explanation of plates 26". 26'". 
37 
in the same straight line. The footsteps d. e. f. form 
part of another track of the same kind. Some o( 
the large toes of the Chirotherium, and also of the 
smaller species, have left distinct impressions of 
nails . g. h. i. k. 1. m. n. o. p. q. form the track of 
an animal of another species, probably a Tortoise, 
crossing the same slab, in a different direction. 
The irregular cylindrical concretions that inter- 
sect each other on the surface of this slab, appear 
to have been formed in cracks, caused by the con- 
traction of a thin bed of green marl, interposed 
between two deposits of Sandstone. See note, V. I. 
p. 266. 
Fig. 2. One of the impressions of the hind feet of Chiro- 
therium, on the slab Fig. 1 ; half nat. size. (Sickler.) 
fig. 3. One of the footsteps in the track of the smaller 
animal, upon this slab ; nat. size. (Sickler.) 
M. Link has made out the footsteps of four species of 
animals m the Hildburghausen sandstone ; and it has been 
have been derived from 
Plate 26". V. I. p. 265 . 
from a of Chirotherium, selected 
Hildbur^l Track upon a slab of sandstone from 
g lausen, in the British Museum. (Original.) 
Plate 26'". V. I. p. 266. 
Footsteps of a small 
J*lean, drawn from a 
T/*\1 <1 ^ .1 
ill web-footed animal, probably croco- 
a Cast of impressions on Sandstone, 
usen. (Original.) 
Js in which all these fossil footsteps have 
in Germany and Scotland, appear to be 
! same division of the secondary strata. 
