RHESNEW STONE “AGE 
developed from the hoe. This, however, seems not to have 
been the case, for the working of the two implements 
differs fundamentally in principle. The hoe is dragged 
toward the operator, while the plow is thrust away from 
ths 
US} 
aun 
\ a We PRM NE ae 
\\ y ; = 
Wem ise mp, es 
M) 
a 
v Dry, 
(Thad 
wy : 
c. 
Fic. 77. Caschrom, or foot-plough, used in the Isle of Skye, off the west coast 
of Scotland. Reproduced from a photograph by courtesy of Mr. E. Cecil Curwan 
him. In its use, therefore, the latter recalls the primitive 
digging-stick, and the existence of several intermediate 
links seems to prove it the true ancestor of the plow. 
An implement, called a caschrom, for turning up the 
ground (Fig. 77), is used in the islands of Skye and the 
[ 259] 
