TERMS FOR ADVERTISING. 



m FIVE VOLUMES, POST 9,vo., CLOTH, £4, OR, WITH THE 

 FIGURES OF SPECIES COLORED, £5, 5s. 



B^^ITISIEi OOa^TGH:OI-.OC3-■"^, 



Or an Account of the Mollnsca mrhicli now Inhalbit the British 

 Isles and the surrounding seas. 



By JOHN GWYN JEFFREYS, F. R. S., F. G. S., etc. 



Eacb volume bas a colored frontispiece and eight plates to illustrate the 

 genera, and the last volume has 102 supplementary plates, with figures of all 

 the species and principal varieties of the shells, being altogether 147 plates. 



Published by JOHN VAN VOORST, 1 Paternoster Row, 



London. 



WANTED TO EXCHANGE, 



Land, Fresh-water and Marine SHELLS of AUSTRALIA for those of any 

 part of the world except Europe. 



Apply to Dr. JAMES C. COX, 



130 Philip Street, 

 Sydney, 

 1 yr. New South Wales. 



TO EDUCATIONAL INSTITUTIONS AND COLLECTOKS. 



The subscriber offers FOR SALE his private collection of the Shells and 

 Mollusks of California and the adjacent States. The series embraces about 

 six hundred and fifty species, carefully named and neatly mounted, and is the 

 best collection of West Coast Shells extant, except the California State Cabi- 

 net. Address 



JNO. G. COOPER, M. D., 



San Francisco, Cal.. 

 Or E. J. NOLAN, M. D., 

 2t. • Academy of Natural Sciences, Phila. 



TO COlSrCiiOI^OOISTS. 



FOR SALE, a very large collection of BOOKS relating to Conchology ; 

 also several thousand named species of SHELLS. 



The above being duplicates, we are anxious to dispose of them at very low 

 prices. For particulars, address 



E. J. NOLAN, M. D,, 

 Conservator of Conch. Sect. Acad. Nat. Sciences, 



Cor. Broad and Sansom Streets, Phila. 



