124 RANTD^. 



the belly ; no strong fold across the chest. Light reddish brown 

 above, with small rounded black spots ; sides dark brown, with 

 white spots ; a narrow brown streak along the upper side of the 

 thighs, 



W. Africa. 



Types. 



a. 2 . Fernando Po. I 



h. Hgr. Angola. ( 



10. Rappia concolor. 



Hyperolius modestus, Guntk. Cat. p. 88. 

 Ixalus concolor, Halloio. Proc. Ac. Philad. 1844, p. 60. 

 Hyperolius concolor, Cope, eod. loc. 1802, p. 342 ; Peters, Mon. Berl. 



Ac. 1875, p. 208. 

 ? Hyperolius coccotis, Co2)e, I. c. p. 342. 



Snout subtri angular, a little longer than the greatest orbital dia- 

 meter ; tympanum hidden. Fingers webbed at the base ; toes 

 two-thirds 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 ; no strong fold across 

 the chest. Greenish above, uniform ; thighs colourless, except a 

 narrow, rather indistinct, whitish vitta along their upper surface. 



Tropical Africa. 



a. 2 • Gold Coast, (Type of Hyperolius modestus.) 



b. 5 . Shire Valley, Zambesi. 



c-d. 5 , Zambesi Expedition. Sir J. Kirk [P.]. 



e. $ , QueUimane. Sir J. Kirk [P.]. 



11. Rappia fuscigula. 



Hyperolius fuscigula, Bocagc, Jam. Sc. Lisb. 1866, i. p. 76. 

 Eappia fuscigula, Gilnth. Proc. Zool. Sac. 1868, p. 479. 

 Hyperolius olivaceus, Buchh. ^- Peters, Mon. Berl. Ac. 1876, p. 120. 



Snout rounded, as long as the orbital diameter ; tympanum 

 hidden. Fingers one-third, toes three-fourths webbed. The hind 

 limb being carried forwards along the body, the tibio-tarsal articu- 

 lation reaches the eye. Skin smooth, granular on the belly and 

 under the thighs ; no strong fold across the chest. Uniform bluish 

 green above ; a blackish line along the flanks ; upper side of thighs 

 blackish, with a light median stripe. 



W. Africa. 



a. 2 . W. Africa. ' J. C. Salmon, Esq. [P.]. 



6. 2 AV. Africa. 



c-d, e. 2 . Eloby District, Gaboon. H. Ansell, Esq. [P.]. 



12. Rappia idse. 



Hyperolius idos, Sieind. Novara, Amph. p. 51, pi. 5. f. 10. 



Snout rounded, as long as the orbital diameter ; tympanum 



