BOOKS RECEIVED. 



Descriptions of Two New Species of Cypraea. — By S. R. Roberts. 

 — (Amer. Journal of Conch. 1868, pp. 250 — i, and plate xv.) 



[The Author. 



On some New Species of Oliva, and On a New Trivia. — By F. P. 



Marrat. — (From Annals 6^ Mag. Nat. Hist, Sep. 1867, p. 3). 



[The Author. 



Observations on some proposed new species of Oliva. — By F. P. 



Marrat. — {Annals and Mag. Nat. Hist, June 1868, 4 pages). 



[The Author. 



On a Collection of Pteropods and Heteropods. — ByF. P. Marrat — 



(Ann. & Mag. N. H., June 1868, 1 page). [The Author. 



EXCHAiraE. 



The undersigned has for Exchange — Land Shells from 

 Australia, Central and Western Polynesia ; also the new and rare 

 species from New Guinea and New Caledonia. 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, 



Curagoa House, 

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



FOR SALE-Price £175, 



A very fine and complete COLLECTION OF UNIVALVES, including about 

 8,000 species, of which 1,800 are Marine & 1,200 Land & Freshwater. 



The larger species are usually only represented by one speci- 

 men, and the smaller ones by two or more, in Glass Boxes. 



Outline of the Collection. 



Murex tenuispina (2), palma roscB, and 37 others. Volufa 

 cymbiola, rutila, pallida, volvacea, fusiformis, fulgetrum, angulala, 

 and 22 others. Mitra, about 100 species. Cypraa atcrora^ 

 tivibilicata, sulcidentata, exusta, tessellata, Capensts, and about 120 

 other species. Harpa ifuperialis (2) and 6 others. Triton, 

 Persona, Ranella, about 80 species. Marginella, 50 species, 

 Terebra, 50 species. Nassa, about 120 species. Columbella and 

 Engitia, 80 species, Contis, about 100 species. Oliva and 

 Ancillaria, about 60 species. Ttirbinida; and TrochidcB, about 

 175 species. 



Land Shells. 



Helix, including Nafiina and Cochlostyla, about 430 species, 

 Btilitnus, Biilimulns, and Bulifuinus, about 80 species. Clausiliay 

 90 species. Achatinella and Partula, about 1 20 species. Streptaxis, 

 5 species. Melafiiadce and Strepot/iatidce, about no species. 

 Paludina, Tatialia,Avipullaria, 6^c., about 40 species. Cyclostoma, 

 Helicina, Cataiihis, Cydophorics, and other operculated land shells 

 (many genera) about 130 species. 



Apply— British Naturalists' Agency, 



St. Ann Street, LEEDS. 



