MANUAL OF CONGHOLOGY: 



A Systematic, Illustrated Monography of the Eecent 

 Species of Shells. 



By QEO. W. TRYON, JUN., 



Conservator OF i'he Conchological Sectiox of ihk Academy 

 OF NATURAr. Sciences of Phh-adelphia. 



The Manual of Conchology is publislied, liy subscription, ill pails (ill 

 octavo form), of which four constitute a volume. Eacli part embraces from i6 to 

 24 plates, with accompanying text. Eacli vokune is complete in itself, and 

 furnished with appropriate title page, index, etc. Snliscriptions can commence 

 ■with, and are revocable upon, the completion of any volume. 



**■* The edition is limited to 250 copies, of whicli 186 are already subscribed for. 



Plain Edition.— Per part (4 parts in a volume) $3 00 



Colored Edition. — Plates carefully colored by hand. Per part ... ... 5 00 



Fine Edition.— Heavy paper, plates in duplicate, colored and India 



tinted, edition strictly limited to 25 copies ... ... ... ... S 00 



First Series. — Marine (Gastropods. To be completed in eleven volumes. 



The seven completed volumes comprise 2,176 pp. text, with 530 plates, 

 containing 8,482 figures. 



Any volume sold separately. 



Vol. I. — Cephalopoda, 1879. Vol. II. — Muricldie and Purpurid;!.-, 18S0. 

 Vol. III.— Tritonidse, Fusid.e, and Bucclnidre, 1881. Vol. IV. — Nassidoe, Mitridie. 

 Volutidn;, and Turbinellidce, 1882. Vol. V. — Marginellidie, Olividii;, and Colum- 

 bellid;e, 1883. Vol. VI.— Conidie, and Pleurotomidre, 1884. Vol. VII.— 

 Terebridiie, Cancellariidce, Strombidi^, Cyproeidas, Ovulida;, Cassididie, and 

 Doliidee, 1885. [Vol. VIII. — Naticida), Calyptracid:e, Turritellidse, Eulimidiie 

 and Pyramidellidze, 1886]. 

 Second Series. — Pulmonata. To be completed in ten volumes. 



Vol. I. — Testacellida;, Oleacinidoe, Vitrinidos, LimacidcC, Arionidse, etc., 364 

 pp., with 60 plates (1,696 figures), 1885. [Vol. II. — Zonitidie, 1886]. 



Subscribers will please address :^ 



George W. Tryon, Jun., 



Academy of Natural Sciences, Philadelphia, Pa. ; 



or, 



TRUBNER & CO., 57, 59, Ludgate Hill, London 



F, SAVY, 77, BouL. S'j'. Germain, Paris. 



