Batrachians from the Loo Gkoo Islands. 303 



snout than to the eye, the distance between them equal to the 

 interorbital width, which equals the width of the upper eyelid ; 

 tympanum very distinct, circular, meaguring two thirds dia- 

 meter of eye and about once and a half its distance from orbit. 

 Fore limb longer than tibia ; first finger extending con- 

 siderably beyond second ; tips of fingers bluut, subarticular 

 tubercles strong ; a very prominent knob (rudiment of pollex) 

 on inner side of first finger. Tibio-tarsal articulation reaching 

 the eye ; tibia slightly longer than foot, half length of head 

 and body. Toes three-fourths webbed, the two distal pha- 

 langes of fourth toe free, but with the membrane prolonged 

 as a narrow fringe on each side ; subarticular tubercles strong ; 

 inner metatarsal tubercle blunt, elliptical, not very prominent, 

 three fifths length of inner toe ; no outer metatarsal tubercle ; 

 no tarsal fold. Back with a few scattered small warts, sides 

 and hind limbs with numerous warts ; body and limbs with 

 whitish pearl-like excrescences ; glandular lateral folds 

 prominent, broken up into warts behind, nearly parallel, the 

 distance between them on the scapular region two ninths 

 length of head and body. Olive-brown above, sides with 

 blackish spots ; a blackish temporal spot ; tympanum reddish 

 brown ; a light streak from below the eye to the angle of the 

 mouth ; limbs with dark cross bars ; hinder side of thighs 

 marbled with black ; throat spotted with brown ; belly with 

 a few brown dots. 



millim. 



From snout to vent 120 



Length of head 37 



Width of head 43 



Diameter of eye 12 



Interorbital width 11 



From eye to nostril 9 



,, „ end of snout 17 



Tympanum 8 



rrom eye to tympanum 5 



Fore limb 70 



Hind limb 170 



Tibia 68 



Foot 6o 



Inner toe 14 



Inner metatarsal tubercle 8 



A single female specimen. 



This species bears great affinity to Rana temporaria, from 

 which the more elongate inner metatarsal tubercle and the 

 prominent rudiment of pollex, which is probably accompanied 

 by an uuusual development of copulatory excrescences in the 

 male, easily distinguish it. In size it equals the largest form 

 of the group, E. Draytoni^ B. & G. 



