VALUABLE WORKS ON CONCHOLOaY 



FOR, SAL1±:. 



1. American Journal of Conchology, Vol. 1, 1805. Contain'ng 400 

 pages, illustrated by 31 colored and plain lithograi)liic plates and por- 

 traits and over 293 wood engravings ; with contributions by Conrad, 

 Bland, Anthony, Binney, Newcomb, Stimpson, W. Harper Pease, Wheat- 

 ley, Tryon, etc. Price, in numbers, §12.50, or each number separately 

 $3.75. A few copies beautifully bound in red morocco, gilt, red edges, 



at f 15.00. 



2. American Journal of Conchology, Vol. 2, 1866. Containing 400 

 pages, illustrated by 27 colored and plain lithographic plates, and nearly 

 500 wood engravings ; with contributions by Newcomb, Bland, Conrad, 

 Gabb, Anthony, Pease, P. P. Carpenter, .\Iorch, Tryon, etc. Price, in 

 numbers, $12.50, or each number separately $3.75. 



jL*^ Full tables of contents of the above two volumes forwarded to those 

 desiring them. 



3. Monograph of the Terrestrial Mollusca of the United States. 



With illustrations of all the Species. By George W. Tryon, Jr. This 

 work will be completed in five cjuarterly parts, each containing about 

 32 pp. 8vo te.xt, and four lithographic plates crowded with figures. Three 

 parts have been published. Only 100 copies will be printed, so that an 

 early application will be necessary to secure it. There are already about 

 60 subscribers. The work is published in the following styles : 

 1st. Plain edition, printed on fine calendered paper, with uncolored 



plates, at $1.25 per part. 



2d. Colored edition, same paper, plates finelj' colored, $2.00 per part. 

 3d. Fine edition, on very heavy plate paper, with duplicate plates, plain 



or tinted paper, and finely colored, $3.00 per part. 



4. TRYON, GEO. W., Jr., Synonymy of the Species of Strepoma- 

 tidae (Melaniansi of the United States, with critical observations 

 on their Affinities, and Descriptions of Land, Fresh Water and Marine 

 Mollusca. 8vo, over 100 pp., wi'h lithographic plates. 1865. 



Cloth, $2.00. Paper, $1.75. 



CONTENTS: Con/rihulionx tinvarch a Mnnngraplnj of the Order Pholadacea, with THscrijitions of 

 Ke.w Species. Descriptions of two new Species of Fresh Water Mollusca from Panama. Des- 

 cription of a new Kj-otic Melania. Dcfcriptions if new Species of Fresh Water Mollusca 6e- 

 longing to the Families .Amnirnliilie, Valrutidie and Limiueid;e. inhalntinij California. De- 

 scription of a new Species of Pleiirocera. Description of a new Species (f Teredo, from New 

 Bedfm-d. Mass. Descriptions of two new Species <f Mexican Land Shells. Synonymy of the 

 Species of Strepomatidsi', Parts 1, 2, 3, 4 and Siijiplement. 

 The Edition is very limited — inly 75 copies. Early application will, therefore, be necefsaiy to 



secure the work. 



5. RAFINESQUE, C. S., Complete Writings on Recent and Fossil 

 Conchology. Edited by William G. Binney and Geo. W. Tryon, ,)r. 

 8vo. 1864. With lithographic plates Price, $2.50. 



This is the only edition ot Uafinesqne's Complete Writings ever puljlished, and ronta'ng reprints 

 of many papers, which hail heeii entirely forgotten by naturalists. 



6. TRYON, GEO. "W., Jr., List of American Writers on Recent 

 Conchology, with the Titles of their Memoirs and Dates of Publication. 

 Svo. 18G0. Printed on fine plate paper. Cloth, $2.00. Paper, $1.75. 



7. TRYON, GEO. W., Jr., Monograph of the Order Pholadacea. 



and other Papers. 8vo, 127 pp., with plates. 1862. 



Cloth, $2.00. Paper, $1.75. 

 Contains Monographs of the Fsniilies GiistrocLiPnic'Ee. Vholadit'ae, and Teredidte. History of 

 American Conchology, and Descriptions of new Species of Fresh Water and Marine Shells. 



^*^ A discount of 20 per cent, will he allowed froin the above prices, to Members 

 of the Conchological Section and to Booksellers. Apply to 



"CoNCHoLOGiCAL SECTION AcADEMY OF NATURAL SCIENCES, Philadelphia," 

 Or to its Agents — see 1st page of this cover. 



