THE BATfiACHIA OF NORTH AMERICA. 431 



may become a grass-greeu. lu most specimens the obliffiiity of tlie 

 lialatiue protuberances is less than described. 



The areolated varieties bear some resemblance to B. cocolata, Baird 

 and Girard, but may be distinguished by the white spots on the darker 

 ground of the under and inner surfaces, the more fully webbed toes, the 

 shorter limbs, etc. Both have the lateral vocal vesciles. li. arcolata 

 has a decided lateral fold. 



Male. 

 luolics. Inches. 



Total length 3. 20 1. 00 



Thigh 1.40 .44 



Tarsus 70 .22 



Hindfoot 1.64 .51 



Fore-arm, from elbow 1. 70 .53 



Hand 74 .23 



Hind leg (stretched) 4.84 1.51 



Length of head 1.08 .34 



Width 1.08 .34 



Length of eyelid 30 .09 



City of Mexico — twelve sioecimeus, Maj. W. Eich; six specimens, E. 

 D. Cope. 



This species is common in the valley of Mexico, where it is used as 

 food. The unspotted brown variety is found near Guanajuato; Dr. A. 

 Duges. 



RANA TEMPORARIA Linn. 



Bana tempovaria, part., L. Syst. Nat., ed. 12, p. 357. 



liana muia Laur., Syn. Rept., p. 30. 



Eana Icwporarla Schneider, Hist. Amph., i, p. 113; Latr., Sal,, p. 37, and Rept. ii, p. 

 150; Shaw, ZooL, iii, p. 97 ; Daud., Rain., p. 46, PI. 15, and Reptil., viii, p. 94; 

 Merrem, Tent., p. 175; Penn., Brit. ZooL, in, p. 9; Jenyus, Brit. Vert., p. 300; 

 Bouap., Faun. Ital. ; Schinz, Faun. Helv., p. 143; Tschudi, Batr., p. 79; Bell, 

 Brit. Reptil., p. 84 ; Dum. & Bibr., p. 359 ; Koch, Ber. Scnck. Ges. (1 872), p. 135; 

 Fatio, Vert. Suisse, in, p. 321; Do Betta, Faun. Ital. Rett. Auf., p. 64; Lessona, 

 Atti Ac. Llucei, Mem. CI. Sc. Fis., i, p. 1068, PI. ii ; Boulenger, Cat. Batr. Sal. 

 Brit. Mus., ed. ii, 1832, p. 44. 



Eanallaviveutris Millet, Faun. Maine et Loire, ii, p. 663. 



Ihina criiciita Pallas, Zoogr. Ross. As., p. 12. 



Eana aJpi >ialUsso, Hist. Nat. Eur. Mer., in, p. 93 ; Bonap., I. c. 



Eana scotica Bell, J. c, p. 102. 



Eana plati/rrMnus Steeustr., Amtl. Ber., 24, Vers. Kiel, p. 131. 



i?ana/(tsc« De risle, Ann. Sc. Nat.,ser. 5,xvii, 1873; Leydig, An. Batr., p. 110; Bou- 

 lenger, Bull. Soc. Zool. France, 1S79, p. 164; Heron Royer, Bull. Ac. Belg. (3), i, 

 No. 2, p. 139. 



Eana iemporaria Yav. plahjyrkina Schroib., llerp. Eur., p. 125; Giiuth., Cat., p. 16; 

 Rosel, Hist. Ran., p. 1, Pis. 1-8. 



Eana dijhowslcii Giinth., Ann. & Mag. N. H., 1876, xvii, p. 337. 



Vomerine teeth in two small oblique groups, extending beyond the 

 hinder edge of the choamie. Head moderate 5 snout short, blunt; in- 

 terorbital space as broad as the upper eyelid; tympanum distinct, two- 

 thirds the diameter of the eye. Fingers moderate, first extending be- 

 yond second ; toes at least two thirds webbed ; subarticular tuber- 

 cles of fingers and toes moderate; inner metatarsal tubercle small, ob- 

 tuse; outer tubercle none or scarcely distinct. The hind limb being 

 carried forward along the body, the tibiotarsal articulation reaches 



