ADDENDA. 467 
36. Rhacophorus boettgeri. 
Hylambates microtympanum, Boettger, Zool. Anz. 1881, p. 47, and 
Abh. Ver, Brem. vii. p. 185, and Abh. Senckenb. Ges. xii. p. 514. 
Vomerine teeth in two small groups behind the level of the 
choane. 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 ; 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, white- 
spotted; beneath dirty white or brownish, with or without darker 
marblings on the throat and breast. Male with an internal vocal sac. 
Madagascar. 
a-b, c-d. 3 Q. East Betsileo. Rey. Deans Cowan [C.]. 
ef. 2. Ankafana, Betsileo. Rev. Deans Cowan [C.]. 
3c, Rhacophorus pulcher. 
Vomerine teeth in two small oblique groups, commencing from 
the inner hinder edge of the choane. 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 vinaceous 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 millim. 
Madagascar. 
a-e. Yg. Ankafana, Betsileo, Rev, Deans Cowan [C.]. 
3d. Rhacophorus depressiceps. 
Vomerine teeth in two slightly oblique groups behind the level of 
the choane. Head much depressed; snout subacuminate ; canthus 
rostralis angular; loreal region slightly concave, nearly vertical ; 
2H 2 
