258 cystignatmd^:. 



rim of the eye ; behind the eye the vitta is superiorly margined with 

 white, and runs obliquely towards the occiput, hence, diverging 

 towards the sides, terminates about the middle of the trunk ; legs 

 barred with blackish brown ; reddish brown beneath ; on each side 

 a blackish-brown, elongated, tapering patch, proceeding from the 

 belly, inclined anteriorly towards the chest. 

 Rio Janeiro. 



19. LIMNODYNASTES. 



Limnodvnastes, Fitzinffer, Syst. Rept. p. 31 ; Giinth. Cat. p. 32 ; Cope, 



Nat. Hist. Rev. 1865, p. 113. 

 Cystignatlius, sp., Dum. fy Bibr. viii. p. 409. 

 Perialia, Gray T in Eyre's Journ. Exped. Centr. Austr. i. p. 406. 

 Wagleria, Girard, Proc. Ac. Philad. 1853, p. 421. 

 Platyplectrum, Giinth. Ann. fy May. N. H. (3) xi. p. 27; Cope, 



Journ. Ac. Philad. (2) vi. 1S66, p. 94. 

 Opisthodon, Steindachn. Novara, Amph. p. 9. 

 Heliorana, Steindachn. 1. c. p. 32. 

 Borborocoetes, sp., Cope, Journ. Ac. Philad. (2) vi. 1866, p. 94. 



Pupil erect. Tongue subcircular, entire or slightly nicked, and 

 free behind. Vomerine teeth in a series behind the choanae. Ear 

 perfectly developed ; tympanum not, or but slightly distinct. Fingers 

 free ; toes free or slightly webbed, the tips not dilated. Outer 

 metatarsals united. Omosternum cartilaginous ; sternum a carti- 

 laginous plate. Terminal phalanges simple. 



Australia. 



Synojisis of ilie Species. 



I. Inner metatarsal tubercle small, blunt. 

 Tarso-metatarsal articulation reaching be- 

 yond the tip of the snout : snout much 



longer than the orbital diameter 1. peronii, p. 258. 



Tarso-metatarsal articulation not reaching ' 



the tip of the snout ; first finger a little 



longer than second 2. salminii, p. 259. 



Tarso-metatarsal articulation not reaching 



the tip of the snout ; first finger not ex- 

 tending quite as far as second 3. tasmaniensis, p. 260. 



Tarso-metatarsal articulation reaching the 



tip of the snout ; snout not longer than 



the orbital diameter 4. platycephalus, p. 260. 



II. Inner metatarsal tubercle large, shovel-shaped. 



A large parotoid-like gland on the calf . . 5. dorsalis, p. 261. 

 No large gland on the calf 6. ornatus, p. 262. 



1. Limnodynastes peronii. 



LimnodyEastes peronii, Giinth. Cat. p. 134. 

 Cystignathus peronii, Dum. ty Bibr. p. 409. 



