THE JOURNAL OF MALACOLOGY. iii 



THE MANUAL OF CONCHOLOGY. 



Founded by the late Geo. W. Tryon, Jun., continued under the care of the 

 Conchological Section, Academy of Natural Sciences of Philadelphia, by 

 Henry A. Pilsbry, Conservator. 



The Manual of Conchology is a fully illustrated monography of recent 

 molluscs, Issued in octavo form, in quarterly parts. Each part comprises 64 

 (or more) pages of letterpress, and 15 to 20 plates. 



Two series are now in progress: the First Series, Marine Univalves, of 

 which fifteen volumes have appeared, finishing the series as planned by its 

 illustrious founder. A supplemental volume to this series will be issued this 

 year, to contain some families not heretofore considered. Of the Second 

 Series, Terrestrial Molluscs, nine volumes have been published completing 

 Helix with Inde.x. 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 can also be had at ^i.oo each. 



The Monography of the Bulimi will be commenced in the tenth volume. 



The illustrations of the Manual have received high commendation, and are 

 fully equal to the best figures of shells published. 



Prices : — Plain (uncoloured) edition § 3'ooper part. Coloured Edition $5'oo 

 per part. Fine edition (both coloured and india tinted plates) $8"oo per part. 



Structural and Systematic Conchology, by Geo. W. Tryon, Jun. 



A Complete Conchological Text Book of 1,200 pages, 140 plates and 

 over 3,500 figures of Genera, Anatomy, &c. Three volumes bound in one, 

 Cloth. Price $ 6-oo. 



For further information or descriptive circular, with sample plates of the 

 Manual, address : — 



S. RAYMONB ROB5IRTS, Treasurer. 



P. O. Address, GLEN RIDGE, NEW JERSEY, U.S.A. 



THE COLLECTOR'S MANUAL 



OF 



British Land and Freshwater Shells, 



BY LIONEL E. ADAMS, B.A., 



HON. TRnASURER, CONCHOLOGIC.VL SOCIETY. 



Illustrated by Collotype cS- Engraved Figures of the species from Original Drawings. 



By A. SIGH, G. W. ADAMS, and the AUTHOR. 



SECO]Vr> £:i3ITIO]V, 



Containing a full enumeration and description of all the recognised 

 varieties, with diagnostic tables of the more difficult genera, framed for the 

 purpose of facilitating the easy identification of the more critical species. 



A full and detailed Census of the known Distribution of every Species, 

 including the results of the latest researches, has been added. 



PRICE, S/- PLAIN and 10/6 COLOURED, NEXT. 



A fe-w copies with duplicate plates {coloured and plain), at 15/- per copy, 

 nett. Free by post, 5d. per copy. 



TAYLOR BROS., Publishers, LEEDS. 



