186 SNAKES OF THE PHILIPPINE ISLANDS 



large anterior pair of chin shields; second pair about half as 

 large, not separated ; 5 lower labials, 3 touching first pair of chin 

 shields; scales in 13 rows, smooth; ventrals 186; anal entire; 

 subcaudals 18 ; diameter of eye equal to or slightly less than its 

 distance from mouth; tail ending in a blunt point. 



Color in alcohol.''' — Dull yellowish brown above with brownish 

 bands, separated by lighter interspaces on anterior fourth of 

 body; these bands are narrow, scarcely more than the width of 

 one scale ; the yellowish interspaces are only two or three scales 

 wide ; head with a brown spot on each parietal ; below, uniform 

 yellowish. 



Measurements of Calamaria hitorques Peters. 



mm. 



Total length 365 



Snout to vent 343 

 Tail 22 



Width of head 7.5 



Length of head 9.8 



Variation. — The females have a much larger number of ven- 

 trals and a smaller number of subcaudals than the males. The 

 range known is : For females, ventrals, 183 to 199 ; subcaudals, 

 13 to 18; for males, ventrals, 151 to 158; subcaudals, 18 to 21. 



Remarks. — This rare species is known only from Luzon. 

 There is a single specimen in the collection of the Bureau of 

 Science, without locality attached. Boulenger f lists five speci- 

 mens from Luzon. 



CALAMARIA GERVAISIl Dumeril and Bibron 



Calamaria virguhda (non Boie) Eydoux and Gervais, in Guer. Mag. 

 Zool. CI. 3 (1837) pi. 16, figs. 7-10; Voy. Favorite, Zool 5= (1S39) 

 pi. 30, figs. 7-10. 



Calamaria fiervuisii Dumeril and Bibron, Erp. Gen. 7 (1854) 76; 

 Jan, Arch. Zool. Anat. Phys. 2 (18G2) 8; Icon. Gen. (1865) 10, 

 pi. 2, fig. 1; GOnther, Proc. Zool. Soc. London (1879) 77; Peters, 

 Mon. Berl. Ak. (1861) 684; IMuller, III. Nacht. Cat. Herp. Samml. 

 Basel Mus. (1883) 12; Fischer, Jahrb. wiss. Anst. Hamburg 2 

 (1885) 80; Boettger, Ber. Senck. Nat. Ges. (1886) 105; Boulenger, 

 Cat. Snakes Brit. Mus. 2 (1894) 338; Griffin, Philip. .Journ. Sci. 

 § D 6 (1911) 262. 



Culamaria r/crvaisii, part., GUNTHER, Cat. Col. Snakes (1858) 4. 



* The specimen is in an indifferent state of preservation and most of 

 the original color and markings have disappeared, 

 t Catalogue, loc. cit. 



