22 SPINK : LAKE-DWELLINGS IN THE VALE OF PICKERING. 
Mitchelson to look into the matter more closely, and four years ago, 
besides a great quantity of animal remains, he recovered from the 
bottom many pieces of coarse pottery, which, when broken, showed 
under the glass minute particles of crystal, caused by the action of 
lime in water on charcoal or ashes in clay. He also noticed 
several places where the tops of piles protruded just above the 
bed of the stream. These were two miles from Keld Head, and 
extended over a distance of half a mile. Wishing to be sure 
as to the value of the find, he sent a collection of bones and 
potsherds to the South Kensington Museum, through Captain 
Duncombe, and they were pronounced to be from the midden- 
steads of lake -dwellings. Thus encouraged he, two years ago, 
attempted a systematic search. Several excavations were made on 
the bank, and similar remains were found to those wliich had been 
taken from the river, only in much greater quantities. One illustra- 
tion will suffice : — 
• u • 
• s: • 
RIVER COSTA. 
YXCA VA T/ON ] 
0 o 
• • ■H • • 
O 
1 
PRESUMED CONTINUATION 
OF P1LE3 
PROBABLY PLATFORM 
FOR DWELLING. 
O O O O O O 
O 
O 
o o 
It was expected that the piles (four or five feet apartj which 
crossed the stream would be continued under the bank ; and at six 
feet below the surface they were again met with, and alongside were 
large quantities of bones of Bos longifrons, horse, deer, wolf (or dog), 
