350 Dr. A. Giinther on two neio Australian Frogs. 



region, but that of the entire back is thickened bj numerous 

 glands. Fingers free ; toes with a narrow web and fringe. 

 A large shovel-like metatarsal prominence ; no other tubercle. 

 Clavicle present. Transverse process of sacral vertebra much 

 dilated. 



Notaden Bennettii. 



Ground-colour greenish, with a very broad brownish band, 

 marbled with black, along the middle of the back ; it bifurcates 

 anteriorly on the head, leaving the forehead greenish, and emits 

 a transverse bar on each side of the back behind the shoulder. 

 Limbs blackish, with a few small white specks. Throat with 

 scattered black spots ; abdomen whitish. 



lines. 



Length of the body 21 



„ fore Hmb 12 



„ hind Hmb 22 



Mr. Krefft writes to me that this frog " comes from the 

 Castlereagh River ; but it has been also observed near Fort 

 Bourke." I have named this remarkable form after Dr. G. 

 Bennett, to whom we are indebted for many specimens of the 

 greatest interest. 



Chiroleptes platycephalus. 



Head large, broad, depressed, with its sides shelving ; eyes 

 small, shorter than the snout ; canthus rostralis none ; nostrils 

 directed upwards ; tympanum very indistinct, smaller than the 

 orbit ; choange and openings of the Eustachian tubes of equal 

 and moderate width. Tongue rounded behind. Skin of the 

 upper parts nearly smooth, with a few very small tubercles on 

 the back. Inner finger distinctly opposite to the others, as 

 long as the fourth, which is considerably shorter than the third. 

 Second finger feeble and short. Toes depressed, broadly 

 webbed ; the third very little longer than the fifth ; subarticular 

 tubercles very little developed. Inner metatarsal tubercle 

 shovel-like, with blunt edge ; no outer tubercle on the meta- 

 tarsus. Uniform greenish olive above, whitish below, with 

 some small greenish spots on the throat. 



lines. 



Length of the body 25 



Width between the angles of the mouth .... 12 



Length of fore limb 16 



„ hind limb 35 



,, tarsus 5 



,, hind foot 10|- 



One specimen, from Fort Bourke. 



