128 RANID. 
12. MEGALIXALUS. 
Eucnemis, sp., Tschudi, Batr. p. 835; Dum. & Bibr. viii. p. 525. . 
Hyperolius, sp., Zapp, Arch. f. Naturg. 1842, p. 289; Giinth. Cat. 
p. 85; Cope, Nat. Mist. Rev. 1865, p. 116. 
Rappia, sp., Giinth. Zool. Rec. i. p. 130. 
Megalixalus, sp., Giinth. Proc. Zool. Soc. 1868, p. 485. 
Pupil vertical. Tongue heart-shaped or subrhomboidal, nicked 
and free behind. Vomerine teeth none. Tympanum distinct or 
hidden. Fingers and toes more or less webbed, the tips dilated into 
large disks. Outer metatarsals not separated. Omosternum and 
sternum with a bony style. Terminal phalanges obtuse. 
Tropical Africa. 
Synopsis of the Species. ‘ 
I. Tympanum distinct. 
Ringersshalt webbed jcc. waN leone ee 1. seychellensis, p. 128. 
Fingers slightly webbed .......... 2. flavomaculatus, p. 128. 
Il. Tympanum hidden. 
Skin quite smooth above; tongue 
Supriom boidal snc s wc <b eeteets eee 3. madagascariensis, p. 129. 
Skin quite smooth above; tongue heart- 
SIA POO, eos isi ale Gains «4 cde ee 4. leptosomus, p. 129. 
Skin of upper surfaces with very small 
HUBELCLOS % 0 dc). dre acne ions Boe 5. fornasinii, p. 180. 
Upper surface of head studded with 
acute tubercles ios 2%. «fi faye 6. spinifrons, p. 130. 
Skin of upper surfaces covered with 
spinous warts; fingers two-thirds 
WOU DEM. 2.250 o's pit csc are eine tee 7. spinosus, p. 130. 
1. Megalixalus seychellensis. 
Hyperolius seychellensis, Giinth. Cat. p. 89. 
Eucnemis seychellensis, 7'schudt, Batr.p. 76; Dum. § Bibr. p. 537. 
Megalixalus infrarufus, Giinth. Proc. Zool. Soc, 1868, p. 485, 
Tongue subrhomboidal, nicked behind. Head large; snout 
rounded, longer than the orbital diameter; tympanum distinct. 
Fingers half webbed, toes nearly entirely webbed. The hind limb 
being carried forwards along the body, the tibio-tarsal articulation 
reaches the eye. Skin smooth, granular on the belly and under the 
thighs. Uniform greenish above, rufous beneath ; lips and upper 
eyelid margined with white ; thighs coloured. 
Seychelles, 
a-b. 9 & yg. Seychelles, E. P. Wright, Esq. [P.]. (Types of 
Megalixalus infrarufus.) 
2. Megalixalus flavomaculatus. 
ee ameralasy Ginth. Proc. Zool. Soc. 1864, p. 310, 
p ~4f.i. i. 
Rappia flavomaculata, Giinth. Proc. Zool, Soc. 1868, p. 481. 
