DESCRIPTION OF THE CALIFOROTA STONES. 



169 



scraping. The hole tapers from both faces, where it is about 2 inches in 

 diameter, to its centre, where it is not over an inch wide. The central 

 ridge in the hole, caused by the meeting of the tapering perforations from 

 both surfaces, has been worn smooth, and is even polished, showing that 

 there was more or less movement of the stone upon its handle. The greatest 

 diameter of this implement is 4J inches, and its thickness, measured through 

 the perforation, is 2i inches. The use to which this stone was put is, of 

 course, conjectural, but the polished portion on one face and the encircling 



Fig. 47. 



Perforated stone from the island of San Clemente. 



groove may be connected with the method of mounting it on a handle, and 

 it seems proper to class this specimen with the large ones of conical shape, 

 already described as club-heads. 



Specimens of the next group, of which there are now before me no less 

 than twenty-four, are more or less depressed globular in shape, and vary 

 in size from 2 to 4^ inches in diameter, and from 1£ to 3£ inches in thick- 

 ness. In weight they vary from a few ounces to over 3£ pounds. They 

 are all well made, generally symmetrical, and of various minerals. The 

 perforations vary in size and shape, and while there is a general resem- 

 blance in the lot, it will be necessary to subdivide the group for the pur- 



