2. KANA, 49 



M. Sall(S \y,.\. 

 0. Salvin, Esq. [C.l. 

 O. Salvin, Esq. [C.J. 

 O. Salvin, Esq. [C.]. 



Mr. Buckley [C.l. 

 Mr. Buckley [C.]. 



60. Rana copii. 



Rauula brevipalmata, Cope, Proc. Ac. Pliilad. 1874, p. 131. 



Ifearly allied to Rana palmipes, but with the web of the toes 

 reaching only the bases of the ultimate, or, in the fourth toe. the 

 penultimate phalange. Tympaniim as large as the eye. The tibio- 

 tarsal articulation reaches the anterior border of the orbit. Above 

 olive ; below white : femora and tibiae marbled with black behind. 



Nauta, Upper Amazon. 



61. Rana nigrilatus. 



Ranula nigrilatus, Cope, I. c. 



Allied to Rana palmipes. Head longer ; tympanum two thirds 

 the width of the eye ; first and second fingers equal ; a tarsal dermal 

 fold ; tibio-tarsal articulation reaching anterior border of orbit. 

 Dark brown above ; sides black ; femora and tibiae black, marbled 

 behind ; lower surfaces closely marbled with dark brown. 



Nauta. 



62. Rana chrysoprasina. 



Ranula chrysoprasina. Cope, Proc. Ac. Philad. 1866, p. 1.30. 

 Tryplieropsis chrvsoprasiuus, Cope, Proc. Ac. Philad. 1868, p. 117, 

 and Journ. Ac' Philad. (n. s.) viii. 1876, p. 114, pi. 23. f. 12. 



Vomerine teeth in two small convergent fasciculi behind opposite 

 narcs. Snout acuminate, projecting ; tj'mpanum two thirds the 

 width of the eye. Toes fully and widely palmate ; tips of fingers 

 and toes slightly dilated ; one minute metatarsal tubercle. The hind 

 limb being carried forwards along the body, the tibio-tarsal articula- 

 tion reaches between the eye and the tip of the snout. Skin sha- 

 greened above ; a glandular fold on each side. Colour brilliant lac- 

 green, the groin and belly approaching golden ; a golden band from 

 lip to shoulder and a faint one on each side of the back ; limbs above, 

 and tarsus and forearm below, black, the femur with a few golden 

 spots on black ground behind ; head dark above ; from eye to shoul- 

 der black ; below pale yellowish green immaculate, except some dark 

 shades on sternal regions. 



Costa Rica. 



