352 On a new European Frog. 



distinct, its diameter one half to two thirds the diameter ot' 

 the eye ; the distance between the eje and the tynipanain 

 equals one half to two thirds the diameter of the tympanum. 



Fore limb as long as or a little longer than the tibia. First 

 finger extending beyond the second. Subarticular tubercles 

 of fingers moderately developed. 



Hind limb very long, the tibio-tarsal articulation reaching 

 beyond the tip of the snout ; tibia as long as the foot or a 

 little longer. 'J'oes three-fourths webbed in the female, the 

 web crescentically emarginate, three-fourths or nearly entirely 

 webbed and with a straight or even convex border to the web 

 in the breeding male ; subarticular tubercles moderately 

 large and prominent ; inner metatarsal tubercle small, soft, 

 oval, measuring about one third the length of the inner toe; 

 a small outer metatarsal tubercle at the base of the fourth toe 

 is usually present. 



Skin smooth, or with a few small flat warts scattered on 

 the back ; back of the thighs granular. Dorso-lateral glan- 

 dular fold narrow and more or less prominent, running nearly 

 straight from the temple to the groin ; the distance between 

 the dorso-lateral folds on the scapular region equals one fourth 

 to one fifth the length from snout to vent. 



The coloration varies less than in E. temporaria and E. 

 ibei-tca, but more than in E. agilis. Upper parts greyish or 

 reddish brown, usually with a few dark brown spots, a dark 

 cross bar between the eyes, and a A -shaped marking on the 

 scapular region ; small orange or red spots may be present on 

 the back, and, very rarely, a few ink-black blotches ; the 

 glandular lateral folds usually not paler than the surroundings, 

 sometimes with a dark brown outer margin ; no large spots 

 on the flanks ; a canthal streak and sometimes the whole of 

 the loreal region dark brown ; a dark brown or blackish 

 temporal spot ; a light streak from below the eye to the angle 

 of the mouth ; hind limbs with well-marked dark brown cross 

 bars ; hinder side of thighs speckled or spotted with brown. 

 Lower parts pinkish white, the throat and the hind limbs 

 often of a bright pink ; throat and breast spotted or mottled 

 with grey or brown, with the median line of the throat and 

 usually a cross line on the breast unspotted, the two forming 

 a X-shaped light marking ; belly and lower surface of thighs 

 sometimes spotted, sometimes immaculate. Iris golden, much 

 obscured with brown in its lower half. 



