( 406 ) 



portion is cl<itlie(l above witli a double series of larger scales, and below with a 

 single median series. 



The adpressed limbs overlaji. 



Brown, with faint blackish longitudinal bauds along the dorsal series of scales ; 

 sides blackish, with scattered bluish wliite spots, each contiued to a single scale. 

 Lower 2'arts whitish, with undulated blackish transverse lines across the throat 

 and chest. 



„ second hind-toe (from base of first) .13 „ 



This species is certainly distinct from all which 1 know by autopsy, and cannot 

 be referred to any of the other described species, differing by the number or structure 

 of the scales, sctitellation of the head, etc. 



4. Hyla dayi sj). nov. 



Tongue subovate, slightly nicked behind. Vomerine teeth in two transverse 

 series, behind the level of the choauae. Head much depressed ; snout rather longer 

 than the diameter of the orbit ; canthus rostralis distinct, loreal region sloping 

 outwards ; interorbital space broader than the upper eye-lid : tympanum distinct, 

 one-fourth the area of the eye. Fingers strongly webbed, the web extending to the 

 penultimate phalanx of the third finger ; toes fully webbed. Discs of the fingers 

 not (juite as large as the tj-mpanum ; a fold along the inner edge of the tarsus. 

 The distance between vent and snout equals that between vent and heel. Skin 

 smooth above, granular below ; a fold above the tympanum, none across the chest. 

 Uniform brownish above (in spirit), whitish below. 



Distance of snout from veut . . . .52 millimetres. 

 Length of hind-limb ...... 1)2 „ 



EXPLANATION UF THE I'LATES. 



riate XI. Upper and side views of Carpkodactylus laetis. Side and lower 

 views of third toe (enlarged). 



Plate XII. PhjUuriis Iklienoxnfi. Fig. A. Upjier view of tail of Ph. /Aaturus. 

 Fig. B. Upper view of tail of I'h. Uclienosus (reproduced). 



