VALUABLE WORKS ON OONCHOLOGY 



rOIi SALE. 



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

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

 traits and over '2d'S wood engravings ; with contributions by Conrad, 

 Blnnd, Anthony, Biuney, 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, t:ilt, red edges, 



at $15.00. 



2. American Journal of Conchology, Vol. 2, 186G. Containing 400 

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

 500 wood engraTings ; 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. 



^*^ 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. 'I'rvon, Jr. This 

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

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

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

 early ap|)licMtion will be necessary to secure it. There are already about 

 6U subscribers. The work is published in the following styles : 

 1st. Plain edition, printed on fine calendered paper, wi'h uncolored 



plates, ai $1 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- 

 tidae (Melanians^ of the United States, with < ritical 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 : Covtribuh'onx towards a Mnnnqra-phy nf the Order PhnJadncea. with Hesrnplinns of 

 N'vi Sp'cies. Descriptions of two veto Species of Frush Water Mollusca from I'anama. Des- 

 criptiim nf a new Exotic Me.hivia. Descriplimis nf new Species of fVes'i ^Vater Mollusca be- 

 longing to the Families Amnicolidif. Valvatidie and Limnifidst.'inhaliting California. De- 

 scription nf a new Species of Pleurncera. Descriptinn of a new Species of Teredo, from New 

 Bedfirrd. Mass. Descriptions of two new Species of Mexican Land Shells. Synoni/my of the 

 Species of Strepomatidx, Parts 1,2, 2, i and Supplement. 

 The Edition is very limitPd— i nly 75 copieis. Early application will, therefore, be nece.-saiy to 



secure the w irk. 



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 of Kafine.oqne'8 Complete Writings ever published, and conta ns reprints 

 of many papers, which had been entirely forg.itten 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 Or !er Pholadacea. 

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



^ . . Cloth, $2.00. Paper, $1.75. 



CoDtains Monographs of the K«niilie8 Gastrochaenida. I'holartidffi, and Teredid®. History of 

 American Conchology, and DescriptionB of new Species of Fresh Water an I .Marine Shells. 



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

 of I he Concholoijical Section and to Booksellers. Apply to 



"C0.NCH0L0GICAL Skctio.s Academy of Natural Science-". Philadelphia," 

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



