VALUABLE WORKS ON CONCHOLOGY 



FOR, SALE. 



1. American Journal of Conchology, Vol. 1, 1865. Containing 400 

 pages, illustrated by 31 colored and plain lithograpliic plates and por- 

 ti-iuts and over 293 wood engravings ; with contributions by Conrad, 

 Bland, Anthony, Binney, Newcomb, Stirapson, 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, MoVch, Tryon, etc. Price, in 

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



^*^ 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 quarterly parts, each containing about 

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

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

 early apfdication 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 Si 25 per part. 



2d. Colored edition, same paper, plates finely 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- 

 tidas (Me)anians^ of the United States, with critical ol)servation3 

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

 Mollusca. Svo, over 100 pp., with lithographic plates. 1865. 



Cloth, $2.00. Paper, $1.75. 



CONTENTS : Conlribjdwns towards a Mnnnpraphy of the. Order Phnladacea, with Dtscriptinns of 

 Nrw Spfcies. Descriptions of two 7iew Species of Fresh Water Mollusca frnm Panama. Des- 

 cription of a new Exotic Metania. Descriptions of new Species of Fresh Water Mollusca be- 

 lonriinii to the. Families Amnicolidic, Valvatidic and Limnieidie, inhahitinci California. De- 

 scription of a new Sp'cies of Pleurocera. Description of a new Species of Teredo, from Kew 

 Bedfiird. Ma.'is. Descriptions of two new Species if Mexican Land Shells. Synonymy of the 

 Spri-ies of Strepomatidse, Parts 1, 2, 3, 4 and Snjiplemenl. 

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



secure the wirU. 



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

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

 Svo. 1864. With lithographic plates Price, $2.50. 



This is the only edition ot Rafinesque's Complete Writings ever published, and conta'ns reprints 

 of many papers, which had been 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. 

 8vo. 1860. 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. 

 Ciintains Monographs of the Fnmities Gastrochapnidae. PhoIadii'Ee, and Teredida'. History of 

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



^*^ A discount of 20 per cent, will he allowed from the above price-'!, to Members 

 of the Covchological Section and to Booksellers. Apply to 



" CoNCHOLOGiCAL SECTION AcADEMY OP Natukal SCIENCES, Philadelphia," 

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



