EXCHAiraE. 



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

 inserted Free of Charge. 



The undersigned has for Exchange : — 



Land Shells from Australia, 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. 



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 non-operculate 

 Helicacea. 



BOOKS RECEIVED. 



On some new species of Oliva. — By F. P. Marrat. — (Annals and 

 Mag. Nat. Hist. Sep., 1868), 3 pages. [The Author. 



Descriptions of Twelve New Species of Shells. — By G. B. Sowerby, 

 jun.— P. Z. S., Nov. 4, 1873. [The Author. 



List of Shells from Fuca Straits and Cape Flattery, collected and 

 presented to the Liverpool Free Public Museum, by Dr. 

 David Walker, corresponding member of the Society. — By 

 F. P. Marrat. — (Proceedings of the Liverpool Literary and 

 Philosophical Society, 1877). [The Author. 



Stereoscopic View of the Museum, Hobart Town, Tasmania. 



[Mr. W. Legrand. 



New species of Shells. — By F. P. Marrat. — (Annals and Mag. Nat. 

 Hist., Jan. 1874) — 8yo, one page. [The Author. 



Journal de Conchyliologie. — Index general et systematique des 

 matieres contenues dans les vingt premiers volumes du — 

 1850— 1872.— Paris, 8vo, 1878. [MM. Crosse & Fischer. 



Mollusca of H.M.S. 'Challenger' Expedition, Parts I, II, & III. 

 — By Rev. R. Boog Watson, B.A., F.L.S. — From the Linnean 

 Society's Journal — Zoology, vol. xiv., 1878, 8vo., 45 pages. 



[The Author. 



Bulletin of the Essex Institute, Salem, Mass., vol. viii., for 1876, 

 pp. 161. [The Institute. 



In the matter of certain Badly Treated Mollusks, by Robert E. 

 C. Stearns. — (California Academy of Sciences, April 21, 

 1879). — 8vo., pp. 10 and cuts. [The Author. 



