78 J. Deane on New Fossil Footprints. 
tylous toes, and a short stride, and the other, leptodactylous 
toes, and comparatively great length of step. Of the stout toed 
species, there are several grades of size, the posterior foot varying 
from that of fig. 2, to 24 inches in length, with a stride of 10 
inches. A 
Fig. 2. 
eur ; 
“Although the impressions of a single set of feet occur in the 
anomalous examples, shown by fig. 3, yet I do not doubt but 
they represent those of a quadruped. J have conjectured that 
they indicate animals included in the family Rana, and have given 
Fat) seegeries 
. > at wine ey 
A. 
a brief notice of them in Vol. xlix, page 80, of this Journal. No 
additional proofs have been discovered to confirm the opinion 
heretofore expressed ; but to accumulate probabilities, the above 
sketches of two individuals from distinct strata, accurately reduced 
from the originals to one sixth the natural size, are added. The 
general resemblance is seen to be very striking, and it is a curious 
circumstance, that in each example, A and B, those depressions 
posterior to the footprints, which I have supposed to have been 
produced by the folded limb of the animal, have the right one pro- 
Jecting farther backward than that of the opposite side. These 
oblong elliptical impressions are deep at the lower extremity, and 
dually b e superficial at the other, and the. papillose pro- 
cesses of the dermoid covering are apparent. he impressions; 
