, 

 longer than the prsefrontals ; temporal two thirds or three fifths the 

 length of the parietals. Diameter of body 37 to 50 times in the 

 total length. 15 scales round the middle of the body, 17 behind 

 the head. Ventrals nearly twice as broad as the contiguous scales, 

 163-175; subcaudals 8-16. Caudal scales smooth or a few of 

 the terminal ones inconspicuously bi- or tricarinate ; terminal scute 

 with a transverse ridge which is hardly distinct in the female. 

 Adult reddish brown or brick-red above, with three continuous or 

 interrupted black longitudinal hues ; young (P. bilineatus, Bedd.) 

 dark brown or black above, with two yellowish dorsal bands ; 

 yellowish below, each scale with a brown dot. 



Total length 16 inches. 



Hob. Anairnalai Hills, 4000-4700 feet. 



329. Platyplectrurus madurensis. 



Platyplectrurus madurensis, Beddome^ P. Z. S. 1877, p. 167 ; id. 

 A. M. N. H. (5) xvii, 1886, p. 33. 



Very closely allied to the preceding, but head-shields rather 

 shorter and supraocular not longer than the prsefrontals. Dia- 

 meter of body 38 to 42 times in the total length. Ventrals 158-175, 

 subcaudals 10-15. Above a nacreous purplish brown ; ventrals and 

 the two adjoining series of scales on each side white in the centre, 

 purplish brown on the borders. 



Total length 14 inches. 



Hab. Palni and Travancore Hills, 4000-6000 feet. 



330. Platyplectrurus sauguineus. 



Plectrurus sanguineus, Beddome, Madras Journ. Med. Sc. 1867, p. 14, 



fig. ; Theob. Cat. p. 136. 

 Platyplectrurus hewstoni, Beddome, P. Z. 8. 1876, p. 701. 



