Monday, January 15, 1866. Eegular Meeting-. 

 Vice President Goodell in the Chair. 

 Letters were read from Wm. N. Canby, Wilmington, Del.; George W. 

 Peck, New York, N. Y. ; Capt. A. Hyatt, Baltimore, Md. ; Dr. J. G. Thom- 

 as, Eiviere-du-Loup-en-bas, C. E. ; E. T. Cresson, Sect. Entomological So- 

 ciety of Philadelphia ; Prof. E. D. Cope, Philadelphia; A. Holland, Bos- 

 ton; G. L. F. Ball, Rangely, Me. ; G. W. Pease, Salem ; Rev. E. C. Bolles, 

 Portland, Me. ; S- L. Boardman, Augusta, M&. ; Jeremiah Colburn, Waldo 

 Higginson and Governor Andrew, of Boston. 



The Superintendent exhibited a collection of Massachusetts shells 

 which had been made by Joseph True, of Salem. This collection contains 

 nearly all the species indigenous to Massachusetts ; and among them several 

 rare and interesting species are represented by fine specimens. By the kind- 

 ness of Dr. B. Pickman, this valuable collection has been purchased of Mr. 

 True, and presented to the Institute. 



Mr. E. S. Morse, of Portland, spoke of the value of the collection, and 

 gave an interesting account of the structure of the Mollusks ; the homolo- 

 gies of the various parts in the several orders ; and the habits of a number of 

 the more interesting and rai-er species represented in the collection. 



Donations to the Museum and Library were announced. 



Alfred Poor, of Salem, and Francis G. Sanborn, of Audover, were elect- 

 ed Resident members. 



Monday, February 5, 1866. Regular Meeting. 

 Vice President Goodell in the Chair. 



Mr. Putnam was chosen Secretary pro tem. 



Letters were read from James W. Averill, Clerk of Engine Co., No. 1 ; 

 Dr. H. J. Slack, Philadelphia, Pa. ; E. T. Cresson, Sect. Entomological 

 Society of Philadelphia ; Dr. H. C. Wood, Jr., Acad. Nat. Sciences of Phila- 

 delphia; Prof. E. D. Cope, Acad. Nat. Sciences of Philadelphia; Prof. Rich- 

 ard Owen, Bloomington, Intl.; C. H. Jones, Sun Prairie, Dane Co., Wise; 

 Elihu Hall, Athens, 111.; Robert Dinwiddle, Cor. Sect. Lyceum Nat. History 

 of New York; John Akiiurst, Brooklyn, N. Y. ; Charles D. Marshall, Cor. 

 Sect. Buffalo Soc. Nat. Sciences; Geo. W. Peck, New York; C F. Robin- 

 sou, New York; O. C. Marsh, New Haven, Ct. ; Dr. J. G. Thomas, Riviere- 

 du-Loup-en-bas, Canada; Wm. Wood & Co., New York; J. W. Young, 

 Cleveland, Ohio ; W. E. Endicott, Canton, Mass. ; Capt. Alpheus Hyatt, 

 Baltimore, Md. ; A. D. Brown, Smithsonian Institution; W. H. Niles, 

 Southampton, Mass.; Henry A. Smith, Cleveland, Ohio; E. E. Barden, 

 Rockport; J. Colburn, Boston; S. L. Boardman, Augusta', Me.; Miss Lucy 

 Longfellow, Machias, Me.; J. J. Babson, Gloucester, Mass.; James G. 

 Barnwell, Libr. Cincinnati Mercantile Library Association. 



The Superintendent called the attention of the meeting to the large col- 

 lection of Plants, Shells, and other specimens received from Mr. Elihu Hall, 

 of Athens, 111. With the four hundred species of Plants, donated by Mr. 

 Hall, were a number of cones of several species of Rocky Mountain Pines 



