1891.1 



RACES OF RANA ESCULENTA. 



383 



of the inner toe, and 5 to 8 times in the length of the tibia ; when 

 the limbs are folded at right angles to the body, the extremities of 

 the tibiae sometimes meet, but nsually fail to meet ; tibia considerably 

 shorter than the font mea-!ured from the outer metatarsal tubercle. 

 Skin smooth or with small warts ; glandular lateral fold very pro- 

 minent, narrower than the upper eyelid. Brigiit green or brown 

 aboTe, the dark markings sometimes 'forming longitudinal bands ; 

 hinder side of thighs handsomely marbled with black on a bright 

 yellow or orange ground ; vocal sacs not or but very slightly 

 pigmented. 



4. Var. NIGROMACULATA. 



Inner metatarsal tubercle very strong, compressed, hard, crescentic, 

 its depth about half its length, which is 1 to l| times in the length 

 of the inner toe, and 5 to 8 times in the length of the tibia ; when 

 the limbs are folded at right angles to the body, the extremities of 

 the tibiae meet ; tibia considerably shorter than the foot measured 

 from the outer metatarsal tubercle. Interrupted narrow glandular 

 folds along the back, in addition to the dorso-lateral, which are 

 well-marked and narrower than the upper eyelid. Green or brown 

 above, the black markings often forming longitudinal bands; hinder 



26* 



