176 Proceedings of the Royal Society of Victoria. 



previous to its capture. Fortunately Mr. Frost was able to 

 secure at a latter time, two more specimens in a fresh state. 

 The specimens were sent to my friend, Mr. J. J. Fletcher, to 

 whose work we owe much in regard to our knowledge of 

 Australian Amphibia, and, as they were Victorian forms, he 

 most generously suggested that they should be described by 

 myself. 



It is somewhat difficult to fix the exact relationship of this 

 frog to other Australian Cystignathids ; it has the general body 

 form of Heleioporus, but otherwise has little relationship to the 

 latter, from which it differs in the entire absence of web, in the 

 direction of the pupil, and in the position of the vomerine teeth. 

 From Cheiroleptes it differs also in the absence of web (which, 

 though it may be very small in these two genera, is always 

 distinctly visible), and, though not to so great an extent as in 

 Heleioporus, in the position of the vomerine teeth and in the 

 unapposibility of the first finger. It is most closely allied to 

 Limnodynastes, but differs from this in the absence of the 

 vertical pupil and to a certain extent in the direction of the 

 vomerine teeth, which form two short distinct rows inclined at 

 an angle to one another, and do not extend sideways beyond the 

 level of the inner edges of the choanae. 



Philorla, gen. nov. 



Pupil horizontal. Tympanum not visil)le. Tongue subcirculai-, 

 free behind. Vomerine teeth in two inclined rows behind the 

 level of the choanae. Fingers and toes free, the tips not dilated. 

 Outer metatarsals firmly united. Diapophyses of sacral verte- 

 brae distinctly dilated. 



Philopia frosti, sp. n. 



Habit faii-ly stout, much resend)ling that of Heleioporus pictus. 

 Tongue subcircular, slightly nicked and free behind. Vomerine 

 teeth in two series inclined to one another at an angle behind the 

 level of the choanae, and not extending outwards beyond the 

 level of the inner edge of the choanae. Head broader than 

 long ; snout rounded, slightly longer than the orbital diameter ; 

 nostril nearer to the eye than to the tip of the snout ; canthus 



