OLIGODON. 321 



iu coutact with the aiiteiior chiu -shields ; posterior chin-shields 

 about two thirds the length of the anterior. Scales in 15 rows. 

 Ventrals 136-159 ; anal divided; subcaudals 2(3-35. Pale brown 

 above, some of the scales edged with dark brown ; frequently a 

 more or less regular series of paired dark brown dorsal spots ; 

 head with dark brown markings ; an angular transverse band 

 anteriorly, passing through the eyes ; a longitudinal band from the 

 middle of the frontal to a little beyond the parietals, and a large 

 spot on each side of the nape ; the longitudinal band and the nuchal 

 s])ots sometimes confluent. Lo\\er surface yellowish, with, three 

 longitudinal series of small dark brown spots, the lateral series 

 often confluent into a line. 



Total length 10 inches ; tail 1'25. 



Hab. Ceylon. 



393. Oligodon ellioti. 



Oligodou elliotti, Giinth. JRept. B. I. p. 207, pi. xix, fig. G ; Theoh. 

 Cat. p. 140. 



iS'asal divided ; portion of rostral seen from above as long as its 

 distance from the frontal ; suture between the internasals as long 

 as that between the prefrontals ; frontal longer than its distance 

 from the end of the snout, as long as the parietals ; loreal as long 

 as deep : proeocular single; two postoculars ; temporals l-f-2; 

 upper labials 7, third and fourth entering the eye ; 3 lower labials 

 in contact with the anterior chin-shields ; posterior chin-shields 

 about two tliirds the length of the anterior. Scales in 15 rows. 

 Ventrals 152 ; anal divided ; subcaudals 29. Brown above, with a 

 median series of large rhombic black spots, on each side of which 

 is a small spot separated by a \\hitish border ; head with black 

 markings, viz. an angular band across the forehead, passing through 

 the eyes, and a second behind, with the apex on the frontal, 

 descending to below the angle of the mouth, and confluent with a 

 large nuchal spot ; the latter bands connected across the throat by 

 an angular, interrupted, narrow black band. Lower surface 

 whitish, unspotted. 



Total length 11 inches; tail 1*3. 



Hah. Ceylon. 



394. Oligodon subgriseus. 



Oligodon subgriseus, Duin. ^y Blbr. Erj). Gen. vii, p. 59; Giinth. 

 Rept. B. I. p. 207, pi. xix, tig. F ; Jan, Icon. Ophid. 18, pi. i, tig. 3 ; 

 _ Theob. Cat. p. 14(3; Blanf. J. A. S. B. xlviii, 1879, p. 114. 

 Simotes binotatus, Bum. 4" Bibr. t. c. p. 630; Jan., Icon. 11, pi. vi, 

 ^ tig. 3 ; Giinth. Rept. B. I. p. 214 ; Theob. Cat. p. 150. 

 Xeuodou dubiuni, Jerdon, J. A. S. B. sxii, 1853, p. 528. 

 Oligodou spilouotus, Giinth. Rept. B. I. p. 207, pi. xix, tig. E ; Theob. 



Cat. p. 146. 

 Oligodon fasciatus, Giuith. Rept. B. I. p. 208, pi. xix, tig. D ; Theoh. 

 Cat. p. 147. 



Y 



