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 \. 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 sixteen \'olumes have appeared, finishing the series as planned by its 

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

 year, to contain the Dentaliidae. Of the Second Series, Terrestrial 

 Molluscs, ten volumes have been published, completing Helix with Index. 

 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, suitable for the purposes of a Catalogue or Check list, can also be 

 had at ^i.oo each. 



The Monography of the Buliini is being continued. 



The illustrations of the Manual ha\-e received high commendation, and are 

 fully equal to the best figures of shells published. 



Prices : — Plain (uncoloured) edition, ^3'oo per part. Coloured edition, ?5'oo 

 per part. Fine edition (l)oth coloured and India-tinted plates) ftS.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 §600. 



For further information or descriptive circular, with sample plates of 

 Manual, address : — 



S. RAYMOND ROBERTS, 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., 



Hn.\. rREASUKER, CONCHOLOGICAL SOCIKTV. 



Illustrated by Collotype &■ Engraved, Figures of the species from Original Drdnnngs. 



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



SJEUOIVO JilJDITIOTV, 



Containing a fall 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, r^l- PLAIN and lO/O COLOURED, NEXT. 



A few copies unth duplicate plates [coloured and plain), at 75/- per copy 

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