36 



35. Eana catesbiana. 



Raua niugiens, Gknth. Cat. p. lo. 

 Rana catesbiana, Shaw, Zo'd. iii. p. lOJ ; Leconte, Proc. Ac. Philnd. 

 1855, p. 423. 



mugiens, Merr. Tent. p. 175 ; Wayl. Sifst. p. 203 ; Tschudi, 



Batr. p. 79 ; Bum. ^- Bihr. p. 370. 



pipiens, Harlan, Sillim. Journ. x. p. 62, and Journ. Ac. Philad. 



V. p. 335; Cm: R. A.\ Holbr. N.-Amer. Her p. iv. p. 77, pi. 18; 

 Bekaii, N. Y. Faun. p. 60, pi. 19. f. 48. 



scapularis, Harlan, I. c. 



conspersa, Leconte, Proc. Ac. Philad. 1855, p. 425. 



Vomerine teeth in two small groups close together, between the 

 choanie. Head moderate ; snout rounded ; canthus rostralis in- 

 distinct ; interorbital space either as broad as the upper eyelid or 

 much narrower ; tympanum at least as large as the eye, generally 

 much larger, especially in males. Pingers rather pointed, first not 

 extending beyond second ; toes broadly webbed ; subarticular tu- 

 bercles of fingers and toes little developed ; a small inner, but no 

 outer, metatarsal tubercle. The hind limb being carried forwards 

 along the body, the tibio-tarsal articulation does not reach beyond 

 the eye. No glandular lateral fold. Brown or olive above, darker 

 marbled ; beneath immaculate, or marbled with brown. Male with 

 two internal vocal sacs. 



E. N. America. 



a, b. Ad. (stuffed). Delaware. Edward Doubleday, Esq. [P.]. 



c, d-e. c? 2 • N. America. Lord Amptliill [f.J. 



/, y, h. c? 2 • N. America. 



i-k, I. N. Ameiica. College of Surgeons [P.]. 



m. Skin. N. America. 



n. Skeleton. N. America. 



o, $ . Mexico. 



36. Rana clamata. 



Rana clamata, Gilnth. Cat. p. 14. 

 Rana horiconensis, Giinth. I. c. p. 131. 

 Rana clamata. Baud. Rain. p. 54, pi. 62. f. 2, and Rept. viii. p. 204; 



Harlan, Sillim. Journ. x. p. 63, and Journ. Ac. Philad. v. p. 338 ; 



Bum. Sj- Bihr. p. 373 ; Peters, Man. Berl. Ac. 1863, p. 412. 

 clamitaus, 3Ierr. Tent. p. 175 ; Holbr. N.-Amer. Herp. iv. p. 85, 



pi. 20. 

 fontinalis, Leconte, Ann. Lye. ISf. Y. i. p. 282, and Proc. Ac. 



Philad. 1835, p. 424 ; Holbr. I. c. p. 87, pi. 21 ; Bekay, N. Y. Faun., 



Rept. p. 61, pi. 21. f. 64 a. 



flavoviridis, Harl. I. c, and Med. Phys. Res. p. 103. 



horiconensis, Holbr. I. c. p. 83, pi. 19; Bekay, I. c. p. 61, pi. •22. 



f. 62. 

 nigrescens, Ar/assiz, Lake Superior, p. 879 ; Leconte, Proc. Ac, 



Philad. 1855, p. 20. 

 clamator^ Leconte, I. c. p. 20. 



