26 COLUBRID, 
(2) xiii. 1861, p. 145; Peters, Mon. Berl. Ac. 1861, p. 902, and 
1863, p. 247 ; Giinth. Rept. Brit. Ind. p. 288 (1864); Bocourt, N. 
Arch. Mus. ii. 1866, Bull. p. 6; Morice, Ann. Sc. Nat. (6) ii. 1875 
art. 5, pl. xx.; Peters, Sitzb. Ges. Naturf. Fr. 1882, p. 74. 
Rostral very small; a pair of preefrontals, 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 Jength 610 millim. ; tail 170. 
Cochinchina and Siam, in brackish water. 
a-b. 2 (V. 126) & yg. (V. 133). Siam, M. Mouhot [C. }. 
Alluaudina (infra, p. 38) should perhaps be referred to this 
Subfamily. See Mocquard, Bull. Soc, Philom. (8) vii. 1895, 
p- 124. 
Subfam. 5. DIPSADOMORPHINA. 
Coronelle, part., Colubrini, part., Dendrophide, part., Bote, Isis, 
1827, p. 510. 
Oxycéphaliens, Sténocéphaliens, Scytaliens, Dipsadiens, Anisodon- 
tiens, part., Duméril, Mém. Ac. Sc, xxiii. p. 427, 1858; Duméril 
§ Bibron, Erp. Gén. vii. p. 796, 1854. 
Calamaride, part., Coronellidee, part., Dryadide, part., Psammo- 
age Dendrophide, part., Dryiophide, Dipsadide, part., Scyta- 
ide, Giinther, Cat. Col. Sn. 1858, 
Calamaride, part., Probletorhinide, part., Coronellide, part., Potamo- 
Pee. part., Psammophide, Dryophilide, part., Scytalide, part., 
ipsadide, part., Jan, Elenco sist. Ofid. 1863. 
Calamaride, part., Colubridw, part., Psammophide, Dendrophide, 
part., Dryiophidw, Dipsadide, Giinther, Rept. Brit, Ind. 1864. 
Trimerorhini, part., Peters, Reise n. Mossamb, iii. p. 118, 1882. 
Calamarina, part., Scytaline, Philodryadinw, Dryophidinw, Psam- 
7 as cane Dipsadinew, Cope, Proc. Amer. Philos, Soc. xxiii, p. 484, 
1886 
Dipsadine Boulenger, Faun. Ind., Rept. p. 356, 1890. 
Dipaadines Scytalina, SeyihrelalepHines Cope, Trans, Amer. Philos, 
. xviii, p. 207, 1895. 
Nostrils lateral; dentition well developed. 
Cosmopolitan, except the northern parts of the Northern Hemi- 
sphere. Terrestrial, arboreal, or subaquatic, 
