1866.] senate—No. 67. 25 



tile shells to our collection, and but few of them will duplicate 

 those previously in our possession. 



Our other receipts have been unusually large during the cur- 

 rent year, amounting, in the aggregate, to 2,616 species and 

 34,145 specimens ; a number greatej than ever before in any 

 one year. Of these, 1,642 species and 13,297 specimens have 

 been derived from our exchanges, and 748 species, 12,814 

 specimens have been added by donation, while only 226 species, 

 comprising 8,034 specimens, have been acquired by purchase, a 

 much smaller number from this source than usual. 



Of the above, we note the following as having been received 

 by donation from many friends of the Museum, and to whom 

 our thanks are due for their valuable contributions. 



DONATIONS OF MOLLUSCA. 



• 



J. A. Allen, 20 species, 120 specimens. 



Alexander Agassiz, 16 species, 421 specimens. 



J. G. Anthony, 49 species, 120 specimens. 



Captain Breck, 1 species, 1 specimen. 



Captain Boutelle, 1 species, 1 specimen. 



Professor Bache, 2 species, 2 specimens. 



D. Bourget, 2 species, 6 specimens. 



Mrs. A. P. Chamberlain, (odd valves,) — specimens. 



Miss C. Dabney, 5 species, 10 specimens. 



G. N. Davis, 2 species, 3 specimens. 



Mrs. J. M. Forbes, 1 species, 23 specimens. 



Captain Hamilton, 6 species, 25 specimens. 



Edward Habich, 3 species, 5 specimens. 



C. F. Hart, 21 species, 2,554 specimens. 



Loveland & Thaxter, 5 species, 55 specimens. 



Captain Marston, 1 species, 1 specimen. 



B. P. Mann, 5 species, 72 specimens. 



Captain Putnam, 1 species, 2 specimens. 



O. H. St. John, 1 species, 323 specimens. 



S. Stillman, 16 species, 37 specimens. 



Charles Wright, 477 species, 5,712 specimens. 



Thayer's Brazilian Expedition, 113 species, 3,321 specimens. 



Among these contributions, that of Mr. Charles Wright 

 deserves particular notice, being not only large in the number 

 of species and specimens, but valuable in other respects, and 

 4 



