AMERICAN FROGS OF THE GENUS RANA. 465 



16. Rana areolata. 



Rana areolata Baird and Gir., Proc. Ac. Philad., 1852, p. 173; Baird, 

 Rep. U. S. Mex. Bound. Surv., Rept., PI. xxxvi, figs. 11, 12 (1859); Boitleng., 

 Cat. Batr., Ecaud., p. 41 (1882); Cope, Proc. Am. Philos. Soc, XXIII, 1886, 

 p. 517, and Batr. N. Am., p. 412, figs. (1889); Dickerson, Frog Book, p. 192, 

 PL Lxxiii (1906); Hurter, Tr. Ac. St. Louis, XX, 1911, p. 115; Bouleng., 

 Ann. and Mag. N. H. (9) III, 1919, p. 411. 



Rana capito Leconte, Proc. Ac. Philad., 1855, p. 425, PI. v; Bouleng., 

 Cat., p. 34, and Ann. and Mag. N. H. t. c. 



Rana circulosa Rice and Davis, in Jordan, Man. Vert. E. N. Am., 2d ed., 

 p. 355 (1878). 



Rana areolata cesopiis Cope, t. c, p. 517, and op. cit., p. 412, figs. 



Rana areolata capito Cope, t.c, p. 518, and op. cit., p. 415. 



Rana areolata circulosa Cope, t. c, p. 518, and op. cit., p. 413, figs. 



Rana cesopus Dickerson, op. cit., p. 193, PI. xiv, fig. 3, and PI. lxxiv; 

 Deckert, Copeia, No. 80, 1920, p. 26. 



Vomerine teeth in short shghtly obHque series close together between 

 the choanae or extending a Httle beyond the level of their posterior 

 borders. 



Head large, 2f to 3 times in length to vent, as long as broad or a 

 little broader than long, much depressed; snout rounded, not or but 

 feebly projecting beyond the mouth, longer than the eye, which is 

 large and prominent; canthus rostralis indistinct or obtuse; loreal 

 region oblique, concave; nostril equidistant from the eye and from 

 the tip of the snout; distance between the nostrils greater than the 

 interorbital width, which is equal to or a little less than that of the 

 upper eyelid; tympanum very distinct, f to |- the diameter of the eye, 

 2 to 3 times its distance from the latter. 



Fingers moderate, obtusely pointed, first longer than the second, 

 third as long as the snout or a little longer or a little shorter; sub- 

 articular tubercles small, feebly prominent. 



Hind limb rather short, the tibio-tarsal articulation reaching the 

 eye or a little beyond, the heels meeting when the limbs are folded 

 at right angles to the body; tibia 3| to 4 times as long as broad. If 

 to slightly over 2 times in the length of head and body, as long as or a 

 little shorter than the fore limb or the foot. Toes rather long, obtusely 

 pointed, J webbed, 2^ or 3 phalanges of fourth and 1^ or 2 of third and 

 fifth free, the outer metatarsals bound together in their basal half or 

 third; subarticular tubercles small, moderately prominent; no tarsal 



