143 



twelve feet in length and lying on the northwest side of 

 a bowlder, containing small veins of lead, antimony, and 

 sulphurct of iron. (The ledges in that region are what 

 Professor Hyatt calls Diorites.) 



Other prospective diggings disclosed only bowlders 

 much worn and rounded by glacial action, and of the 

 same character as the large one. 



All of the pieces of lead ore were much worn, and the 

 iron in contact decomposed. ; 



Mr. F. W. PUTNAM made some further observations, 

 not only on this mine, but in explanation of the process 

 by which the bowlders seen standing alone on the high 

 hills are brought hither on the ancient icefields from the 

 North. 



He also gave a very interesting account of 



THE ANDERSON SCHOOL OF NATURAL HISTORY ON 



Penikese Island, where he, with others, had spent several 

 weeks past as an instructor. This island, situated some 

 twelve miles south from New Bedford, one mile in length 

 by a half a mile in width, was donated by Mr. Anderson, 

 of New York, a year or two since, to Prof. Agassis, as a 

 location for a scientific school during the summer months. 

 Mr. Anderson also gave the sum of fifty thousand dol- 

 lars to be expended for the necessary buildings, etc. The 

 school was in operation for the first time last season, under 

 the direct superintendence of Prof. Agassiz, who gave to 

 it his accustomed zeal and vigor to establish it upon a firm 

 and enduring basis. Mr. Alexander Agassiz, son of the 

 late Prof. Agassiz, is the present director, and the pupils, 

 who come from all parts of the country, are composed of 

 Normal teachers and professors, principally from the 

 western colleges. There are over fifty pupils and from 



