VALUABLE WORKS ON CONCHOLOGY 



rOR^ SALE. 



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

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

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

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

 ley, TryoH, etc. Price, in numbers, $12.50, or each number separately 

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



at $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, .Morch, Tryon, etc. Price, in 

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



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

 df-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 printed, which are mostly sold. The work is published in the 

 following styles : 

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



plates. Price, $8.50. 



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



3d. Fine ediiion, 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- 

 tidce (Melanians^ of the United States, with critical observations 

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

 Mollusca. 8vo, over 100 pp., wih lithographic plates. 1865. 



Cloth, $2.00. Paper, $1.75. 

 COXTEXT.S : Confrihiflionx krwarch a Mimoijraphy of the Onlrr Pholadacea, vnth Descriptions of 

 Xf.w Sp'xi>'s. Descriptions of tw> new Species of Fresh Water Mollusca from Panama. Des- 

 cription of a n>w Krotic Melania. Descriptions of new Species of Fresk Water Mollusca be- 

 lonijiiiiitothe Families Amnicolidee, Valcalidie and Limmiidu; 'inhahitiniy California. De- 

 scription of a new Species of Pleurocera. Description of a itew Specirs of 'Temlo, from New 

 Bedford. Mass. Descriptions of two new Species of Mexican Land Shells. Si/non'ymy of the 

 Sprcics of StrepomatidsE. Farts 1, 2, 3, -i and Supplement. 



The Edition ia very limited — unly 75 copies. Early application will, therefore, be necessary to 

 secure the work. 



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. 



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

 of many papers, which had been entirely forg .tten 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. 



Contains Monographs of the Families GastrochHenidae. Pholadida;, and Teredidie. History of 

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



*% -4 discount of 20 per cent, will be allowed from the above prices, to Members 

 of the Coitcholoyical Section and to Booksellers. Apply to 



"CoNCHOLOGiCAL SECTION AcADEMY OF Natukal Scie.vces, Philadelphia," 

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



