424 HYLID^. 



9. PHYLLOMEDUSA. 



Phyllomediisa, JVa(/l. Si/st. Amph. p. 201 ; Tschudi, Batr. p. 70 ; 



bum. 8f Bihr. viii. p. Q-27; Gilnth. Cat. p. 120 ; Cope, Nat. Hist. Rev. 



1865, p. 110, and Jouni. Ac. Philad. (2) vi. 1866, p. 86. 

 Pithecopus, Cope, Journ. Ac. Philad. (2) vi. 1866, p. 86. 

 Hylomantis, Peters, Mon. Berl. Ac. 1872, p. 772. 

 Agalychnis, sp., Cope, Journ. Ac. Philad. (2) vi. 1866, p. 86. 



Pupil erect. Tongue oval, extensively free behind, entire or 

 slightly nicked. Vomerine teeth present or absent. Fingers and 

 toes free or shortly webbed, first opposite to the others, the tips 

 dilated into regular disks. Outer metatarsals united. Omosternum 

 cartilaginous ; sternum a cartilaginous plate. Diapophyses of sacral 

 vertebra strongly dilated. 



Tropical America. 



Synopsis of tJie Species. 



I. First toe a little^ shorter than second ; parotoids none, or in- 



distinct. 



Fingers one-third webbed, toes nearly 



half-webbed 1. bucMeyi, p. 425. 



Fingers free, toes slightly webbed at 



the base ; upper surfaces smooth . . 2. lemur, p. 425. 



Fingers free, toes with a rudiment of 



web ; upper surfaces tubercular . . 3. aspera, p. 425. 



Fingers webbed at the base ; toes one- 

 third webbed; upper surfaces smooth. 4. fZrtcm'coZo/-, p. 426. 



II. First and second toes equal. 



Parotoids indistinct ; heel with two 



dermal processes 5. palliata, p. 426. 



Parotoids large, distinct; upper sur- 

 faces studded with bony deposits . . 6. hicolor, p. 427. 



III. First toe longer than second. 



Parotoids distinct, short; upper sur- 

 faces studded with bony deposits . . 7. vaillantii, p. 427. 

 Parotoids not prominent, extending 



from orbit to sacrum 8. tarsius, p. 428. 



Parotoids very prominent, at least as 



long as the head 9. hurmeisteri, p. 428. 



Parotoids very prominent, much shorter 



than the head 10. saiivagii, p. 429. 



Parotoids none ; tympanum half the 



diameter of the eye 11. ccelestis, p. 429. 



Parotoids indistinct ; tympanum one 



third the diameter of the eye ; heel 



with two dermal processes 12. iomopterna, p. 430. 



