332 HTLIDJE. 



•with a few very small warts ; lower surfaces smooth, except the 

 lower helly and the thighs, which are granulate. Flesh-coloured 

 above, brown-marbled ; limbs cross-barred. Male without vocal 

 sac ; during the breeding-season the inner side of the first two 

 fingers furnished with blackish rugosities. 

 Brazil. 



2. CHOROPHILUS*. 



Chorophilus, Baird, Proc. Ac. Philad. vii. 1854, p. 60; Cope, Journ. 



Ac. Philad. (2) vi. 1866, p. 86. 

 Heloccetes, Baird, I. c. 

 Pseudacris, Fitting. Syst. Rept. p. 31 (name only) ; Giinth. Cat. p. 97 ; 



Cope, Nat. Hist. Rev. 1865, p. 110. 

 Acris, sp., Dum. 8? Bibr. viii. p. 509. 

 Cystignathus, sp., 1Mb?: N.-Amer. Herp. iv. p. 107 ; Giinth. Cat. 



p. 29. 



Pupil horizontal. Tongue oval or subcircular, entire or slightly 

 nicked, and free behind. Vomerine teeth. Tympanum distinct. 

 Fingers free ; toes nearly free, the tips dilated into very small disks. 

 Outer metatarsals united. Omosternum cartilaginous ; sternum a 

 cartilaginous plate. Diapophyses of sacral vertebra very slightly 

 dilated. 



North America ; Peru. 



Synopsis of the Species. 

 I. Skin smooth above, or nearly so. 



Vomerine teeth behind the level of the 

 choana3 ; tibio-tarsal articulation reach- 

 ing the eye; back with longitudinal 

 dark bands 1. nigritus, p. 333. 



Tongue subcircular ; back with oblong, 

 dark, light-margined spots ; limbs re- 

 gularly cross-barred 2. ornatns, p. 333. 



Head long, narrow ; back immaculate . . 3. ocularis, p. 333. 



Vomerine teeth behind the level of the 

 choance ; tibio-tarsal articulation not 

 reaching the eye ; back immaculate . . 4. copii, p. 334. 



Vomerine teeth on a level with the hinder 

 edge of the choanre ; tibio-tarsal ar- 

 ticulation reaching the eye ; back 

 immaculate 5. cuzcamis, p. 334. 



Vomerine teeth between the choanse ; 

 tibio-tarsal articulation reaching the 

 eye ; back with longitudinal dark bands 

 or series of spots 6. triseriatus, p. 335. 



* 1. Heloccetes feriarum, Baird, Proc. Ac. Philad. yii. p. 60. — Carlisle, Penna. 



