238 COLITBRIDiE. 



a-b. S (V. 144, 144 ; 0. Java. Leyden Museum. 

 .37, 45). 



c. 5 (V. 142; 0.?). Java. Hr. Fruhstorfer [C.'J. 



d. $ (V. 155; C. 46). Sakk, Java. B. Kirkpatrick, Esq. 



e. S (V. 148 ; 0. 41). Batavia. 



/. (S (V. 150 ; C. 37). Willis Mts., Kediri, Baron v. Huegel [0.]. 



Java, 5000 feet. 

 ^. Yg. (V. 165 ; C. 44). Amboyna. Dr. Bleeker. (Type of 



Rabdosoma amhoinense.) 



5. Oligodon trilineatus. 



Simotes trilineatus, Dum. Sf Bibr. vii. p. 636 (1854) ; Jan, Arch. 



Zool. Anat. Phys. ii. 1862, p. 334, and Icon. Gin. 12, pi. iv. fig. 1 



(1865). 

 Oligodon trilineatus, Fischer, Abh. naturw. Ver. Samh. ix. 1885, p. 7. 



Nasal divided ; portion of rostral seen from above nearly as long 

 as its distance from the frontal ; suture between the internasals 

 nearly as long as that between the praefrontals ; frontal longer than 

 its distance from the end of the snout, as long as the parietals ; 

 loreal small, longer than deep ; one prse- and one postocular ; 

 temporals 1 + 2 or 2 + 2; seven upper labials, third and fourth 

 entering the eye ; four lower labials in contact with the anterior 

 chin-shields, which are nearly twice as long as the posterior. Scales 

 in 17 rows. Ventrals 145-157 ; anal entire ; subcaudals 52-62. 

 Dark brown or blackish above and below ; head yellowish brown, 

 with blackish oblique bands interrupted on the crown ; a yellow 

 vertebral stripe, a fine yellowish line along each side of the back, 

 and a white line along each side of the belly. 



Total length 330 millim. ; tail 80. 



Pulo Nias. 



a-b. 2 (V. 147; C. 60) Nias. Herr Sundermann [0.1 



& hgr. (V. 157 ; 0. 54). 



6. Oligodon modestus. (Plate X. fig. 3.) 



Oligodon modestus, Gilnth. Sept. Brit. Ind. p. 210 (1864), andProc. 

 Zool. 8oc. 1879, p. 77. 



Nasal divided ; portion of rostral seen from above as long as its 

 distance from the frontal ; suture between the internasals a little 

 shorter than that between the praefrontals ; frontal longer than its 

 distance from the end of the snout, as long as the parietals ; no 

 loreal; one prse- and one postocular; temporals 1 + 2 or 1 + 3; six 

 upper labials, third largest and entering the eye ; three or four 

 lower labials in contact with the anterior chin-shields, which are 

 longer than the posterior. Scales in 15 rows. Ventrals 158-170 ; 

 anal entire ; subcaudals 41. Dark brown above, with a yellowish 

 vertebral streak ; a yellowish chevron-shaped band on the occiput ; 

 lower parts yellowish, with quadrangular black spots. 



