Bulletin - United States National Museum - Smithsonian Institution

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38 BULLETIN 17 7, UNITED STATES NATIONAL MUSEUM
belly granular; a large patch of coarse granules on the posterior
aspect of the thighs, the remaining skin of the legs being quite smooth;
an external vocal sac at the center of the throat, the loose skin
terminating in a transverse fold across the chest between the arms.
Dimensions: Snout to vent, 30 mm.; width of head, 11 mm.;
diameter of eye, 4 mm.; diameter of tympanum, 2.5 mm.; foreleg
from axilla, 21 mm. ; hindleg from vent, 52 mm. ; vent to heel, 31 mm.
Color (in alcohol): Body color olive-gray to drab-gray above and
below; an irregular clove-brown interorbital bar; canthus rostralis,
Figure 11. Eleutherodactylus flavescens: a. Dorsum; b, inside of mouth; c, underside of foot;
d, underside of hand; e, side of head. U.S.N.M. No. 65697, from Samana and Laguna
Dominican Republic. Twice natural size.
upper border of ear, center of back, and lateral regions with a more
or less coarsely reticulated pattern of clove-brown; upper surfaces of
arms and legs with irregular smaller spots of clove-brown, wliich do
not make a definite cross-barred pattern except on the forearm;
lower surfaces immaculate except for some spots around the edge of
the lower jaw.
Variations.—The largest frog, U.S.N.M. No. 74959, measures 33
mm. from snout to vent. The yomig have very wide heads in pro-