MANUAL OF CONCHOLOGY: 



A Systematic, Illiistrated Monograpliy of the Eecent 

 Species of Shells. 



By GEO. W. TRYON, JUN., 



Conservator of the Conchologicai, Sf.ctiov of ihk Acaue.mv 

 OF Naturai, Sciences of Phh^adfi.phia. 



Tlie Manual of ConcholOgy is pul^lished, hy .suliscription, ill parts (h\ 

 octavo form), of which four constitute a voluinc. Eacli part omhraccs from i6 ta 

 24 plates, with accompanying text. Each vo'umo is complete in itself, and 

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

 with, and are revocable upon, the completion of any vohnue. 



''%/' The edition is limited to 250 copies, o( which 1S6 are already subscribed for. 



Plain Edition.— Per part (4 parts in a volume) $300 



Colored Edition. — Plates carefully colored by hand. Per part 500 



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



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



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



The seven completed vourmes comprise 2,176 ])p. text, with 530 plates, 

 containing 8,482 figures. 



Any volume sold separately. 



Vol. I. — Cephalo|Hida, 1S79. \'ol. II. — .Muriciihv aiul pLuiniridiv, iSSo. 

 Vol. III. — Tritonida% FusiiKx;, anil Puccinidie, 1S81. \'ol. I\'. — Nassid.e, Mitridiv. 

 Volulid;e, and Turbinellid^v. 1SS2. Vol. V. — MarginelliiUe, Olividi-e, and Colum- 

 bellidii;, 1S83. Vol. VL— Conid;x% and Plcurotomidic, 18S4. Vol. VII.— 

 Terebrida:, CancellariidLi;, Strombidi^;, (,'ypra'id;e. OvulicUc, Cassidid.v, and 

 Doliidiie, 1885. [Vol. VIII. — Naticidas, Calyptracida', Turritellida', Eulimid;v 

 and Pyramidellido:, 1S86J. 

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



Vol. I. — Testacellida:, Oleacinidre, A'itrinidoj, Limacida', Arionida:-, etc., 364 

 pp., with 60 plates (1,696 figures), 1S85. [Vol. II. — Zonilidiv, 18S6]. 



Subscribers will please address : — • 



George W. Tryon, Jun., 



Academy of Natural Sciences, Philadelphia, Pa. ; 



OK, 



TRUBNER & CO., 57, 59, Ludgati; Hitj., I,onpon 

 F, SAVY, 77, F.our.. Sr. Germain. Pakis. 



