Mollusca. 7 n:i 



A second large collection of land and fresh-water shells from 

 Jamaica, consisting of 6000 specimens, nearly all named, 

 purchased this year from Mr. E. Ohitty. The first Beries was 



received in 1854. 



1858. 



842 British Mollusca presented by Joshua Alder, Esq. I 

 acquisition derived considerable value on account of its fa 

 been named by this well-known author. 316 of the specimens 

 were Nudibranchs, a group of Molluscs which Mr. Alder had 

 made a special object of study and research. 



1859. 



13 land and fresh-water shells from Central Africa were 

 presented this year by Capt. Speke. They were of special 

 interest, as they included the first specimens received in Europe 

 from Lake Tanganyika. They were described by .Mi. B. P. 

 Woodward in the Proceedings of the Zoological Society for L859. 



1860. 



Between the years 1860 and 18G4 a large collection of 

 Mollusca consisting of 918 specimens from Vancouver Island 

 were presented by Mr. J. K. Lord. He collected them whilst 

 engaged as naturalist to the British N.W. American Boundary 

 Commission, and some of the novelties were described by Dr. 

 Baird in the Proceedings of the Zoological Society for 1 E 



1862. 



41 specimens from Lake Nyassa were added to the collection 

 this year. They were collected during one of Dr. Livingst- 

 Expeditions by Dr. John Kirk, and were of interest as being the 

 first specimens received from this lake. 



1865. 



A second collection of land and fresh-water shells made in 

 Central Africa by Capt. Speke, during his travels • r the 



source of the Nile, were this year added to the collection, 

 of them were from the Victoria Nyanza. 



3986 land shells from Madeira [slands were presented by 

 Baron C. de Paiva. The specimens were all name 1 and I >rmed 

 a very valuable addition to the Museum Collection. 



