128 ACCOUNTS, ETC., OF THE BRITISH MUSEUM. 



MoLLUSCA. — Six thousand nine hundred and two speci- 

 mens were acquired during the year. The following are 

 the most important series : — 



One thousand nine hundred and eighty-eight specimens 

 of land and freshwater shells collected in the Hawaiian 

 Islands, by Mr. R. C. L. Perkins, and described by Mr. E. R. 

 Sykes in the " Fauna Hawaiensis." The collection includes 

 the types of forty new species and many others new to the 

 Museum ; presented by the Joint Sandwich Island Committee 

 of the Royal Society and the British Association. 



Two hunded and fifty-eight microscopic preparations of 

 the radulsB of Mollusca, and five hundred and twenty-eight 

 specimens of pal?earctic Unionidco, many new to the collec- 

 tion, being a second instalment of the Norman Collection ; 

 purchased. 



One hundred and forty-six shells from the collection of the 

 late Sylvanus Hanley, Esq., including the types of eighty- 

 three species and some figured specimens ; purchased. 



Two thousand two hundred and twenty-one fresh-water 

 shells from the United States, containing fine series of many 

 species, from various localities, new to the collection; 

 purchased. 



One hundred and eight land, fresh-water, and marine 

 shells, mostly from South Africa, several new to the 

 collection ; presented by J. H. Ponsonby, Esq. 



Eleven land and marine shells, including the type of 

 Bulimulus dunhinfieldi from Brazil, and a co-type of a very 

 fine new species of Conus (C. clytospira) from the Arabian 

 Sea ; presented by J. C. Melvill, Esq. 



Two fine examples of the rare Pleurotomaria heyrichi 

 from Japan ; purchased. 



One hundred and forty-five land shells from Syria, 

 including species of Helix, Clausilia and Buliminus new to 

 the collection ; purchased. 



Eighteen marine Mollusca from great depths in the Bay 

 of Bengal a.nd the Arabian Sea, including seventeen co-types 

 of species recently described ; presented by the Indian 

 Museum, Calcutta. 



Six hundred and seventeen land, fresh-water, and marine 

 shells from Lifu, Philippine Islands, Tonkin, Tasmania, and 

 other localities, nearly all new to the collection, including 

 examples of Rostellaria Martini, Valuta uniplicata (type), 

 CyprcBa nigricans and other rareties ; also forty-five type's 

 of new species ; purchased. 



