11. EAPPIA. 121 



fourths welibed. Skin smooth above. Dark olive-green above ; an 

 indistinct blackish Hue from the tip of the snout through the eye 

 to the temporal region ; a rather iU-defiued whitish streak from the 

 eye to the groin ; thighs not coloured. Male with a kidney-shaped 

 adhesive gular disk. 

 Madagascar. 



3. Rappia fulvovittata. 



Hyperolius fulvovittatus, Co^ie, Proc. Ac. Philad. 1863, p. -517. 



quiiiquevittatus, Bocage, Jorn. Sc. Lish. 18(36, i. p. 77. 



Rappia fulvovittata, Giinth. Proc. Zool. Sue. 1808, p. 479. 



? Hvperolius fimbviolatus, Buchh. S)- Peters, Mon. Berl. Ac. 1876, 



Hyperolius vittiger, Peters, Mon. Berl. Ac. 1876, p. 122. 



Snout rounded, as long as the orbital diameter ; tympanum 

 hidden. Fingers one-third, toes two-thirds webbed. The hind 

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

 lation does not reach the ej^e. liody slender. Skin smooth, granu- 

 lar on the belly ; no strong fold across the chest. Light yellowish 

 brown above; a black baud from the tip of the snout through the 

 eye along the side of the body ; two others along the middle of the 

 back, meeting between the eyes ; thighs coloured. 



W. Africa. 



a. $ . Diique de Bragance. Prof. Barboza du Bocage [P.]. 



4. Rappia tristis. 



Hyperohus tristis, Bocage, Jorn. Sc. Lisb. 1866, i. p. 76. 



Snout rather long, rounded ; tympanum hidden. Fingers 

 ■webbed at the base ; toes nearly entirely webbed. Skin smooth 

 above, with a few folds along the back, granular on the belly and 

 under the thighs. Dark greenish brown above, covered with con- 

 fluent black dots ; upper surface of thighs yellowish grey, speckled 

 with black ; a broad black line along the cauthus rostralis and 

 through the eye to the shoulder. 



Duque de Bragance, Angola. 



5. Rappia marmorata. 



Hyperolius viridiflavus, {non B. i^- B.) Giintli. Cat. p. 85, 



marmoratus, Giinth. I. c. p. 85. 



parallelus, Giinth. I.e. p. SQ, pi. viii. f. A. 



tseuiatus, Giinth. I. c. p. 87. 



marginatus, Giinth. I. c. p. 87. 



Hyperolius marmoratus, JRapp, Arch. f. Natttrg. 1842, p. 289, t. 6; 

 Smith, III. S. Afr., Eept., App. p. 26 ; Bocage, Jorn. Sc. Lisb. 

 18UG, i. p. 74; Stcincl. Xovara, Amph. p. 50, pi. 2. f. 19 & 20. 



txMiiatus, Peters, Arch. f. Xaturg. 1855, p. 57. 



marginatus, Peters, I. c. 



