326 



EANID.2B. 



19. RANA LATAST1I. 



(Plate XXIIL) 



Rana latastei, Boulenger, Bull. Soc. Zool. France, 1879, p. ISO, 



and Cat. Batr. Ecaud., p. 46 (1SS2) ; Camerano, Mem. Ace. 



Torin. (2), xxxv, 1883, p. 269, pi. i, figs. 2—4 ; Peracca, Boll. 



Mas. Torin., i, 1886, No. 5 ; Borelli, Boll. Mus. Torin., i, 1886, 



No. 14; Boulenger, Ann. and Mag. N. H. (6), viii, 1891, p. 



351, and Proc. Zool. Soc, 1891, p. 608, pi. xlv, fig. 6. 

 Rana temporaria, part., De Betta, Atti 1st. Venet. (2), iv, 18S5, 



p. 45. 

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



338. 



Vomerine teeth in two small, oval, oblique groups 

 behind the level of the choanas. 



Head nearly as long as broad, sometimes slightly 

 broader than long, sometimes slightly longer than 

 broad, more depressed than in H. temporaria and 

 B. iberica, less so than in B. agilis. The snout 

 varies much in shape : it may be short and rounded, 



Fig. 118. 



Upper views of heads. 



as in a platyrrhine B. temporaria, or as long, as 

 pointed, and as prominent as in a typical B. arvalis 

 (two extreme forms are represented in Fig. 118) ; 

 loreal region more oblique than in B. temporaria. and 

 B. iberica, less so than in B. agilis ; nostril equidistant 

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

 nearer the latter ; the distance between the nostrils 

 equals the interorbital width, which equals the width 

 of the upper eyelid; tympanum very distinct, its 

 diameter one-half to two-thirds the diameter of the 



