BATRACHIA SALIENTIA. O 



1 1 . Hylorhina. Vomerine teeth in one straight uuinternipted 

 series ; tongue entire behind. Chili. 



12. Pyxicephalus. Toes half- webbed ; a flat shai-p-edged spur on 



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

 nipted in the middle. Tropical America. 



13. 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. 



1 4. Heteroglossa. No vomerine teeth ; tongue deeply notched 



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

 Africa. 



1. PSEUDIS. 



Skin smooth. Fingers four, qmU'. free, pointed, the tirsl opposite 

 to the follo^Wng ; toes entirely webbed. Tongue subcirfular, entire 

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

 tween the inner nostrils ; eustachian tubes small ; tympanum rather 

 indistinct. Males with subgular vocal sac. South America. 



Pseudis, Wagl. Si/st. Amph. p. 203 ; Tschudi, Batr. p. «0 ; Bum. S,- 



Bibr. viii. p. 327. 

 Proteus, Laur. Si/n. Rept. p. 30. 

 Rana, sp., auct. prior. 



1. Pseudis paradoxa. 



Kaiia piscis, Merian, Lis. Sin: t. 71 ; Linn. 3Lis. Ad. Fried, p. 49; 



Edwards, Phil. Trans, li. p. 653. f. 15 o, i ; Sabn, i. 78. 15-21. 

 paradoxa, Linn. Si/sf. Nat. ; Skaic, Zool. iii. p. 120. pi. 36 ; Daud. 



Ram. p. 67. pi. 22, 23, and Ript. viii. p. 130; Merr. Tent. p. 176; 



Cut: Rhpie Anim. ; Gravenh. Delic. p. 34 ; Griff. Animal Kinqd. 



ix. p. 393. 

 Proteus ranimis, Laur. Sijn. p. 36 ; Daub. Quadr. Ovip. p. 640 ; 



Bonnat. Erpet. p. 5 ; Lacep. Quadr. Orip. i. p. 547 ; Latr. Ript. 



ii. p. 162. 

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

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



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

 the eye, nor on the sides. 



n. LaiTa. Demerara. Presented by Dr. Hancock. 



b. Lai^va. Demerara. Presented by Dr. Hancock. 



c. Lai-va. Demerara. Presented by Dr. Hancock. 

 (/. Larva. Demerara. Presented by Dr. Hancock. 



e. Larva: bad state. Demerara. Presented by Dr. Hancock. 

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

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

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

 1. Adidt. Demerara. Pi-esented by Captain Sabine. 



