MANUAL OF CONCHOLOGY; 



STRUCTURAL AND SYSTEMATIC. 



^ATITH ILLUSTRATIONS OF 



THE SPECIES, 



By GEORGE W. TRYON, Junr., 



Conservator of the Conchological Section of the Academy of 

 Natural Sciences of Philadelphia. 



on^ I^^ ^^l^r ^°^"^^ (commencing January ist, 1881,) will contain descriptions 

 and figures of the TRiTONm^, FusiD^ and Buccinid^. This volume wTllSde 

 many species not comprised in any of the monographs of the above genera hkherto 



^ Vol TV ?fi^"' "^^f ^V^^f'l^^ ^<=^rly ^s possible at quarterly-year y periods 

 [Vol. IV 1882 will probably contain the eenera Na^l^ T,,.Lilu Kt^ 7 

 Mitra, Columbelk, Marginella, Oliva, AncillariafHarpa etT] ^"'^'"^^'^' ^°'"t^' 



,, ■ ^ Completed Volumes. 



Vol. I. Cephalopoda. 1879. 



specief aS^ftvois^nf 2'^f ^ "^ P^^'"'' ^^^^""g 671 figures of recent 

 v^T ^TT ifi f ^P T.*^ ^°^''^ S^"^"^^ ' together with anatomical details 



Vol. II. MuRiciN^ and Purpurin^. 1880 ueraus. 



289 pp. with 70 plates (977 figures). Contains a concise account of the 

 structure, habits and distribution of the prosobranchiate gasteropod moUusks 

 a sketch of their development, notices of the various systems of classTfiraHnn 

 etc. ; together with descriptions of all the species. classification, 



CONDITIONS. 



The Manual OF CONCHOLOGY will be published, by subscription in parts 

 (m octavo form), of which about four will constitute a vokme. Each pa^t^^U 

 embrace from 16 to 24 plates, with accompanying text. Each voIumTwill heVZ 

 plete m itself and will be furnished with appropriate title page, inSSc It Part^' 

 SuHcSwiiToE"^' ^^^9, will commence the history Sf^the Cephalopodlrthe 



It is impossible to predicate the length of time that will be required to complete 

 the_work; it will certainly occupy several years. Subscriptions will be revocabe 

 on the completion of any volume. i' ^ ""^^ "c revocaoie 



Fine*Ed?tion ^°TS'f will be published ; including three styles, as follows : 

 J^lNE EDITION.— The text Will be printed on heavy plate paper, and the plates will 



PHc'e ;S"ptr't "'"^ '"' ''^'" ^'"*^'- ^''^^°° strFctFy limited to ^Tcopils" 



vS^^i^^'^'t^f''''^^''''^''''''-^'- ^-^-^' ••• 1oo° 

 A ' '"' ■■ ■ ■ •• 3 00 



American subscribers will please address 



GEO. W. TRYON, Jr., 

 Acadeniy of Natural Sciences, Philadelphia, Pa 

 Foreign subscriptions may be sent to either of the following booksellers • 

 TRUBNER & Co., 57, 59 Ludgate, Joseph Baer & Co., Irankfurt am Main. 



London. 



F. Savy, 77 Boul. St. Germain, Paris. 

 A. Asher & Co., 53 Mohrenstrasse, 



Berlin. 

 C. Gerold's Sohn, Vienna. 



H. Georg, Rue de Lyon 65, Lyons 

 France. ' 



H. Georg, Bale. 



H. Georg, Corraterie No. 10, Geneva 

 ^ ^ ^ , ^- HOEPLI, Milan, Naples and Pisa. 



upon the subscription price for either of the volumes. ^ ^ advance 



