HERPETOLOGY OF JAPAN. 



91 



the opposite edges of the dorsal and lateral dark bands are very 

 sharply defined and emphasized by a very narrow light line; a dark 

 band on the posterior aspect of the thighs, joining in an arch over 

 the arms; a pale band from eye to the insertion of the fore leg; 

 limbs with dark crossbars; underside whitish, heavily marbled with 

 dark brownish gray on chin and throat, less so on anterior and 

 lateral parts of belly; only a small portion of the latter posteriorly is 

 immaculate. 



Dimensions. 



mm. 



Total length from snout to vent 28 



Greatest width of body 20 



Width of head at posterior angle of eye 8 



Fore limb 13 



Hind limb 43 



Tibia 14 



The adult male is somewhat smaller than the female, with slightly 

 longer hind legs; throat distinctly blackish. 



Variation. — The pale line down the middle of the back is often 

 lacking and the faint wavy lines between the broad, heavj^ dorsal 

 and lateral bands are often very faint or absent. 



Habitat. — This species inhabits the islands between Japan and 

 Formosa, from Okinawa shima southward, as shown by numerous 

 specimens collected in the latter island and Ishigaki shima, of the 

 Yaeyama subgroup. 



Whether the species also occur on Miyako shima is not known. 



List of specimens of Microhyla ohinavensis. 



