THE MANUAL OF CONCHOLOQY. 



"*^~ — ~~£~9~~ — "^ r " 



Founded by the late Oeo. \V. Tryon, Jr., and continued by Henry A. Pilsbry, Sci. D., 

 for tho Academy of Katural Scmnoes of Philadelphia. 



The Manual of Conchology is a full;/ illustrated monography of recent niollusks. 

 Issued in octavo form, in qtuiiterly parts- Each port comprises 64 (or more) rages of 

 letterpress, and 15 to 20 plates. 



The FlRSii Series, Marine Univalves, of which seventeen volumes have appeared, is 

 now finished as planned by its illustrious founder. Of the Segomd Series, Terrestrial 

 Mollusks, Eighteen Volumes have been published, completing Helix with index. A few 

 copies of Vol. IX of this series, "Guide to the Study of Helices," will be sold separately at 

 the regular subscription price. Separate copies of the Index, suitable for the purpose of a 

 Catalogue or Check list, can also be had at $1.00 each. 



The Monograph of the Bulimi is now completed with Index. Separate copies of Index, 

 91.00 each. 



The Monograph of the Urocoptids has also been completed, aid Vol. XIX is now in 

 progress, finishing the study of tho Achatinidve. 



Prices:— Plain (uucolored) edition, $3.00 per part- Colored edition, J5.00 per part. Fine 

 edition (both colored and India-tinted plates), §6.00 per part. 



For further information or descriptive circular, with sample plate of Manual, address 



S. RAYMOND ROBERTS, Treasurer. 



P. O- Address, GLEN KIUGE, NEW JERSEV, U. S- A- 

 An illustrated CATALOGUE OF JAPANESE MARINE MOLLUSKS, by F. Stearns 

 and 11. A Pilsbry. Paper, J.2.50. 



A MONTHLY DEVOTED TO THE 

 INTERESTS OF CQNCHOLOGISTS 



Edited and Published by H. A. Pilsbry and C. W. Johnson, 



Address: C. W. Johnson, Business manager, 



Boston Society of Natural History, 



Boston, Mass, U. S. A. 



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