Bowlders and Rocking Stones. 147 



is no easy matter. It occurs in the west part of Barre, on the road 

 to Dana. 



Double Rocking* Stone in Barre. 



In Brewster, on Cape Cod, is an enormous mass of granite, 16 

 feet high, and 160 in circumference ; of which a drawing is annexed. 

 This is split into 6 or 7 pieces, and appears as if it had been subjected 

 to a powerful action of water, or some other agent, in former times. 

 Its size forbids the supposition that it has been removed from its bed; 

 and probably it is the remains of a ledge which diluvial currents 

 have worn away or buried. The sketch was taken from the west. 



A Rent Rock in Brewster, Cape Cod. 



I have noticed a rocking stone near the center of C4reenwich, 

 weighing 30 or 40 tons, which might be moved by a lever. One may 

 be seen in Chilmark, on Martha's Vineyard. In the 7th vol. of the 

 Am. Journal of Science, is a drawing and description of one, of more 

 than 46 tons weight, in Roxbury ; which " a child of six years old 

 can easily move with one hand." Mention is there also made of one 

 on the Salem turnpike ; of three in the vicinity of Providence, one in 

 Foster, one in Warwick, R. Island, and one in Framingham. Gen. 

 E. Hoyt, also, describes one in the bed of Deerfield river, in Zoar. 

 Indeed, they can doubtless be found in almost any part of New Eng- 

 land. 



But Cape Ann, of all other places in the Commonwealth, is the 

 theatre of bowlder stones. Over a great part of the Cape, the trees 



