EzcsAiraE. 



Notices of Exchanges, not exceeding six lines in length, will be 

 inserted Free of Charge. 



The undersigned has for Exchange : — 



Land Shells from AustraUa, Central and Western Polynesia; 

 also the new and rare species from New Guinea and New Cale- 

 donia. The dredged Marine species of Port Jackson correctly 

 named. 



For copies of Papers, especially on Shells, Mollusca, and the 

 Geographical distribution of Animals. East Indian and South 

 American Land Shells taken. 



JOHN BRAZIER, C.M.Z.S., &c., Curagoa House, 



II, Windmill St., SYDNEY, N.S.W. 



:o: 



Mr. J. H. THOMSON, C.M.Z.S., of New Bedford, 

 Massachusetts, U.S.A., would be glad to exchange North 

 American Land Shells for any of his desiderata in nun-operculate 

 Helicacea. 



BOOKS RECEIVED. 



Annales de la Societe Malacologique de Belgique — tome xi., 

 annee 1876, Svo., pp. 160 and 161, with 10 plates. 



[The Society. 



New and Peculiar Mollusca of the Patellidse and other Families 

 of Gastropoda procured in the 'Valorous' Expedition. — By 

 J. Gwyn Jeffreys, LL. D., F.R.S.— 8vo., pp. 13. [The Author. 



Proceedings of the Academy of Natural Sciences of Philadelphia, 

 1877, pp. 452 and 2 plates. [The Academy. 



Proceedings of Boston Society Natural History, vol. xix., Part I, 

 Aug. 1877, 8vo., pp. iro and 7 plates. [The Society. 



Address to the Biological Section of the British Association, 

 Plymouth, i6th August 1877. — By Dr. J. Gwyn Jeffreys, 

 F.R.S.— 8vo., pp. 9. [The Author. 



Descriptions of a new Genus of Gasteropodous Mollusca from 

 Japan, and of a new species of Bullia from Kurrachi. — By 

 Gto. French Angas, C.M.Z.S. — P.Z.S., June 5, 1877,2 pp. 

 and ])late. [The Author. 



Transactions of the Yorkshire Naturalists' Union, Part I, 1877 

 (inchiding an annotated list of the land and freshwater 

 mollusca known to inhabit Yorkshire. — By W. Nelson and 

 John W. Taylor). [1 he Union. 



Comments upon Mr. Calkins' 'Marine Shells of Florida.' — By 

 Robert E. C. Ste:nns (extr. from 'Science New?,' April 15, 

 1879). — Svo., pp. 2. [The -Authon 



The Naturalist, edited by C. P. Hobkirk, F.L.S., and Q/W Porritt, 

 F.L.S. — Jan., Feb., March, April, May, June, July, and Aug. 

 1879. — Svo. [ I'he Editors. 



