180 DYSCOPHID A. 
Synopsis of the Genera. 
Precoracoids present ; sternum very large; tips of fingers and toes 
AVG ONCMLA LOR ch tye sale Ye eners id Ake a 15% 1. Dyscophus, p. 180. 
Precoracoids present ; sternum small; tips of fingers and toes not 
CETTE N72 Sy ea a a ae ere RE Be 2. Calluella, p. 181. 
Precoracoids none; sternum small; tips of fingers and toes dilated. 
3. Cophyla, p. 182. 
1. DYSCOPHUS. 
Dyscophus, Grandid. Ann, Se. Nat. (5) xv. 1872, a. 20, p. 10. 
Pupil erect. Tongue oval, entire and free behind. Yomerine 
teeth in a long series across the palate. A cutaneous, denticulated 
fold across the palate, between the choane. ‘T'ympanum 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 insularis. 
Dyscophus insularis, Grandid. 1. ¢. 
Kaloula guineti, Grandid. Ann. Sc. Nat. (6) i. a. 6, and Bull. Soc. 
Philom., (7) i. p. 41.- 
Vomerine teeth in a long transverse series, interrupted in ‘tie 
middle. Tympanum hidden. A shoyel- shaped metatarsal tubercle. 
Head and body smooth, flanks and belly granular. Reddish brown 
above, vermiculated with darker brown; the markings bordered 
with very narrow yellow lines ; flanks reddish ; belly reddish brown. 
Madagascar. 
Pa, Skin. Madagascar. 
2. Dyscophus antongilii. 
Dyscophus insularis, var. antongilii, Grandid. Bull. Soc, Philom. (7) 
i. p. 41, 
sanguineus, Boettger, Zool. Anz. 1880, p. 567. Ae 
‘Vomerine teeth in a long, scarcely interrupted series across’ the 
palate, behind the choanze. Snout short, rounded; canthus ros- 
tralis slightly distinct ; interorbital 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 ; 
subarticular tubercles well developed; inner metatarsal tubercle 
rather strong, oval, compressed, with blunt edge ; no outer tubercle. 
The hind limb being carried forwards along the body, the tarso- — 
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IT Petne 
