LV 



tions to the Library and Museum announced. Letters 

 were announced as received from the following persons 

 and Societies, since the last meeting: 



Julian A. Fogg ; John P. Browning ; George P. Russell, of Haverhill ; 

 J. H. Wildes of San Francisco, accepting membership : James D. Dana, of 

 New Haven, respecting Ordway's " Tree Protector" : B. Westermann & Co. 

 of New York; J. A. Allen, of Springfield; Raynal Dodge, of Newburyport, 

 relating to the publications ; J. D. Dana, of New Haven ; James Hubbert, 

 of Toronto; S. F. Baird, of the Smithsonian Institution ; James Hall, of 

 Albany ; Vincent Barnard, of Chester Co Pa.; Charles H. Pitman, of North 

 Barnstead, N. H. ; Wm. Dawson, of Spicelaud, Ind. ; Amory L. Babcock, of 

 Sherborn; Geo. C- Huntington, of Kelley's Island, Ohio ; James Lewis, of 

 Mohawk, N. Y.; John Johnston, of Micldleton, Conn.; John Haywood, of 

 Kingston, Ohio ; W. M. Beauchamp, Skaneateles, N. Y. ; Wm. Muir, of Fox 

 Creek, Mo., relating to the Naturalists' Directory : S. Jillson, of Feltonville; 

 E. S. L. Richardson, of Chicago, 111.; P. A. Hanaford, of Reading, on busi- 

 ness matters. 



The chair then spoke of the geology of this region ; 

 and said that he had been able to-day to verify the ob- 

 servation made by Messrs. Alger and Jackson in 1848, 

 of scratches and groovings on the ledge under the eastern 

 base of Ship Rock. These clearly proved it a bowlder ; 

 since there must have been a time when it stood else- 

 where, and other materials were doing this grinding work 

 in the place it now occupies. Under the well known rock 

 in Gloucester called the " Whale's Jaw," similar markings 

 are to be seen, proving the same thing. If any one 

 doubted that such rocks had ever been transported, or that 

 ice was an adequate agent for such work, he had only to 

 visit Cape Cod in the winter, when in one of its harbors 

 it might be seen at play, as it were, with a great stone, 

 carrying it rods away and back, this way and that, with 

 every tide. 



F. W. Putnam exhibited the various animals which 

 had been collected and explained the characters of the 

 bream, perch and shiner, showing in what way the shiner 

 differed from the other two, and how the perch and bream 



