227 



THE FROGS ALLIED TO RANA DORI>E 

 ADDENDUM- 



By Malcolm. A. Smith., f.z.s. 



With a text figure. 



Rana plicatella Stoliczka. 



Rana plicatella, Bouleng., Rec. Ind. Mus., 1920. xx, p. 53. 



Since the publication of the above article (ante pp. 215-225), 

 I have been fortunate in obtaining three adult male examples of 

 Rana plicatella. They were caught on Bukit Fraser, Pahang, in 

 the Malay Peninsula at about 1200 metres altitude. 



These specimens are larger than any previously known, and 

 shew probably the cranial development in its most extreme degree. 



Head of It. plicatella, natural size. 



Although easily distinguished by its glandular dorsal folds 

 and less fully webbed toes from the other forms allied to it, this frog- 

 very clearly belongs to the same group, and must be included in it. 

 The crania] enlargements are of precisely the same nature, the only 

 variation being in the shape of the occipital prominence. This 

 covers about the same area as that of R. m. macrognathus, but in- 

 stead of being only a slight swelling beneath the skin, projects 

 abruptly upwards at its posterior extremity fojr from 1.5 to 2 mm. 



The colouration of the specimens is olive or olive-brownish 

 above with black markings, a black chevron being just distinct; two 

 examples had bright orange shades, in life, upon the arms and legs, 

 and there are black cross bars upon the limbs of all. Below pale 

 sulphur-yellow, the throat and hind limbs speckled with black. Two 

 of the specimens have a broad orange-yellow vertebral Hue. 



VOL. IV, NO. 4, 1922. 



