Manchester Memoirs, Vol. II. (1907), No. 4 



IV. Notes on a Collection of Terrestrial and Fluviatile 

 Mollusca, made in North -Eastern Rhodesia, 

 during 1 1905, by Mr. Sheffield A. Neave, 

 M.A., B.Sc. 



By James Cosmo Melvill, M.A., F.L.S., 



AND 



Robert Standen, 



Assistant Keeper, Manchester Museum. 

 (Received and Read November 27th, igo6.) 



The collections of mollusca formed by Mr. Sheffield 

 A. Neave a year ago (1905), mainly in the neighbourhood 

 of the Loangwa and Kafue Rivers, North - Eastern 

 Rhodesia, are more remarkable for quality than quantity, 

 being select indeed both in numbers and the material 

 gathered. 



Geographically, this section of Rhodesia, situate, 

 roughly speaking, long. 28°5o' to 34°E., lat. 8°5o' to i6°S., 

 impinges on the West on the vast Congo Free State, 

 Northeastward on German East Africa, and due East 

 on British Central Africa and Nyasaland. As Dr. 

 Pilsbry* well remarks, the "West African Achatince are 

 "usually more richly coloured than the East African, 

 " and are more diversified in form, size, and coloration. 

 " No species are yet known to be common to the West 

 " and the Lake region or East coast." And what is here 

 said concerning the large Agate snails may be held good 

 for the majority of the other families of mollusca. 



The productions of Rhodesia may best, we think, 

 be compared with those of German East Africa, a vast 



* " Man. Conch.," vol. 17, p. 5. 

 February 20th, igoy. 



