Wadsworth.] 212 [April 16, 



•out that no one conversant with the discussions relating to the age 

 f of the copper-bearing rocks, can for an instant doobt that it would 

 afford the writer the greatest pleasure if an authentic Palaeozoic or 

 .Mesozoic fossil could be found in them. 



The object of this article is to call attention to this pseudo- 

 fossil, which may serve to aid in preventing, in the future, the too 

 ready acceptance of simulative forms for genuine fossils, of which 

 the history of geology presents many disastrous examples, among 

 which the Eozoon Canadense stands preeminent. 



General Meeting, May 21, 1884. 



Dr. B. Joy Jeffries in the chair. 

 The following letter was read : 



New York State Museum of Natural History, 

 Albany, May 10, 1884. 

 ;Mr. Edward Burgess, Secretary. 

 Dear Sir : 



I have received your favor of the eighth in- 

 stant, announcing to me the distinguished honor that the Council 

 of the Boston Society of Natural History has awarded to me the 

 ■Grand Walker Prize as a recognition of my services in the cause 

 of American palaeontology, and enclosing to me, at the same time, 

 a copy of the report of the committee. 



I was certainly surprised to learn of the action of the committee 

 and of the council, fori had never expected that my name would 

 be considered in the award of this Grand Prize. 



I feel that, under other circumstances, I might have done work 

 Worthy of such a recognition, but mine has been carried on amid 

 so many difficulties and with so many long interruptions to break 

 the continuity of thought and plan, that I feel the result will not 

 be what it ought to be and far below what I had aimed to accom- 

 plish. But more than once, after such interruptions, the appeal to 

 my patriotism and my love of science, sustained by my own san- 



