3, KHACOPHOEUS. 77 



2. Rhacophorus dispar. 



Polypedates dispar, Boettg. Ber. Senckenb. Ges. 1878-79, p. 86, and 

 Abhandl. Senckenb. Ges. xi. 1879, p. 32. 



Vomerine teeth in two groups behind the level of the hinder edgQ of 

 the choance. Snout as in R. maculatus ; canthus rostralis moderate ; 

 loreal region slightly concave ; tympanum about half the size of the eye. 

 Fingers slightly but distinctly webbed ; toes entirely webbed ; disks 

 moderate, much smaller than the tympaniim ; a small, prominent, 

 inner metatarsal tubercle. Tlie hind limb being cariied forwards 

 along the body, the tibio- tarsal articulation reaches in front of the eye. 

 Skin smooth above, with numerous small warts on the middle of the 

 back and along the limbs in the male ; granular beneath ; a fold 

 above the tympanum. Greyish or brown above, variously spotted 

 or dotted ■« ith blackish ; canthus rostralis blackish ; male with two 

 whitish lines aloiig each side of the back ; limbs cross-barred. 



Nossi Be, Madagascar. 



^o*- 



3. Ehacophorus crossleyi. 

 Polypedates crossleyi, Peters, Mo7i. Berl. Ac. 1874, p. 618. 



Yomerine teeth in two oblique groups beginning on a level with 

 the hinder edge of the choanae. Snout rounded ; canthus rostralis 

 distinct; loreal region very slightly concave ; nostril nearer the tip 

 of the snotit than the eye ; interorbital space broader than the upper 

 eyelid ; tympanum half the width of the eye. Fingers very slightly 

 webbed ; toes nearly entirely webbed ; disks of fingers and toes well 

 developed, as large as the tympanum ; subarticular tubercles mode- 

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

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

 the eye, or slightly beyond. Skin smooth, granular on the belly 

 and under the thighs ; a strong fold above the tympanum. Light 

 greyish brown above, with black specks ; loreal and temporal regions 

 darker ; limbs rather indistinctly cross-barred. Male with an in- 

 ternal vocal sac. 



Madagascar. 



a-b. S $• Madagascar, 



c. Hgr. Anzahamaru. 



4. Ehacophoriis ? lugnbris. 

 Polypedates lugubris, A. Bum. Ann. Sc. Kat. (3) xix. p. 157. 



Vomerine teeth in two oblique series between the choanae. Nos- 

 tril near the tip of the snout ; tympanum nearly as large as the eye. 

 Belly quite smooth. Blackish brown above, slightly speckled with 

 white ; belly whitish, mottled with black. 



Madagascar. 



