708 AMPHIBIA — RANID^. 



G£:kcs B&KA., Linneeas. 



Tongue oblong, deeply notched beMnd, and free posteriorly and laterally; vomerine 

 teeth betsveen the inner nares; eustachian tubes large; tympanum prominent; eyes 

 large ; fingers distinct, fourth not opposable to the others ; males usually with two lat- 

 eral Yocal sacs. 



The eggs in oar species are almost mature in the fall, so that animals can and do pair 

 and oviposit in one to two days after awaking from hybernation. 



* Dorsal region, with large, distinct spots. 5. 



* Dorsal region, wjth small spots, or none. o. 



^ a. Tympanum^small, seven or less millimeters in diameter, c. 



a. Tympanum usually, eight or more millimeters in diameter, and when smaller, 

 temple without black band, and back not vermiculated with white or yellow, d. 



6. Males with an internal vocal sac on each side ; dorsal spots roundish and usually 

 arranged somewhat irregularly. . . . . . E. HA1.ECINA. 



i. Males without vocal sacs ; dorsal and lateral spots usually quadrate and ar- 

 ranged in four distinct rows, with other external ones irregular. 



R. PALTJSTWS. 



0. Temple, with a large black spot. . . . . E. temporakia. 



0. Temple without such spot; color above, greenish olive, with sinuations or 

 vermionlations of white or yeUow ; extralimitai ; New York, Okak, Labra- 

 dor and Yukon Eiver to Minnnesota, Montana and Utah. 



E. SKPTENTRIONALIS. 



d. Dorso-lateral cutaneous folds distinct. . . . E. clamttaxs. 



d. Dorso-lateral cntaneons folds wanting or indistinct, , E. catksbyana. 



Rana halecina Kalm, 



Lieopard Frog:. 



Bava lialecina, Kalm, Daodix, Merrem, Harlan, Tschubi, Dumkril and Bibron, 

 HoLBROOK, Hallowell, Laukenti, Storkr, Dekat, Allen, Cope, Jordan, Gdn- 



THER, VeRRILL. 



Bana pipiens, Gmelin, Shaw, Schneider, LkConte. 



Bana paluslris, Gmelin. 



Bana berlandieri, Baikd. 



Bana meJanotus, Eafinesque. 



Bana areolata, Baird and Girard (?). 



Baiia capita, LkConte. 



Bana utiiculana, Harlan. 



Color above varying from light to dark green or brown; dorsal and lateral spots 

 large, black, often margined with yellow, jub-oircular or elongated, quadrate, and often 

 arranged in two, but rarely more, distinct rows, and when in more thaa two rows, then 

 with spots placed irreguliirly between; abdomen vaiyingfrom white to yellow or dusky ; 

 legs above with transverse bars or blotches of back, which often have a yellow margin ; 

 thighs granulated posteriorly; ftiuur shorter than tibia; toes and fingers, with tuber- 

 cles at the joints; tympanum, green, about seven millimeters in diameter; vomerine 

 teeth in two, almost circular, siiihtly elevated patches ; inner nares large, more widely 

 separated than the outer ; snoat rather pointed ; nostrils lateral, about midway between 



