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. 



]\Iales with a vocal sac on each side, forming loose folds on the 

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

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

 with a nearly smooth horn}- laj'er. 



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. 



Measnreuicnts in millimetres. 



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



Habitat. Yunnan. Types in the British ^luseuni. 

 Avery remarkable frog, combining characters of R. escu'.enta 

 and of the species clustering round R. temporciria . 



42. Rana grahami. 



Ratio graliami, Bouleng., Ann. and Mag. N.H. (8) XX, igi/, p. 415- 

 Vomerine teeth in transverse or slightly oblique series 

 between the choanae 01 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 obtusely 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 



