11. EAPPIA, 127 



20. Rappia pusilla. 

 Crumenifera piisilla, Cope, Proc. Ac. Philad. 1862, p. 343. 



Snout short, truncate; tympanum hidden. Fingers one-fourth, 

 toes three-fourths webbed. Skin smooth, transversely areolatc on 

 the belly. Pale straw-colour ; a faint brown line on the cauthus 

 rostralis. Male with a large vocal vesicle, which is prolonged pos- 

 teriorly, and bound beneath by a median frenum, on each side of 

 which a plicate pouch projects deeply into the vesicular cavity. 



Umvoti, W. Africa. 



21. Rappia microps. 



? Hrperolius sugillatus, Cope, Proc. Ac. Philad. 1862, p. 342. 

 Hyperolius microps, Giinth. Proc. Zool. Sac. 1864, p. 311, pi. 27. f. 3 ; 



Socage, Jorn. So. Lish. 1866, i. p. 75. 

 ? Hyperolius heuglini, Steind. Verh. zool.-bot. Ges. Wien, 1864, 



p. 244, pi. 15. f. 4. 

 Rappia microps, Giinth. Proc. Zool. Soc. 1868, p, 481. 



Snout rounded, a little longer than the orbital diameter ; tympa- 

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

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

 articulation reaches in front of the eye. Skin smooth, slightly 

 granular on the belly ; a strong fold across the chest. Light brown 

 above ; a white line along the canthus rostralis, continued behind 

 the eye along the anterior half of the length of the body ; its rostral 

 portion with a dark-brown inferior margin ; a few minute dark- 

 brown dots on the head. !Male with a subgular vocal sac and an 

 adhesive disk covering the throat. 



E. Africa. 



b. 2 ■ Zambesi Expedition. Sir J. Kirk [C.]. ( "^•'T^^- 



22. Rappia nasuta. 



Hyperolius nasutus, Giinth. Proc. Zool. Soc. 1864, p. 482, pi. 33. f. 2. 

 Kappia nasuta, Giinth. Proc. Zool. Soc. 1868, p. 481. 



Snout pointed, produced, longer than the orbital diameter ; tym- 

 panum hidden. Fingers one-third, toes half webbed. The hind 

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

 lation reaches nearly the tip of the snout. Skin smooth, slightly 

 granular on the belly ; no strong fold across the chest. Brownish, 

 with small blackish dots on the head and back. 



Angola. 



o^ 



a. 2 • Duqiue de Bragance. Prof. Barboza du Bocage [P.]. (Type.) 



