24 
NORTH AMERICAN BATRACHIA AND REPTILIA. 
otherwise as in R. areolaia capito. The Georgia specimen is 
plain brown above; below thickly and finely mottled with brown 
and white; otherwise as in the last. The measurements of 
these are as follows: 
Length. 
Width Head. 
Arm. 
Femur. 
Tibia. 
Foot. 
N. Illinois 
2.00 in. 
.75 in. 
.98 in. 
.68 in. 
.87 in. 
1.31 in. 
N. Illinois 
1.87 “ 
.68 “ 
.93 “ 
.87 “ 
.97 “ 
1.25 “ 
Florida 
2.12 “ 
.90 “ 
1.24 “ 
1.00 “ 
1.06 “ 
1.50 “ 
Georgia 
2.55 “ 
1.05 “ 
1.20 “ 
1.25 “ 
1.37 “ 
1.87 “ 
Texas 
3.12 “ 
1.06 “ 
1.60 “ 
1.50 “ 
1.55 “ 
2.25 “ 
68. R. halecina , Kalm. Common Frog. Above greenish, 
often bright, with distinct pale-edged dark blotches ; a whitish 
line on sides of head; legs barred; beneath white or yellowish, 
occasionally dusky markings on throat; head rather elongated; 
tympanum moderate; a glandular fold along upper jaw and a 
well marked one on each side of back ; generally a pair of ridges 
on coccyx; femur less than tibia; the latter more than one-lialf 
length of head and body, toes moderately webbed; L. two and 
three-quarters inches. North America. 
69. R. palustris , LeConte. Pickerel Frog. Above pale 
brown, with two rows of large oblong square blotches of dark 
brown on back, one or two on sides; spots in the same row 
sometimes confluent; a brown spot above orbits; one near 
snout; a dark line from nostril to eye; upper jaw white, spotted 
with black; arms with dark blotches; legs with transverse bars 
above; posterior surface of thighs mottled; beneath yellowish- 
white; head short, rather obtuse; body slender; tympanum 
moderate; glandular folds depressed, inconspicuous; toes well 
palmated; L. two and three-quarters inches; femur about equal 
to tibia, and one-half total length. Eastern region. 
70. R. septentrionalis , Bd. Above brown or olive, with 
vermiculations of lighter; sometimes a few dark blotches poste- 
riorly; beneath white or yellowish, unblotched; a cutaneous 
fold on each side of back; femur and tibia about equal, and 
about one-half length of body; L. two and one-half inches. 
Canada to Montana. 
71. R . clamitans, Merrem. Green Frog. Above green or 
brownish, darker posteriorly ; generally with irregularly disposed 
small blackish spots; arms with dark blotches; legs with narrow 
transverse bars; beneath white, sometimes tinged with yellow, 
and frequently marked with dusky in front; posterior surface of 
thighs mottled with black; tympanum large; an elevated 
cutaneous fold on each side of back; toes well palmated; femur 
