KANA. 315 



17. Rana GtKmca. 

 (Plate XXII.) 



Rana latastei (non Blgr.), Boettger, Sitzb. Ak. Berl., 18S8, p. 148. 

 Rana latastii, part., Bedriaga, Bull. Soc. Nat, Moscou, 1889, 



p. 338. 

 Rana gr&ca, Boulenger, Ann. & Mag. N. H. (6), viii, 1891, 



p. 346, fig. 1, and Proc. Zool. Soc. 1891, p. 607, pi. xlv, fig. 4 ; 



Werner, Zool. Anz , 1897, p. 66; Peracca, Boll. Mus. Torin., 



xii, 1897, No. 286. 



Vomerine teeth in two small oblique series, extending 

 behind the level of the choana?, originating between 

 the posterior borders of the latter. F 114 



Head a little broader than long, 

 moderately depressed. Snout very 

 short, rounded, not at all prominent, 

 as long as or shorter than the diameter 

 of the orbit ; eye smaller than in B. 

 latastii and B. agilis, less prominent ; 

 canthus rostralis distinct; loreal re- 

 gion even less oblique than in B. Upper view of bead. 

 temporaria and B. iberica, distinctly concave; nostril 

 equidistant from the eye and the end of the snout, or 

 a little nearer the latter; the distance between the 

 nostrils greater than the interorbital width, which 

 equals or nearly equals the width of the upper eyelid ; 

 tympanum moderately or feebly distinct, its diameter 

 two-fifths to three-fifths that of the eye, not greater 

 than the length of the inner metatarsal tubercle ; its 

 distance from the eye equals two-thirds to once its 

 diameter. 



Fingers very obtuse, or slightly swollen at the end, 

 first not extending or extending but slightly beyond 

 second ; subarticular tubercles strongly developed. 



Hind limb very long, the tibio-tarsal articulation 

 reaching the tip of the snout or beyond ; heels over- 

 lapping when the limbs are folded. Tibia as long as 

 or a little shorter than the fore limb, and at least 

 slightly longer than the foot. Toes almost entirely 



