1920.] 



G. A. BouLENGER : Frogs of the Genus Rana. 



91 



blackish band on each side of the head, passing through the eye and 

 involving the tympanum ; a whitish streak along the upper lip ; 

 limbs with more or less regular black cross- bars ; sometimes a light 

 line along the inner side of the leg, continued to the outer toe ; 

 hinder side of thighs marbled black and yellow. Lower parts 

 white, throat sometimes brownish. 



Males with a vocal sac on each side, forming loose folds on the 

 throat and a very large fiat gland on each side of the body, above 

 and behind the shoulder ; inner side of first finger feebly thickened, 

 with a nearly smooth horny layer. 



Eggs very small, i millim. in diameter. 



Nasal bones large and in contact with each other, separated 

 from the frontoparietals, which do not cover the ethmoid in front ; 

 zygomatic branch of squamosal not longer than the posterior. 

 Omosternum entire. Terminal phalanges very feebly expanded at 

 the end. 



Measurements in mitlimetres. 



\ — 5. Yunnan fu (types). 6 — 8. Tongchuan fu. 



Habitat. Yunnan. Types in the British Museum. 

 A very remarkable frog, combining characters of R. esculenta 

 and of the species clustering round R. temporaria. 



42. Rana grahami. 



Rana grahami, Boiileng., Ann. and Mag. N.H. (8) XX, 1917, p. 415. 



Vomerine teeth in transverse or slightly obhque series 

 between the choanae or extending a little beyond the level of their 

 posterior borders. 



Head as long as broad or a little broader than long, much 

 depressed ; snout rounded or obtuseW pointed, feebh^ or rather 

 strongly projecting beyond the mouth, as long as the eye or a 

 little shorter ; canthus rostralis obtuse ; loreal region feebly oblique, 

 concave ; nostril equidistant from the eye and from the tip of the 

 snout or a little nearer the former ; the distance between the 



