^\ 



THE JOURNAL OE MALACOLOGY. 



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, arranged according to natural affinities, and includes a large number of 

 species never before figured or new to science. 



Issued in octavo form, in quarterly parts. Each part comprises 64 (or more) 

 pages of letterpress, and 1 5 to 20 plates. 



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

 which fourteen volumes have appeared. (The current volume will finish this 

 series) and the Second Series, Terrestrial Molluscs, of which eight volumes 

 are completed. 



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

 tully equal to the best figures of shells published. 



Prices :— Plain (uncoloured) edition $! 3 -oo per part. Coloured Edition $5-00 

 per part. Fine edition (both coloured and india tinted plates) § 8-oo per part. 



Structural and Systematic Conchology, \^y Geo. W. Tryon, Jux. 



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

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

 Cloth. Price, .j!6.oo. 



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

 Manual, address : — 



S. RAYMOND ROBERTS, Treasurer. 



P. O. Address, GLEN RIDGE, NEW JERSF". U.S.A. 



THE iNATTiRAi iQT'c utt— 



An Ideal Mag-az 



