THE MANUAL OF CONCHOLOGY. 



— •- i» — ■» 



Founded by the late Geo. VV. Tryor, Jr., and continued liy Henry A. Pilsbry, Sci. P., 

 for the Academy ot Natural Sciences of Philadelphia. 



The Manual of Conchology is a fully illustrated monography of recent mol'.usks. 

 Issued in octavo form, hi quaiterly parts. Each part comprises 64 (or more) pages of 

 letterpress, and 15 to 'J'l plates. 



The Fll^sm Series, Marine Univalves, of which seventeen volumes have appeared, is 

 now finished as planned l>y 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, "f^uide to the Study of Helices," will be sold sjparately at 

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

 Catalogue or Check list, cnn also be had at gl.OU ench. 



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

 §1.00 each. 



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

 progress, finishing the study of tho Achatinide. 



Prices:— Plain (uneilored) edition, jj3.00 per part. Colored edition, £5.00 per part. Fine 

 edition (both colored and India-tinted plates), 56.00 per part. 



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



S. RAYMOND ROBERTS, Treasurer, 



P. O Address, GLEN HUGE, NEW JEUSEY, U. S- A- 

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

 and II. A Pilsbry. Paper, &2.50. 



mxm ita.ttifxeitjs 



A MONTHLY DEVOTED TO THE 

 INTERESTS OF C0NCH0L0GISTS 



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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m m A. H. PETEREIT, 



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