VALUABLE WORKS ON CONGHOLOGY 



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

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

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

 BUnd, Anthony, Binney, Newcomb, Stimpson, ^Y. 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 

 50u wood engravings; with contributions by Newcomb, Bland, Conrad, 

 Gabb, Anthony, Pease, P. P. Carpenter, Morch, Tryon, etc. Price, in 

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



J^.^. Full tables of contents of the above two volumes forwarded to those 

 d siring them. 



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



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

 work is now completed. It contains over 200 pages of text and is illus- 

 trated by 18 lithographic plates crowded with figures. Only 100 copies 

 were {u-inted, which are mostly sold. The work is published in the 

 following styles : 

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



Pli^tes, Price, $8.50. 



2d. Colored edition, same paper, plates finely colored. Price, $13.50. 



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



on tinted paper, and finely colored. Price, $20.00. 



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

 tidae (Melanians^ 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 : CmMhntioiis towards a Mnno(jraphy of the Order Phnladacea, with Descriptions of 

 JSew .Species. Descriptions of two ««« Species of Fresh Water Mollusca from Panama. Des- 

 cription of a new hxotic Mdania. Descriptions of new Species of Fresh Water Mollusca be- 

 tongmg to the Faimlies Amnicolidir. Valratidx and Zimnieidis, inhabiting California De- 

 sert pwii of a new Species of Pleurocera. Description of a new Species of Teredo, from New 

 ^edJord.Mass. Descriptions of two new Species of Mexican Land Shells. Synonymy of Vie 

 SpecicsofStrepomatidie, Parts 1,2,3, i and Si<2)plement. J ^ J 



The Edition is very limited-only 75 copies. Early application will, therefore, be necessary to 

 secure the W'irk. ^ ■> j ^ 



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

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

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



Thi.-! is the only edition ot Rafinesque's Complete Writings ever published, and contains remints 

 of many papers, which had been entirely forgotten by naturalists. 'onuiins repnnts 



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. 



Contains Monographs of the Families Gastrochajnids. PholadtL; and Teredids^ Hisforv of 

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



n/,^r '^TT"^ of 2^ per cent, will be allowed from the above prices, to Members 

 of Ike Conchological Section and to Booksellers. Ajjphj to 



"CoNCHOLOGiCAL Sectiov Academy OP Natuhal SCIENCES, Philadelphia" 

 ; ^r to Its Agents— see 1st page of this cover. ' 



