MANUAL OF GONCHOLOGY: 



A Systema.tic, lllustra.teci tonography of the 

 Recent Species o-f Shells. 



FOUNDED BY THE LATE 



OEOROE MSI. TRYON, JTunLr., 



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 

 parts (in octavo form), of wliich four constitute a volume. Each part 

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

 Each volume is complete in, itself, and furnished with appropriate 

 title-pnge, index, etc. Subscri])tions can commence with, and are re- 

 vocable upon, the completion of any volume. 



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



Colored Edition. — Plates carefully colored by hand, 



per ])art - - - --.--- $5 00 



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



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



First Series. — Marine Gastropods. Seventeen vols, completed. 

 Second Series. — Pulmonata. Twenty-two volumes including the 

 Monography of Helicidfe, Bulimidse, Urocoptidse and Aehatinellidae. 



The ILLUSTRATIONS of the Manual have received 

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

 published. ^____ 



INQUiHIES ANn SUBSCHrPTlONS SHOULD BE ADDRESSED TO — 



S. RAYMOND ROBERTS, Treasurer 



P.O. Address-Olen Ridge, N. J., U.S.A. ; 



OR 



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

 43, Gerrard Street, LONDON. 



