FROGS OF THE GENUS MANTIDACTYLUS. 



261 



length from snout to vent, as long as or a little shorter than the 

 foot. Skin finely granulate above, with or without elongate flat 

 warts on the sides of the body ; a strong, curved glandular fold 

 from the eye to the shoulder ; lower parts smooth ; femoral gland 

 more or less distinct, with a single pit, or absent. Brown above, 

 spotted or marbled with darker, often with a large dark trian- 

 gular spot between the eyes; a dark can thai streak .and a tem- 

 poral band, usually light-edged beneath ; a yellow vertebral streak 

 sometimes present ; limbs with more or less distinct dark cross- 

 bands ; hinder side of thighs usually dark brown, with small 

 yellow spots. White beneath, uniform or mottled with brown, 

 or nearly entirely brown. Male without vocal sacs. 



Nasal bones rather large, narrowly separated from each other 

 and from the frontoparietals. 



From snout to vent 65 millim. 



Several specimens from the Ambohimitombo Forest, Mada- 

 gascar, from the collection of Dr. Forsyth Major, 1896. 



Proc. Zool. Soc— 1919, No. XIX. 



19 



