Bones discovered in a cave at Kirkdale , in Yorkshire. 229 
EXPLANATION OF THE PLATES. 
All the Drawings are of the natural size, unless where it is 
expressed to the contrary. 
Plate XV. 
Map of the country adjacent to the cave at Kirkdale, 
showing the entire drainage of the vale of Pickering to be 
effected through the gorge at Malton, the stoppage of which 
would at once convert it into an inland lake. 
Plate XVI. 
Fig. 1. View of the mouth of the cave at Kirkdale, in the 
face of a quarry, near the brow of a low hill. 
Fig. 2. Section of the cave before the mud had been dis- 
turbed. 
A. Stratum of mud covering the floor of the cave to the 
depth of one foot, and concealing the bones. 
B. Stalagmite incrusting some of the bones, and formed 
before the mud was introduced. 
C. C. Stalagmite formed since the introduction of the mud, 
and spreading horizontally over its surface. 
D. Insulated stalagmite on the surface of the mud. 
E. E. Stalactites hanging from the roof above the stalag- 
mites. 
Fig. 3. Ground plan of the cave, by W. Salmond, Esq. 
showing its extent, ramifications, and the fissures by which is 
is intersected. 
