112 RANIDA. 
webbed, the tips not or but little dilated. Outer metatarsals 
separated by web. Omosternum and sternum with a bony style; 
terminal phalanges simple or slightly dilated. 
Africa. 
Synopsis of the Spectes. 
Habit stout; tympanum hidden.......... 1. natalensis, p. 112. 
Habit slender ; tympanum hidden ........ 2. plicatus, p. 112. 
Habit slender; tympanum distinct........ 3. acridoides, p. 118. 
1. Phrynobatrachus natalensis. 
Stenorhynchus natalensis, Giinth. Cat. p. 153. 
Stenorhynchus natalensis, Smith, Ill. S. Afr., Rept., App. p. 25. 
Phrynobatrachus natalensis, Giinth. Proc. Zool. Soc. 1862, p. 190, & 
1864, p. 480; Bocage, Jorn. Se. Lish, 1866, i. p. 54. 
Dicroglossus angustirostris, Cope, Proc. Ac. Philad. 1862, p. 341. 
Arthroleptis natalensis, Peters, Mon. Berl. Ac, 1875, p. 210. 
Tongue with a free conical papilla in the middle. Habit stout. 
Head small ; snout short, subacuminate, without canthus rostralis ; 
interorbital space narrower than the upper eyelid ; tympanum indis- 
tinct, half as large as the eye. First finger not extending quite as 
far as second; toes half webbed ; subarticular tubercles well deve- 
loped ; two small tubercles on the metatarsus and another on the 
middle of the inner edge of the tarsus. The hind limb being carried 
forwards along the body, the tarso-metatarsal articulation reaches the 
tip of the snout. Above with irregular flat warts. Olive above, 
indistinctly marbled with darker ; legs cross-barred ; whitish beneath, 
the throat brown-spotted in the female, blackish in the male. Male 
with an external subgular vocal sac. 
South and West Africa. 
Gs Natal. Sir A. Smith [P.]. 
bg. Natal. J. Ayres, Esq. [P.]. (Type of 
; Phrynobatrachus natalensis.) 
c-f. dQ. Duque de Bragrance. Dr. Barboza du Bocage [P. ]. 
2. Phrynobatrachus plicatus. 
Hyperolius plicatus, Giinth. Cat. p. 88, pl. vii. f. G. 
Staurois plicatus, Cope, Nat. Hist. Rev. 1865, p. 117. 
Heteroglossa plicata, Cope, Journ, Ac. Philad. 1867, vi. p. 198. 
Arthroleptis plicata, Peters, Mon. Berl. Ac. 1875, p. 210. 
Tongue with a free conical papilla in the middle. Habit slender. 
Head moderate ; snout subacuminate, with angular canthus rostralis; 
interorbital space a little broader than the upper eyelid ; tympanum 
hidden, First finger as long as second; toes two-thirds webbed ; 
tips of fingers and toes dilated into small disks; two small meta- 
tarsal tubercles. The hind limb being carried forwards along the 
