OF CONCHOLOGY. 231 



Wm. M. Gabb. Eleven species of Unio from Central America 

 and twenty-four species of land shells from San Domingo 

 personally collected, including several undescribed species. 



Ralph Tate. Seventy-seven species, numerous specimens of 

 land and fresh-water shells from Central America, Venezuela, 

 Guayana and Nicaragua, including types of several new 

 species described in our Journal ; also nineteen species of 

 land shells from Venezuela and the island of San Lucia, W. 

 I., mostly undescribed. 



W. H. Pease. Seventy-nine species of marine shells from the 

 Polynesian Seas, including types of new species. 



R. E. C. Stearns. Sixty-four species of marine, fresh-water 

 and land shells, principally from California, Oregon, South 

 Carolina and Florida, and seven species from Tampa Bay. 



F. A. Hassler, M.D. Fine specimen of Marginella carnea 

 Storer, fine series of LimncpM columella, and embryos of Vivi- 

 para Nolani and Busycon carica. 



W. H. Dall. Five species of Lepitidce, types of descriptions 

 published in the Journal. 



W. S. W. Ruschenberger. Two hundred and seventy-seven 

 species, principally marine mollusca, personally collected by 

 the donor. 



Dr. J. C. Cox. Two hundred and twenty-three species, land, 

 fresh-water and marine shells of Australia, New Caledonia 

 and adjacent islands, including types of many new species. 



W. H. Pease. Sixty-three species of marine shells from the 

 Polynesian seas including types of new species published in 

 the Journal. 



Chicago Academy of Natural Sciences. Thirty-four species 

 of Japanese mollusca, collected by F. BischofF. 



Rev. Alden Grout. Eight species of land shells from Port 



Natal. 

 Smithsonian Institution. Five hundred land, fresh-water 



and marine shells, carefully named by Mr. P. P. Carpenter. 



LuiGl Benoit. One hundred and eighty-six species of land 

 shells from Sicily, including types of most of his descriptions. 



J. H. Thomson. Cyprea picta, 0. zonata, 0. annulus, C. ob- 

 velata and O. Beckii ; Trivia eandidula and T. pulex. 



Sylvanus Hanley. Four hundred and four species of land, 

 fresh-water and marine shells, principally European, but in- 



