467 



3 b. Ehacophorus boettgeri. 



Hylambates microtympanum, Boettger, Zool. Anz. 1881, p. 47, and 

 Abh. Vet: Brem. vii. p. 185, and Abh. Senckenb. Qes. xii. p. 514. 



Vomerine teett in two small groups behind the level of the 

 choanse. Snout rounded ; canthus rostralis rounded ; loreal region 

 slightly concave ; nostril halfway between the eye and the tip of 

 the snout ; interorbital space broader than the upper eyelid ; tym- 

 panum small, indistinct. Fingers webbed at the base ; toes two- 

 thirds webbed ; dislss very small ; subarticular tubercles not much, 

 developed; a small inner metatarsal tubercle. .The hind limb being 

 carried forwards along the body, the tibio-tarsal articulation reaches 

 the posterior border of the eye. Skin smooth above, granulate 

 beneath. Green or greyish-olive above, with small insuliform, light- 

 edged reddish-brown spots or ocelli ; a brown, above light-edged 

 streak from the tip of the snout through the eye along the side of 

 the body ; latter brown, white-spotted ; a brown light-edged line 

 along both sides of the limbs ; hinder side of thighs brown, white- 

 spotted ; beneath dirty white or brownish, v ith or without darker 

 marblings on the throat and breast. Male with an interna,! vooal sac. 



Madagascar. 



a-b, o-d. cJ 5 . East Betsileo, Rev. Deans Cowan [0.]. 



e-f. 5 . Ankafana, Betsileo. Rev. Deans Cowan [C.]. 



3 c. Rhacophorus pidcher. , 



Vomerine teeth in two small oblique groups, commencing from 

 the inner hinder edge of the choanae. Head depressed ; snout 

 pointed; canthus rostralis angular ; loreal region nearly vertical ; 

 nostril nearer the tip of the snout than the eye ; interorbital space 

 broader than the upper eyelid ; tympanum moderately distinct, one 

 third the diameter of the eye. Fingers webbed at the base ; toes 

 not quite half webbed ; disks as large as the tympanum ; subarti- 

 cular tubercles not much developed ; two small metatarsal tubercles. 

 The hind limb being carried forwards along the body, the tibio- 

 tarsal articulation reaches the eye. Skin smooth above and beneath. 

 Light olive above, punctate with yinaceous red ; a streak of the 

 same colour from the tip of the snout through the eye to the middle 

 of the side, where it ends in a large spot ; lower surfaces not 

 coloured. The skeleton bright green. From snout to vent 25 miUim. 



Madagascar. 



a-e. Yg, Ankafana, Betsileo, Rev. Deans Cowan [C.]. 



3 d. lihacopliorus depressiceps. 



Vomerine teeth in two slightly oblique groups behind the level of 

 the choanae. Head much depressed ; snout subacuminate ; canthus 

 rostralis angular; loreal region slightly concave, nearly vertical; 



2h2 



