112 ACCOUNTS, ETC., OF THE BRITISH MUSEUM. 



Mollusca. — Three thousand two hundred and sixty-four 

 specimens were acquired during the year. The following are 

 the more important collections : — 



Thirty-three marine Shells from Tangier and the English 

 coast, and thirty-four enlarged photographs of minute British 

 species ; presented by Dr. G, W. Chaster. 



Eight land Shells from Vanbu, Tonkin, including the types 

 of new species of Helix and Pterocyclus ; purchased. 



Fifty specimens of Amjjhidromus from Borneo, Sumatra, 

 and other localities, including some types and many species 

 new to the collection ; purchased. 



Sixty land Shells from New Guinea, seventy land and 

 freshwater Shells from South Celebes, and one hundred and 

 ninety-one from the islands of Jampea, Selayar, and Kalao. 

 These series contain many new species described since their 

 acquisition, and others which were desiderata in the collec- 

 tion ; purchased. 



Seventy -three land Shells from New Guinea, Batchian, &c. ; 

 presented by Herr Bruno Strubell. 



Eighty- five land, freshwater, and marine Shells, including 

 several species new to the collection, from South Africa, the 

 West Indies, and other localities ; presented by J. H. Ponsonby, 

 Esq. 



Four hundred and seventy marine Shells from Australia, 

 including many species new to the collection ; presented by 

 A. U. Henn, Esq. 



The types of fourteen species of Pleurotoviidce from South 

 Australia ; presented by Dr. J. C. Verco. 



One hundred and nineteen specimens of Chitonidoe from 

 South Australia ; presented by W. T. Bednall, Esq. 



Twenty-one marine Shells from the collection of Mon. 

 Thomas of Brest, including the types of thirteen species ; 

 purchased. 



Forty-six land Shells from Peru, one hundred and sixty- 

 six land, freshwater, and marine specimens from New 

 Guinea, &;c., and forty-three marine Shells from the Mekran 

 coast. These comprise several type-specimens and many 

 species new to the collection ; purchased. 



Eighty-two land, freshwater, and marine Shells from various 

 localities, including the types of twenty-six species from 

 Bombay, and the type of Cyprcea amphithales ; presented by 

 J. Cosmo Melvill, Escj. 



Seventy-six specinnins of Slugs, including the types of eight 

 species of Janelhi, Amalia, Arion and Limax from the 

 collection of W. E. C )llinge, Esq. ; purchased. 



Arachnida. — Two thousand seven hundred and sixty- 

 four specimens were added to this branch of the collection. 

 The following acquisitions are the most important. 



Thirty 



