258 CTSTIGNATHID^. 



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

 white, and runs obhquely 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. 

 E,io Janeiro. 



19. LIMNODYNASTES. 



LimnodYnastes, Fitzinqer, Si/st. Rept. p. 31 ; Giinth. Cat. p. 32 ; Cope, 



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

 Cystignatlius, sp., Dum. Sf Bihr. viii. p. 409. 

 Perialia, Gray, in Ei/re's Journ. Exped. Centr. Austr. i. p. 406. 

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

 Platyplectrum, Giinth. Anii. ^ Maq. N. H. (3) xi. p. 27; Cojye, 



Journ. Ac. Philad. (2) vi. 1860, p. 94. 

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

 Helioraua, Steindachn. I. c. p. 32. 

 BorboroccEtes, 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 beliind the choanse. 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. 



Synopsis of the 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. platyceplialus, p. 260. 



II. Inner metatarsal tubercle large, shovel-shaped. 



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

 Ko large gland on the calf 0, ornatus, p. 262. 



1. Limnodynastes peronii. 



Limnodynastes peronii, Giinth. Cat. p. 134. 

 Cystignathus peronii, Bum. S^- Bihr. p. 409. 



