180 DTSCOPHID^. 



Synopsis of tJie Genera. 



Prccoracoids present ; sternum very large ; tips of fingers and toes 

 not dilated 1. Dyscophus, p. ISO. 



Prccoracoids present ; sternum small ; tips of fingers and toes not 

 dilated 2. Calluella, p. 181. 



Precoracoids none ; sternum small ; tips of fingers and toes dilated. 



3. Cophyla, p. 182. 



1. DYSCOPHUS. 



Dyseoplius, Grandid. Ann. >Sc. Ned. (5) xv. 1872, a. 20, p. 10. 



Pupil erect. Tongue oval, entire and free behind. Yomeriue 

 teeth in a long series across the palate. A cutaneous, denticulated 

 fold across the palate, between the choanoD, Tympanum distinct or 

 hidden, Fingers free ; toes webbed, the tips not dilated. Outer 

 metatarsals united. Coracoids strong : precoracoids weak, imper- 

 fectly ossified, resting upon coracoids : omosternum cartilaginous ; 

 sternum a very large anchor-shaped cartilaginous plate. Diapo- 

 physes of sacral vertebra moderately dilated. Terminal phalanges 

 simple. 



Madagascar. 



1. Dyscophus insiilaris. 



Dyscophus insularis, Grandid. I. c. 



Kaloula guiueti, Grandid. Ann. Sc. Nat. (0) ii. a. C, and Lull. Sac. 

 Fhihni. (7) i. p. 41. 



Vomerine teeth in a long transverse series, interrupted in the 

 middle. Tympanum hidden. A shovel-shaped metatarsal tubercle. 

 Head and body smooth, flanhs and belly granular. Peddish brown 

 above, vcrmiculatcd with darker l)rown ; the markings bordered 

 with very narrow yeUow lines ; flanks reddish ; belly reddish brown. 



Madagascar. 



? a. Skin. Madagascar. 



2. Dyscophus antongilii. 



Dyscophus insulaiis, var. antongilii, Grandid. Bull. Sac, Pkilom. (7) 



"i. p. 41. 

 sanguineus, I)oetf(/er, Zool. Anz. ] 880, p. 5G7. 



Vomerine teeth in a long, scarcely interrupted scries across the 

 palate, behind the choana?. Snout short, rounded ; canthus ros- 

 tralis slightly distinct ; intcrorbital space a little broader than the 

 upper eyelid : tympanum distinct, vertically oval, its vertical diameter 

 two thirds the greatest diameter of the eye. First and second 

 fingers equal ; toes one-third webbed ; tips of fingers and toes blunt ; 

 snbarticular tubercles well develo]ied ; inner metatarsal tubercle 

 rather strong, oval, compressed, with blunt edge ; no outer tubercle. 

 The hind limb being carried forwards along the body, the tarso- 



