120 RANIDE. 
Synopsis of the Species. 
I. Tympanum hidden. 
A. Fingers two-thirds webbed ...... 9. ocellata, p. 123. 
B. Fingers one-third or half webbed. 
1. horstockii, p.120. 2. renifer, p. 120. 3. fulvovittata, p. 121. 
5. marmorata, p. 121. 6. argus, p. 122. 7. salina, p. 123. 
8. lagoensis, p. 123. 11. fuscigqula, p. 124. 14. tuberilinguis, p. 125. 
6. guttulata, p. 125. 17. bocagit, p. 126. 21. microps, p. 127. 
2. nasuta, p. 127. 
C. Fingers not one-third webbed. 
A. tristis, p. 121. 10. concolor, p. 124. 18. rutenbergii, p. 126. 
9. cinctiventris, p. 126.» 20. pusilla, p. 127. 
II. Tympanum distinct. 
12. ide, p. 124. 13. steindachneri, p. 125. 15. reticulata, p. 125. 
= 
1. Rappia horstockii. 
Hyperolius horstockii, Giinth. Cat. p. 85. 
Hyla horstockii, Schleg. Abbild. p. 24. 
Eucnemis horstockii, Tschudi, Batr. p. 76; Dum. & Bibr. p. 529. 
Hyperolius horstockii, Steind. Novara, Amph. p. 50. 
Snout rounded, as long as or a little longer than the orbital 
diameter; tympanum hidden. Fingers half webbed; toes two- 
thirds webbed. ‘The hind limb being carried forwards along the 
body, the tibio-tarsal articulation reaches between the eye and the 
tip of the snout. Skin smooth, granular on the belly and under 
the thighs; no strong fold across the chest. Greyish or brown 
above ; a dark, above light-edged, band from the tip of the snout 
through the eye along each side of the body; thighs not coloured. 
Male with a subgular vocal sac and an adhesive disk covering the 
throat. 
S. Africa; Madagascar. 
a, Dis ©. S. Africa. Sir J. Richardson [P.]. 
Hs Cape of Good Hope. 
axe. Peri Bush. H. Trevelyan, Esq.[P.1. 
ee. S.E. Betsileo, Madagascar. 
7, 9. 2 
2. Rappia renifer. 
Hyperolius renifer, Boettger, Zoul. Anz. 1881, p. 46, and Abh. Ver. 
Brem. vii. p. 187. 
Head broad, broader than the body ; snout obtuse ; interorbital 
pace grooved ; tympanum hidden. Fingers one-third, toes three- 
