112 EANID^. 



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. 



Syaojpsis of the Species. 



Habit stout; tympanum hidden 1. natalensis, p. 112. 



Habit slender ; tympanum hidden 2. plicatus, p. 112. 



Habit slender; tympanum distinct 3. acridoides, p. 113. 



1. Phrynobatrachus natalensis. 



Stenorbj'uchus natalensis, Gibith. Cat. p. 133. 

 Stenorhjaichus natalensis, Smith, III. S. Afr., liept., App. p. 23. 

 Phrynobatrachus natalensis, G'dnth. Proc. Zool. Soc. 1862, p. 190, lS; 



1861, p. 180 ; Bocaffe, Jorn. <Sc. Lisb. 1866, i. p. 54 

 Dicroglossus angustirostris, Cope, Proc. Ac. Philad. 1862, p. 341. 

 Arthroleptis natalensis, Peters^ Mon. Bed. Ac. 187o, p. 210. 



Tongue with a free conical papilla in the middle. Habit stout. 

 Head small ; snout short, subacuminate, Avithout 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. 



a. 2 . Natal. Sir A. Smith [P.]. 



6,$. Natal. J. Ayres, Esq. [P.]. (Type of 



Phri/iiobafracJtJis nafuleDsis.) 

 c-f. (S $. Duque de Bragrance. Dr. liarboza du Bocage [P.]. 



2. Phrynobatrachus plicatus. 



Hyperolius plicatus, GilntJi. Cat. p. 88, pi. vii. f. G. 

 Stam-ois plicatus, Cope, Kat. Hist. Her. 1865, p. 117. 

 Heteroglossa plicata, C'o^je, Journ. Ac. Philad. 1867, vi. p. 198. 

 Arthroleptis plicata, Peters, Hon. Berl. Ac. 1875, p. 210. 



Tongue with a free conical papilla in the middle. Habit slender. 

 Head moderate ; snout subacuminate, with angidar 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 



