372 coLrBiuD.E. 



Thrown spots separated by narrower interspaces ; these brown 

 spots mucli shorter, roundish, on the hinder part of the body ; head 

 dark brown above, separated from the first dorsal spot by a narrow 

 white collar ; upper lip and lower parts iiniform white. 



Total length 530 millim. ; tail 100. 



Southern India and Ceylon. 



a. S (V. 234 ; C. 83). Anamallay Hills. Col. Beddonie [C.]- 



(Type.) 



b. Ilgr. (V. 234 ; C. 85). Cuddapa Hills. Col. Beddome [C.]. 



4. Dryocalamiis davisonii. 



Ulupe davisonii, Blanf. Journ. As. Soc. Benq. xlvii. 1878, p. 128, 

 and Proc. Zool. Soc. 1881, p. 221 : Boetig. Ber. Ofenb. Ver. 

 NatvrJc. 1888, p. 65. 



Hydropliobus davisonii, Bouleng. Faun. Ind., Bept. p. 299 (1890). 



Rostral not twice as broad as deep, visible from above ; nasal un- 

 divided ; suture between the internasals as long as that between 

 the prajfrontals ; frontal louger than its distance from the end of 

 the snout, shorter than the parietals ; loreal longer than dee]), 

 entering the eye ; no pra>ocular : one or two post oculars ; temporals 

 l-f2 (or 2 + 2) ; seven upper labials, third and fourth entering the 

 eye ; four lower labials in contact with the anterior chin-shields, 

 which are longer than the posterior. Scales in 13 rows. Ventrals 

 235-265 ; anal entire ; subcaudals 91-1 08. Above with dark 

 brown or black elongate spots separated by white or pale brown 

 narrower interspaces ; on the hinder half of the body the brown 

 spots become smaller or may be broken up ; snout brown, connected 

 with the first dorsal brown spot by a longitudinal brown band, the 

 rest of the head being whitish ; lower parts whitish, tail mottled 

 with brown. 



Total length 670 millim. ; tail 150. 



Tenasserim, Siam, Cochinchina. 



a-b. S (V. 236; C. 91) & Cochinchina. E. C. Cox-Smith, Esq. {V.]. 

 $ {\. 235; C. 96). 



c. cS (V- 254; C. 99). Aunam. City Hall Mas., Hongkong 



[E.]. 



5. Dryocalamus tristrigatus. (Plate XXV. fig. 3.) 

 Dryocal.amus tristrigatus, Giinth. Cat. p. 121 (1858). 



Eostral a little broader than deep, the portion visible from above 

 half as long as its distance from the frontal ; nasal undivided ; 

 suture between the iuternasals shorter than that between the pra?- 

 f rentals ; frontal once and a half as long as broad, longer than its 

 distance from the end of the snout, shorter than the parietals ; 

 loreal ncarl}' twice as long as deep, entering the eye ; no pra?ocular ; 

 two postoculars ; tcmjiorals 2 + 2 or 2 + 3; seven upper labials, 

 third and fourth entering the eye ; four lower labials in contact 

 with the anterior thin-shields; posterior chin-shields very short. 



