1920.] G, A. Bour^ENGKR : Frogs of the Genus Rana. iy7 



than the upper eyelid; tympanum very distinct, ^ the diameter 

 of the e3"e. 



First finger extending slightly beyond the second ; tips of 

 tingers dilated into small discs, that of the third less than half the 

 diameter of the tympanum. 



The tibio-tarsal articulation reaches considerably beyond the 

 tip of the snout; heels strongly overlapping; tibia i^ times in 

 length from snout to vent, shorter than the fore limb; toes about 

 I webbed, 2 phalanges of fourth free; discs slightly smaller than 

 those of the fingers ; subarticular tubercles very prominent ; no 

 tarsal fold; inner metatarsal tubercle oval, not prominent, about 

 f the length of the inner toe ; a small outer metatarsal tubercle. 



Skin of upper parts obscurely shagreened, with a few scattered 

 pustules on the back and many on the sides ; three large glandular 

 warts behind the corner of the mouth ; from the posterior corner 

 of the eye a somewhat indistinct dorso-lateral fold, which on the 

 shoulder seems broken up into a series of shorter longitudinal 

 glands ; sides of head and upper surface of tibia with numerous 

 small white asperities. Lower parts smooth. 



Dark chocolate brown above, apparently nearly uniform, 

 dorso-lateral folds and upper surface of limbs paler; a whitish 

 line under the eye and on the posterior part of the upper lip, 

 which is mottled with brown along the edge ; flanks pale brownish, 

 with irregular blackish spots ; limbs with dark brown cross-bars ; 

 hinder side of thighs mottled with dark brown. Lower parts 

 whitish, with very faint brown motthngs on the throat, on the 

 chest, and on the hind limbs. 



From snout to vent 68 millim. 



Habitat. Okinawa Shima, Loo Choo Islands; Formosa. 



The above description is derived from Stejneger's, based on 

 a single specimen preserved in the vScience Collection at Tokyo. 



Formosa has been added to the habitat by T. Vogt. 



93. Rana signata* 



Polypedates signaUis, Gunth. Proc. Zool. Soc. 1872, p. 600, pi. xl, fig. c. 



Poivpedates suiiih's, Giinth. Proc. Zool. Soc. 1873, p. 171. 



Rana signata, Bouleng". Cat. Batr. Ecaiid. p. 71 (1882), and Ann. and Mag. 



N.H. (6) VII, i89i,p. 34.2 ; Werner, Zool. Jahrb., Syst. XIII, 1900, 



p. 493; LaidlaAv, Proc. Zool. Soc. 1900, p. 886 ; Bouleng. Faiin. Mai. 



Pen., Rept. p. 237 (1913). 

 Rana similis, Bouleng. Cat. p. 72. 

 Rana obsoleta, Mocquard, Le Natiir. 1890, p. 155, A^. Arch. Mtts. Paris 



(3) II, 1890, p. 147, and Mem. Soc. Zool. France, V, 1892, p, 198. 



Vomerine teeth in small oblique groups close together, on a 

 level with the posterior borders of the choanse or just behind them. 



Head a little longer than broad, much depressed ; snout 

 rounded or subacuminate, feebly projecting beyond the mouth, a 

 little shorter than the eye, which is very large and prominent; 

 canthus rostralis distinct ; loreal region very feebly oblique, deeply 

 concave ; nostril nearer the tip of the snout than the eye ; distance 

 between the nostrils equal to or a little greater than the inter- 



