178 ENGtYBTOMAHDa). 



18. HEMISUS*. 



Hemisus, Cf'iinth. Cat. p. 47 ; Cope, Nut. Hist. Rev. 1865, p. 100, and 



JbMrn. ^c. PAifc(?. (2) vi. 1867, p. 199. ...,„„„ ,_. 

 Kakophrynus, Steindachn. iSitz. Ah. Wien, xlviu. 1863, p. 191. 



Pupil erect. Tongue subtriangular, broader in front. A cuta- 

 neous ridge across tlie palate, between the choanse, and anotber in 

 front of tbe oesopbagus. No tympanum. Fingers free ; toes free 

 or slightly webbed at the base, the tips not dilated. _ Outer meta- 

 tarsals united. Coracoids and precoraooids subequal in bulk ; pre- 

 coracoids horizontal, coracoids very obliquely directed backwards, 

 latter connected with former by the simple epicoracoid cartilage ; 

 omosternum cartilaginous ; sternum rudimentary. Diapophyses of 

 sacral vertebra slightly dilated. Terminal phalanges simple. 



Africa. 



1. Hemisus guttatum. 



Hemisus guttatum, part., Giinth. Cat. pp. 47 & 137. 

 Engvstoma guttatum, Hajpp, Arch. f. Natwg. 1842, p. 290, pi. 6. 

 f.'S & 4 ; Smith, III. S, Afr., Rept, App. p. 27. 



Sternal apparatus. 



Habit stout. Head small ; sno lit rather pointed, prominent, cunei- 

 form ; mouth small ; lower jaw with three prominences in front ; 

 eye small; interorbital space broad. Pore limb short, clumsy, 

 adapted for burrowing ; fingers very short, pointed, first and second 

 equal, fourth shorter. Hind limb short, the tarso-metatarsal arti- 

 culation marking the eye ; toes short, pointed, free, without subar- 

 ticular tubercles ; a small inner metatarsal tubercle. Skin smooth ; 

 a fold across the head, behind the eyes. Brown above, with round 

 whitish spots. Male with a subgular vocal sac. 



S. Africa. 



a. cJ . Natal. Sir A. Sjnith [P.]. 



2. Hemisus sudanense. 



Hemisus guttatum, part., Giinth. Cat. pp. 47 & 137. 

 PEngystoma marmoratum, Peters, Arch.f. Naturg. 1855, p. 58. 



* Semisiis obscurus, Q-randid. Ann. Se. Nat. (6) xt. a. 20, p. 11. — ^Madagascar. 



