350 COLUBEIDJE. 



consisting of dark spots arranged quincuncially and often separated 

 by a whitish network, or of black longitudinal bands on a pale 

 ground, or of dark cross bands, with or without whitish spots, &c. 

 &c.; two oblique black streaks, one below and the other behind the 

 eye, are nearly constant ; lower parts white, with or without black 

 margins to the shields. 



Total length 4 feet ; tail 1 foot. 



Hob. Pound in or near rivers and pools all over India and 

 Ceylon, Burma and Southern China to the Malay Peninsula and 

 Archipelago. 



436. Tropidonotus bellulus. 



Tropidouotus bellulus, Stoliczka, J. A. S. B. xl, 1871, pt. 2, p. 43i>, 

 pi. xxvi, fig. 2 ; Theob. Cat. p. 17G. 



This species, which is unknown to me, is based on a single young 

 specimen, allied to T. pismtor, but differing in the following 

 characters : Internasals less pointed, slightly longer than the 

 praefrontals ; fourth, fifth, and sixth labials entering the eye ; 

 temporals 1 + 2. All the scales sharply keeled. Yentrals 140 ; 

 subcaudals 63. Olive-brown above, with two longitudinal series of 

 black dots along the back ; sides of neck with transverse yellowish 

 bars ; pra3- and postoculars yellow ; labials black-edged ; ventrals 

 and subcaudals greenish or dull white, with deep black edges. 



Total length 16-5 inches ; tail 5. 



Hob. Hills between Prome and Toungngoo, Pegu. 



437. Tropidonotus sancti-johannis. 



Diameter of the eye a little less than its distance from the 

 nostril; rostral visible from above; internasals much narrowed 

 anteriorly, snbtriangular with the anterior angle truncated, as long 

 as the prsefrontals : frontal longer than its distance from the end of 

 the snout, nearly as long as the parietals ; loreal slightly longer than 

 deep; one prseocular ; three postoculars; temporals 2+2; upper 

 labials 9, fourth entering the eye, fifth very small, triangular, 

 wedged in between the fourth and sixth ; 5 lower labials in contact 

 with the anterior chin- shields, which are much shorter than the 

 posterior. Scales in 19 rows, dorsals rather feebly keeled, the two 

 or three outer rows smooth. Ventrals 158 ; anal divided ; subcau- 

 dals 85. Uniform olive above, whitish inferiorly. 



Total length 16 inches ; tail 4. 



Hob. A single specimen was obtained in Kashmir by Sir O. B. 

 St. John, and presented to the British Museum. 



438. Tropidonotus punctulatus. 



Tropidonotus punctulatus, Giinth. Cat. Col. Sn. p. 247 ; id. A. M. N. 



H. (4) i, 1868, p. 420 ; id. Zool. Rec. 1870, p. 74 ; Theob. Cat. 



p. 173. 

 Fowlea peg-uensis, Theob. Cat. Kept. As. Soc. Mus. 1868, p. 57. 



