MANUAL OF CONCHOLOGY: 



A Systematic, Illustrated Monography of the Eecent 

 Species of Shells. 



By GEO. W. TRYON, JUN., 



COXSERVATOR OF THE COXCHOLOGICAL SeCTIOX OF THE ACADEMY 



OF Natural Sciences of Fhiladelphia. 



The Manual of Concliology is published, by subscription, in parts (ip 

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

 24 plates, with accompanying text. Each volume is complete in itself, and 

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

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



*^* The edition is limited to 25acopies, of 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 India 



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



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, 1S79. ^^i- U- — Muricid^^ and Purpuridce, 18S0. 

 Vol. III. — Tritonidse, Fusidse, and Buccinidae, 1881. Vol. IV. — Nassidc"e, Mitridce. 

 Volutid^'e, and Turbinellld.'e, 1SS2. Vol. V. — Marginellidre, Olividie, and Colum- 

 bellidi^, 1S83. Vol. VI. — Conidce, and Pleurotomidce, 1884. Vol. VII. — 

 TerebridK, Cancellariidi"e, Strombidne, Cyprteidoe, Ovulidce, Cassididce, and 

 Doliidi-e, 1SS5. [V'oL VIII. — Xaticid.-w, Calyptracidae, Turritellidre, Eulimidi^ 

 and Pyramidellidee, 18S6]. 

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



Vol. I. — Testacellidce, Oleacinidae, Vitrinidce, Limacidie, Arionidce, etc., 364 

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



Subscribers will please address : — 



George W. Tryon, Jun., 



Academy of Natural Sciences, Philadelphia, Pa. ; 



OR, 



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

 F. SAVY, 77, BouL. Sj'. Germaix, Paris. 



