MANUAL OF GONGHOLOGY 



A Systematic, Illustrated Monography of the 

 Recent Species of Shells. 



FOUNDED BY THE LATE 



GEOItOE IZy^. T:KY0N, Jiinr.^ 



CONTINUED UNDER THE CARE OF THE 



Conchological Section Acad, Natural Sciences of Philadelphia, 

 BY HY. A. PILSBRY, CONSERVATOR. 



The Manual of Conchology is published, by subscription, in 

 jjiirts (in octavo form), of which four constitute a volume. Each part 

 embraces from fourteen to twenty-four plates, with accompanying text. 

 Eacli volume is complete in itself, and furnished with appropriate 

 tkle-page, index, etc. Subscriptions can commence with, and are re- 

 vocable upon, the completion of any voluiue. 



Plain Edition.— Per part (four jiarts in a volume) - - - $3 oo 



Colored Edition. — Plates carefully colored by hand, 



per ]">art - - - --.--------- $5 oo 



Fine Edition. — Heavy i)ai)er, i)lates in duplicate, colored 



and India tinted, edition strictly limited to 25 copies - $8 00 



First Series. — INIarine Gastrojiods. Seventeen vols, completed. 

 Second Series. — Pulmonala. Eighteen volumes including the 

 Monography of Helicidfe, Bulimidi^, and Urocoptidre. 



^|iP~- The ILLUSTRATIONS of the Manual have received 

 high commendation, and are fully equal to the best figures of shells- 

 published. 



INQUIRIES ANP SUBSCNirnONS .SHOULD i:K ADDKKSSEl) TO — 



S. RAYMOND ROBERTS, Treasurer, 



P.O. Address— Glen kidge, N.J., U.S.A.; 



OK 



KEOAN PAUL, TRENCH, TRUBNER & Co., Ltd., 

 43, Qerrard Street, LONDON ; 



OR 



R. FRIEDLAENDER & SOHN, Berlin. 



