BATEACHIA SALIENTIA. 5 



11. Hylorhina. Vomerine teeth in one straight uninterrupted 



series ; tongue entire behind. ChiH. 



12. Pyxicephalus. Toes half- webbed ; a flat sharp-edged spm- on 



the metatarsus ; vomerine teeth in one straight line, inter- 

 rupted in the middle. Tropical America. 



1 3. Ceratophrys. Edge of upper eyelid more or less produced into 



a point, so as to form a long horn or only a triangle. South 

 America. 



14. Heteroglossa. No vomerine teeth ; tongue deeply notched 



behind, attached by a cyhndrical pedicel at the centre. West 

 Africa. 



1. PSEUDIS. 



Skin smooth. Fingers four, quite free, pointed, the first opposite 

 to the following ; toes entirely webbed. Tongue subcircular, entire 

 behind ; palatine teeth in a nearly uninterrupted straight line be- 

 tween the inner nostrils ; eustachian tubes small ; tympanum rather 

 indistinct. Males with subgular vocal sac. South America. 



Pseudis, Wagl. St/st. Amph. p. 203; Tschudi, Batr. p. 80; Dum. iSf 



Bihr. viii. p. 327. 

 Proteus, Laiir. Si/n. Rept. p. 36. 

 Rana, sp., auct. prior. 



1. Pseudis paradoxa. 



Rana piscis, 3Ierian, Ins. Sur. t. 71 ; Linn. Mus. Ad. Fried, p. 49 ; 



Edwards, Phil. Trans. 11. p. 653. f. 15 «, 6 ; Seha, i. 78. 15-21. 

 paradoxa, Litm. Si/st. Nat. ; SImiv, Zool. iii. p. 120. pi. 36 ; Daud. 



Rain. p. 67. pi. 22, 23, and Rept. viii. p. 130 ; Merr. Tent. p. 176 ; 



Cuv. Reqne Anim. ; Gravenh. Deltc. p. 34 ; G7'iff. Animal Kingd. 



ix. p. 393. 

 Proteus raninus, Laur. Si/n. p. 36 ; Daub. Qiiadr. Ocip. p. 640 ; 



Bonnat. Erpet. p. 5 ; Lacep. Quadr. Ovip. i. p. 547 ; Latr. Rept. 



ii. p. 162. 

 Pseudis paradoxa, Wagl. Syst. p. 203 ; Tschudi, Batr. p. 80. 

 merianse, Dum. 8f Bibr. p. 330. pi. 86. f. 2. 



Snout tapering, rather pointed in front ; no white streak behind 

 the eye, nor on the sides. 



a. Larva. Demerara. Presented by Dr. Hancock. 

 h. Larva. Demerara. Presented by Dr. Hancock. 



c. Larva. Demerara. Presented by Dr. Hancock. 



d. Larva. Demerara. Presented by Dr. Hancock. 



e. Lai-va : bad state. Demerara. Presented by Dr. Hancock. 

 f-h. Larva. Demerara. Presented by Dr. Hancock. 



i. Larva. Demerara. From Mr. Snellgrove's Collection. 

 k. Lai-va. Demerara. From Mr. Snellgrove's Collection. 

 /. Adult. Demerara. Presented by Captain Sabine. 



