RANA. 



321 



Fig. 116. 



18. Rana IBERICA. 

 (Plate XXIII.) 



Rana iberica, Boulenger, Bull. Soc. Zool. France, 1879, p. 177; 

 Bosca, Bull. Soc. Zool. France, 1880, p. 259 ; Boulenger, Cat. 

 Batr. Ecaud., p. 46 (1882); Boettger, Sitzb. Ak. Berl., 1887, 

 p. 180; Heron- Royer & Van Bambeke, Arch, de Biol., ix, 

 1889, p. 258, pi. xvi, fig. 4 ; Bedriaga, Bull. Soc. Nat. Moscou, 

 1889, p. 345, Ampb. Rept. Portug., p. 9 (18S9), and Larves 

 Batr. Portug., p. 8 (1891); Boulenger, Ann. & Mag. N. H. 

 (6), viii, 1891, p. 350, and Proc. Zool. Soc, 1891, p. 608, pi. 

 xlv, fig. 5. 



Vomerine teetli in two small oblique series behind 

 the level of the choana3. 



Head as long; as broad or a little 

 broader than long, moderately de- 

 pressed. Snout short, obtuse, round- 

 ed ; canthus rostralis distinct; loreal 

 region not very oblique, slightly con- 

 cave ; nostril equidistant from the 

 eye and the end of the snout, or 

 slightly nearer the latter ; the distance TT 



° J ' Upper view of bead. 



between the nostrils a little greater 

 than the interorbital width, which equals the width 

 of the upper eyelid ; tympanum distinct, its diameter 

 one-half to three-fifths that of the eye; the distance 

 between the eye and the tympanum equals two-thirds 

 to three-fourths the diameter of the latter. 



Fingers obtuse, first not extending, or extending 

 but very slightly, beyond second ; subarticular tuber- 

 cles moderately developed. 



Hind limb very long, the tibio-tarsal articulation 

 reaching beyond the tip of the snout in the adult, 

 the tip of the snout in the young ; heels strongly 

 overlapping when the limbs are folded. Tibia but 

 slightly shorter than the fore limb, and nearly as long 

 as the foot. Toes three-fourths or even almost entirely 

 webbed, the web with more or less deep crescentic 

 notch ; subarticular tubercles moderately large and 



Y 



