280 Scientific Intelligence. 
buried in the stone; the length of the tail probably did not exceed 
an inch and a half. There are no.vestiges of the feet exposed, but 
possibly.careful chiselling might reveal the outline of the hind feet, 
which seem to pass off at right angles:from the distal end of the tibia, 
tons of Batrachians. From the evidence afforde by a mere impres- 
sion of part of the skeleton, and in the absence of any knowledge of 
the structure of the feet, scapular arch, bones of the cranium, &¢., 
e natural affinities of the original cannot be precisely determined. 
Dr. Mantell therefore proposes to distinguish this most ancient reptile 
gly or in pairs, and often attached to the foliage (in like manner as the 
eggs of our Tritons) and these in all probability belong to aquatic sala- 
manders. In confirmation of his conjecture, Dr. M. particularly dwelt 
on the fact that in the numberless strata of shales, limestones, clays: 
&c., abounding in shells often ina state of great perfection, with the 
liga preserved in the stale 
