7. MYOBATRACHUS.—8. RHINOPHRYNUS. 329 
Pupil erect. Tongue small, elliptical, entire and free behind. 
Palate smooth. Tympanum distinct. Fingers and toes free, the 
tips not dilated. Outer metatarsals united. Epicoracoid cartilages 
narrow, scarcely overlapping; no omosternum; sternum cartila- 
ginous, ossified on the median line. Diapophyses of sacral vertebra . 
rather strongly dilated. Terminal phalanges simple. 
Australia. 
ik; Myobatrachus gouldii. 
Myobatrachus paradoxus, Giinth. Cat. pp. 3 & 128. 
Chelydobatrachus gouldii, Giinth. 1. c. p. 53. 
Breviceps gouldii, Gray, in Grey’s W. Austr. ii. p. 448, pl. i. f. 1. 
Myobatrachus paradoxus, Schleg. Proc. Zool. Soe. 1850, p. 9, and 
‘Handi. Dierk. ii. pl. 4. £.76 ; Peters, Mon. Berl. Ac. 1867, p. ai 
Myobatrachus gouldii, Gray, Proc. Zool. Soc. 1850, p. 10. 
Habit extremely stout. Head very small, with short rounded 
snout ; canthus rostralis absent; crown swollen; eye very small; 
tympanum more or less distinct, rather larger than the eye. Limbs 
excessively short; fore limb very strong, adapted for burrowing ; 
fingers short, much depressed; hind limb weaker; toes not longer 
than the fingers, also much depressed; subarticular tubercles in- 
distinct ; two rather indistinct flat metatarsal tubercles, outer 
largest. Skin smooth, or with small scattered tubercles. Above 
greyish brown, beneath lighter. Male with a subgular vocal sac. 
W. See. 
e 2. W. Australia. Mr. Gilbert. (Type.) 
Houtmans Abrolhos, 
d-e. dQ. Swan River. Sir A. Smith [P.]. 
8. RHINOPHRYNUS. 
Rhinophrynus, Dum. & Bibr. viii. p. aS Giinth. Cat. p. 127; Cope, 
Nat. Hist. Rev. 1865, p. 100. 
Pupil erect. Tongue elongate, subtriangular, free in front. 
Palate smooth. No tympanum. Fingers free; toes webbed, the 
tips not dilated. Outer metatarsals united. Epicoracoid cartilages 
narrow, scarcely overlapping; no omosternum; sternum rudimen- 
tary. Diapophy ses of sacral vertebra rather strongly dilated. Ter- 
minal phalanges simple. 
Mexico. 
1. Rhinophrynus dorsalis. 
Rhinophrynus dorsalis, Giinth. Cat. p. 127, pl. xii. 
Rhinophrynus dorsalis, Dum. § Bibr. p. 758, pl. 91. f 2; Giinth. 
Proc. Zool. Soe. 1858, p. 399. 
rostratus, Brocchi, Bull. Soc. Philom. (7) i. p. 196, and Miss. 
Se, Mex., Batr. pl. 9.f. 1. 
