352 On a new European Fro(j. 



distinct, its diameter one half to two thirds the diameter of 

 the eye ; tlie distance between the eye and the tympanum 

 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. Toes 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^f 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 thescapular region equals one fourth 

 to one fifth the length from snout to vent. 



The coloration varies less than in 11. temporaria and R. 

 iherica, but more than in R. ogilis. 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 

 tem])oral 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 J.-shaped light marking ; belly and lower surface of thighs 

 sometimes spotted, sometimes immaculate. Iris golden, much 

 obscured with brown in its lower half. 



