ADDENDA. 467 



3 6. Rliacophorus boettgeri. 



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

 Abli. Ver. Brem. vii. p. 185, and Abh. Senckenh. Ges. xii. p. 514. 



Vomerine teeth in two small groups heliind the level of the 

 choante. Snout rounded ; cauthus 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 ; disks 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, Avhite- 

 spotted ; beneath dirty white or brownish, -syith or without darker 

 marblings on the throat and breast. Male with an internal vocal sac. 



Madagascar. 



a-h, c-d. S $ • East Betsileo, Bev. Deans Cowan [C.]. 



e-/. 2 . Ankafaua, Betsileo. Rev. Deans Cowan [C.]. 



3 c. Rhacophorus pulcher. 



Vomerine teeth in two small oblique groups, commencing from 

 the inner hinder edge of the choanse. 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 viuaceous red ; a streak of the 

 same colour from the tipof 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 millim. 



Madagascar. 



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



3 d. Ehacoplioriis depressiceps. 



Vomerine teeth in two slightly oblique groups behind the level of 

 the choanse. Head much depressed ; snout subacuminate ; canthus 

 rostralis angular ; loreal region slightly concave, nearly vertical ; 



2h2 



