DEPARTMENT OF MOLLUSKS. 227 



Tlie mure iuipuitaiit accessious arc included iu UieloUowiug- e.iumeia- 

 tiou : 



T, H. Aldricli, esq. (Bloctou, Al;i.), scut ;i iiumbtT of typically naiiud speciiiu'iis of 

 Eocene Tertiary fossils studied by Otto Meyer. 



Hou. Delos Aruold (California) contributed au interesting st'ri<\s of Pliocene and 

 I'leistocene fossils of that State, chiefly from the southern coast. 



Mr. R. L, Bartlenian (of United States legation at Caracas, Venezuela ). has presented 

 HOiiK^ very interesting marine shells of that coast, including a bcautil'til series of the 

 Argonaut from the youngest to the adult shell. 



A collection less attractive but scientitically important, in the shape of his types 

 of American slugs, in alcohol, comiileting the typical Binney collection of the 

 Museum, was presejited by Mr. W. G. Binney. - 



From the British Museum a series of 31 species collected liy tin; ClKdleiitjir expedi- 

 tion were received, inidudiug several ^■arieties new to the collection. 



A few interesting Arctic species from the Kara. Sea were contributed by the Royal 

 Zoological Museum of Copenhagen. 



From Mr. Hugh Fulton, of London, a number of extremely rare African and other 

 sheila were purchased or obtained by exchange. These were forms needed to com- 

 ])lcte the series, and which there was im reasonable prospect of obtaining excej)t by 

 purchase. 



A remarkably lino series of TritiniUim J'rmondc ixMn the Bahamas was oldaincd 

 from Mr. I. Greegor, who has also donated a number of interesting shells from various 

 localities. 



Dr. II. von Ihering tif Rio (iraude do Sul, Brazil, scut a. number of South American 

 marine and fresh-water shells from that region, several of which were new to the 

 collection, and nearly all from localities not represented in our series. 



Dr. Robert T. Jackson, of Boston, contributed a series of young stages of oysters 

 and other bivalve shells, illustrati\e of his recent memoir on the Phylogeny of the 

 Pelecyx)oda. 



Mr. William Palmer collected while at St. Paul Island, Bering Sea, a very interest- 

 ing series of shells and Miocene fossils. 



From Miss Ida Shejiard and Mrs. M. Burton Williamson, of Santa Barbara County, 

 Cal., various interesting California species were received on several occasions. 



Mr. Frederick Stearns, of Detroit, Mich., sent for exchange the first series of dupli- 

 cates of his very interesting and valuable collection recently made in Japan. 



From the U. S. Department of Agriculture, through Dr. C. Hart Merriam, in 

 charge of the Division of Economic Ornithology, a number of small lots of land 

 shells and fresh-water shells, collected by the agents of the Department in Arizona 

 and other parts of the southwestern United States, were received. These contained 

 several novelties, which have been described by Dr. R. E. C. Stearns. 



From the U. S. Fish Commission a collection made by the schooner Grampus on 

 the Labrador coast, and various collections from the North Pacific coast, dredged by 

 the Albatross, were received. 



Mr. Joseph Willcox contributed several boxes of Pliocene and other fossils, chiefly 

 from Florida. These contained much that is interesting. 



ROUTINE WORK. 



The routiue work of tlie i)a>st year has not differed greatly from that 

 of the preceding year. It has been marked by the completion of the 

 work on the Lea collection, which is now entirely registered. The 

 Naiades hnve been i>laced on exhibition in the new cases; while the 

 duplicates are being arranged for easy access by Mr. Simpson with a 

 view to future exchanges. A large amount of work on fossiliferous 



