131 

 5- Oligodon petronellae Roux. 



Oligodoft ornaiHs^ Roux, Revue Suisse Zool. Vol. 22 1914, p. 29. 



Rostral large; nasal large, divided; internasals well developed, 

 separated by the rostral, which is in contact with the prae- 

 frontals; frontal longer than its distance from the tip of the 

 snout, shorter than the parietals; loreal more long than deep; 

 one prae- and two postoculars; temporals 1+2; seven upper 

 labials, third and fourth entering the eye; three or four lower 

 labials in contact with the anterior chin-shields; latter longer 

 than the posterior. Scales in 15 rows; ventrals 152 ; anal entire; 

 subcaudals 19 + ?. 



Greyish-brown above, with dark brown markings, some of 

 them bordered with light spots; a brown spot on the hind 

 part of the parietals, divided into two parallel bands on the 

 nape and along the back, which form posteriorly lozenge-shaped 

 markings; about 21 of those markings, some bordered with 

 white spots; head with a dark brown transverse band across 

 the snout, a large spot on the frontal, another on the parietals 

 and continued obliquely along each side of the neck; upper 

 labials spotted with black. Lower surface brick-red, every 

 second ventral with dark brown spots near the outer ends; 

 tail almost entirely red below. Length of head and body 408 mm.; 

 tail (broken) 42 mm. 



Type-specimen received from the Geneve Museum, examined. 



Habitat: Sumatra!. 



Note. Dr. Jean Roux of Basle had described this new 

 species under the name of 0. ornatns^ when he became aware 

 that this name was used already for a snake of Formosa 

 (Van Denburgh, Proc. Cal. Acad Sc. Ill 1910, p. 53). So 

 at his request it has been changed into the one put above 

 this description. 



6. Oligodon propinquus Jan. 



Oligodon propinquus^ Jan, Arch. Zool. Anat. Phys. II 1862, p. 38. 

 Oligodon propinquus^ Boulenger, Cat. Sn. II 1894, p. 240. 



Rostral visible from above; nasal entire; suture between the 

 internasals longer than that between the praefrontals; frontal 

 longer than its distance from the tip of the snout, as long as 

 the parietals; loreal small, more long than deep; one prae- 



