26 



COLTJBBIDjB. 



(2) xiii. 1861, p. 146 ; Peters, Mm. Berl. Ac. 1861, p. 902, and 

 1863, p. 247 ; Gunth. Rept. Brit. Ind. p. 288 (1864) ; Boeourt, N. 

 Arch. Mus. ii. 1866, Bull. p. 6 ; Morice, Ann. Sc. Nat. (6) ii. 1875 

 art. 5, pi. XX. ; Peters, Sitzb. Ges. Naturf. Fr. 1882, p. 74. 



Rostral very small ; a pair of prsefroutals, separated from the 

 nasals by small shields ; frontal slightly longer than broad, shorter 

 than the parietals, separated from the supraoculars by a series of 

 small shields ; 13 to 15 upper labials, separated from the eye by a 

 series of suboculars ; temple covered with small keeled scales. Scales 

 strongly keeled, in 37 rows. Ventrals 110-136, only twice as large 

 as a scale ; anal divided. A broad dark brown vertebral band, with 

 more or less regular black transverse lines ; a dark brown lateral 

 stripe, extending to the snout and passing through the eye, separated 

 from the vertebral band by a yellowish-brown band ; yellowish 

 beneath, with two dark brown longitudinal stripes. 



Total length 610 millim. ; tail 170. 



Coohinchina and Siam, in brackish water. 



a-b. $ (V. 126) & yg. (V. 133). Siam. M. Mouhot [0.]. 



AUnandiua {infra, p. 38) should perhaps be referred to this 

 Subfamily. See Mocquard, Bull. Soc. Philom. (8) vii. 1895, 

 p. 124. 



Subfam. 5. DIPSADOMOBPHINJE. 



Cororjellas, part., Oolubrini, part., Dendrophidse, part., Bote, Isis, 



1827, p. 510. 

 Oxycgphaliens, St^nocSphaliens, Scytaliens, Dipsadiens, Anisodon- 



tiens, part., Dumeril, M4m. Ac. Sc. xxiii. p. 427, 1853 ; BumerU 



Sr Bibron, Erp. Gin. vii. p. 796, 1854. 

 Calamaridse, part., Ooronellidss, part., Dryadidse, part., Psammo- 



phidse, DendrophidsB, part., Dryiophid», Dipaadidse, part., Scyta- 



lidss, Gunthei; Cat. Col. Sn. 1858. 

 Calamaridae, part., Probletorhinidae, part., Coronellidse, part., Potamo- 



philidae, part., Psammophidse, Dryophilidse, part., Scytalidse, part., 



DipaadidEB, part., Jan, Elenco sist. Ofid. 1863. 

 Calamaridss, part., Colubridae, part., Psammophidse, Dendrophidse, 



part., Dryiophidas, Dipsadidifi, Gunther, JRept. Brit. Ind. 1864. 

 Trimerorhini, part., Peters, Beise n. Mossamb. iii. p. 118, 1882. 

 Oalamarinae, part., Scytalinse, Philodryadinse, Dryophidinse, Psam- 



mophidinas, Dipsadinse, Cope, Proc. Amer. Philos. Soc. xxiii. p. 484 



1886. 

 Dipaadinse, Boulenger, Faun. Ind., Bept. p. 366, 1890. 

 DipaadinsB, Scytalinse, Erythrolamprinse, Cope, Trans. Amer. Philos 



Soc. xviii. p. 207, 1896. 



Nostrils lateral ; dentition well developed. 

 Cosmopolitan, except the northern parts of the Northern Hemi- 

 sphere. Terrestrial, arboreal, or subaquatic. 



