2. CHOEOPHILCS. 333 



II. Dorsal region strongly tuberculalc. 

 Tibio-tarsal articulation reaching beyond 



the eye ; tympanum much smaller than 



the eye 7. verrucosus, p. 335. 



Tibio-tarsal articulation not reaching the 



eye ; tympanum nearly as large as the 



eye 8. septcntrionalis, p. 335. 



1 . Chorophilus nigritus. 



Pseudacris nigrita, part., Gimth. Cat. p. 97. 

 Rana nigrita, Lcconte, Aim. Lye. N. Y. i. p. 282 ; Harlan, Med. Phys. 



Res. p. 105, and Journ. Ac. Philad. v. p. 341. 

 Acris nigrita, Dum. §■ Bibr. p. 509. 



Cystignathus nigritus, Hulb. N.-Amer. Ilerp. iv. p. 107, pi. 26. 

 Chorophilus nigritus, Baird, Proc. Ac. Philad. vii. p. GU; Leconte, 



cud. loc. p. 427. 



Tongue oral, slightly nicked. Vomerine teeth in two slightly 

 oblique groups behind the level of the choana?. Head much longer 

 than broad ; snout acuminate, rather prominent, nearly twice as 

 long as the diameter of the eye ; canthus rostralis rather indistinct ; 

 interorbital space a little broader than the upper eyelid ; tympanum 

 half the diameter of the eye. Fingers and toes slender, latter with 

 a slight rudiment of web ; first finger shorter than second ; sub- 

 articular tubercles small ; no outer metatarsal tubercle. The hind 

 limb being carried forwards along the body, the tihio-tarsal articu- 

 lation reaches the eye. Skin smooth above, granulate beneath. 

 Blackish ash above, with three interrupted black longitudinal bands ; 

 loreal and temporal regions black ; upper lip white-margined, 

 beneath whitish, immaculate. 



South Carolina and Georgia. 



a. 5 . Georgia. 



2. Chorophilus ornatus. 



Cystignathus ornatus, Holb. N.-Amer. Ilerp. iv. p. 103, pi. 2-5. 

 Chorophilus ornatus, Leconte, Pi-oc. Ac. Phdad. vii. 1854, p. i2S. 



Tongue more rounded than in ft nigritus; hind limb shorter. 

 Dove-colour above, with oblong spots of dark brown, margined with 

 yellow ; limbs transversely barred. 



South Carolina and Georgia. 



3. Chorophilus ocularis. 



Hylodea ocularis, Holb. N.-Amer. Herp. iv. p. 137, pi. 35. 

 Hyla ocularis. Leconte, Proc, Ac. Philad, vii. 18-34, p. 429. 

 Chorophilus angulatus, Cope, Chech-list N. Amer. Kept, p. 30. 



Vomerine teeth in two groups between the choaine. Head lorn 



