7ieio European Frog. 



351 



not unfrequcutly the back is largely blotched with ye llowish 

 and the sides may be spotted with pure white ; a dark brown 

 A -shaped marking sometimes present on the scapular region ; 

 the glandular folds usually with a dark brown outer margin ; 

 a dark brown canthal streak and a large dark brown or black 

 temporal spot ; a whitish streak from below the eye to the 

 angle of the mouth ; limbs with dark cross bands, which may 

 be very indistinct ; hinder side of thighs usually speckled or 

 marbled with dark brown. Lower parts whitish, rosy under 

 the limbs, and more or less profusely spotted or marbled with 

 brown, especially on the throat and breast ; the middle line of 

 the throat, however, usually unspotted. Iris golden, brown 

 in its lower moiety. 



Rana Latastiij Blgr. 



Head nearly as long as broad, sometimes slightly broader 

 than long, sometimes slightly longer than broad, more de- 

 pressed than in R. tetrqwraria and R. iherica^ less so than in 

 R. agilis. The snout varies much in shape ; it may be short 

 and rounded, as in a platyrhine R. temporaria, or as long, as 

 pointed, and as prominent as in a typical R. arvalis ; loreal 

 region more oblique than in R. temporaria and R. iherica, 

 less so than in R. agilis ; nostril equidistant from the eye and 

 the end of the snout, or slightly nearer the latter ; the dis- 

 tance between the nostrils equals the interorbital width, which 

 equals the width of the upper eyelid. Tympanum very 



