14, HYLAMBATES.—15, HYLIXALUS. 137 
9. Hylambates dorsalis. 
Hylambateg dorsalis, Peters, Mon. Berl. Ac. 1875, p. 209, pl. 3. f. 5. 
Vomerine teeth in two small groups between the choane. Tym- 
panum one thjrd the width of the eye. Fingers free (?), toes half 
webbed; disks moderate; inner metatarsal tubercle small. The 
hind limb being carried forwards along the body, the tibio-tarsal 
articulation /reaches the eye. Skin of upper surfaces with a few 
slight folds/and small scattered tubercles ; belly and under surface 
of thighs granular. Dark brown above, with a broad lght band, 
narrowed posteriorly, along the middle of the back; limbs cross- 
barred. 
Yoruba, Lagos. 
2] 
10. Hylambates microtympanum. 
Hylambates microtympanum, Boettg. Zool. Anz. 1881, p. 47, and Abh, 
Ver. Brem. vii. p. 185. 
Vomerine teeth in two oblique groups extending beyond the level 
of the hinder edge of the choane. Tympanum one third the width 
of the eye, slightly distinct. Outer fingers webbed at the base; 
toes two-thirds webbed ; disks small. Skin smooth, granular on the 
belly and under the thighs. Grey above, elegantly variegated with 
blackish, white-edged confluent spots; sides spotted and speckled 
with white ; limbs cross-barred ; entirely brown beneath. 
Madagascar. 
| 11. Hylambates? cameronensis. 
Petropedetes cameronensis, Reichenow, Arch. f. Naturg. 1874, p. 290, 
plot t2: 
Platymantis cameronensis, Peters, Mon. Berl. Ac, 1875, p. 211. 
Vomerine teeth in two small groups behind the level of the 
choane. Tympanum half the width of the eye. Fingers free, toes 
half webbed; disks moderate; inner metatarsal tubercle small. 
The hind limb being carried forwards along the body, the tibio- 
tarsal articulation reaches the eye. Skin of back with small 
tubercles and four longitudinal glandular folds; smooth beneath. 
Reddish brown abeve, with black markings. 
Bambia, Cameroons. 
15, HYLIXALUS. 
Hyloxalus. Espada, Jorn. Sc. Lisb. iii. 1870, p. 59. 
Pupil horizontal. Tongue heart-shaped, free behind. Vomerine 
teeth none. Tympanum distinct. Fingers free, toes webbed, di- 
lated into distinct disks, each of which exhibits two leathery dermal 
scales on the upper side, separated by a fissure. Outer metatarsals 
