PUBLICATIONS OF THE 

 ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Eight volumes of the New Series of the Journal and Part I of Volume IX (Quarto) 

 have been issued — 1847 to 1884. Tho price per volume of four parts is $10, or $3 per part, to 

 subscribers; and to others, $12.50 per volume, or ${.75 per part. Vol. VII contains "The 

 Extinct Mammalian Fauna of Dakota and Nebraska, with a Synopsis of the Mammalian 

 Remains of North America." Illustrated with thirty plates. By Joseph Leidy, M.D., LL.D. 



The First Series op the Journal, 1817 to 1842, in eight volumes, octavo, may be 

 obtained at $40 to members, and to the public, $48. 



The First Series op the Proceedings of the Society, published in octavo, 1841 to 

 1856, of which eight volumes were completed Dec. 31, 1856, may be obtained at $24 to 

 members; and to the public, $30. 



The Second Series of the Proceedings, commencing January 1, 1857 (of which 

 fourteen volumes were completed Dec. 31, 1870), may be obtained at $42 to members, or $3 

 per volume separately; and to the public, $3.75 per volume. 



The Third Series of the Proceeuings, Illustrated, commencing- January 1, 1871, 

 (of which fourteen volumes were completed Dec. 31 , 1 884), is published at $5 per annum, payable 

 in advance, to subscribers; single volumes, $6.25. 



American Journal op Conchology, 1865-71. Seven vols., 8vo. Containing 2500 

 pages, illustrated by one hundred and fifty plates, many of theui colored, besides about a 

 thousand wood engravings. Published at $70. Price reduced to $42 for the set. Separate 

 volumes, $10 each. 



The Academy has the following works for sale at the prices afiBxedr 



Description of Shells op North America, with 68 colored plates. By Thomas Sat. 



1830-34. $10.50. 

 Monograph op the Terrestrial Mollusca op the United States. With illustrations 



of all the species. By Geo. W. Tryon, Jr. Fine edition, plate paper, with duplicate 



plates, colored and tinted, $20; colored edition, $13.50; plain edition, $8.50. Only 



one hundred copies printed, which have been mostly sold. 

 Monograph op thb Fresh Water Fnivalve Moi.lusca of the United States. By S. S. 



Haldeman, 1840-44. With Continuation to 1871. By George W. Tryon, Jr. 2 



vols., with many colored plates. Fine edition, dui>licate plates, $40 ; with colored 



plates, $25; with plain plates, $18. 



Either the original work or the continuation furnished separately, if desired. 

 Synonymy op the Species of StrepomatiDjK (Melanians) op the United States. By 



Geo. W. Tryon, Jr. Cloth, $2 ; paper, $1.75. 

 List op American Writers on Recent Conchology, with the Titles of their Memoirs 



and Dates of Publication. By Geo. W. Tryon, Jr. Cloth, $2 ; paper, J1.75. 

 Monograph of the Order Pholadacea and other >Papers, By Geo. W. Tryon, Jr. 



Cloth, $2 ; paper, $1.75. 

 Complete Writings on Recent and Fossil CeNCHOLOGY op C. S. Rafinesque. Edited 



by Wm. G. Binney and G. W. Tryon, Jr. $2.50. 

 Observations on the Genus Unio. By Isaac Lea, LL. D. 4to, Vols. 1 to 13. With 



Index, Nos. 1, 2 and 3, complete. Illustrated with several hundred fine lithographio 



plates. $60. 



Same, Vols. 2 to 13 inclusive, except Vols. 4 and 12. Each volume separately, $5. 

 Synopsis op Qknus Unio. By Isaac Lea, LL. D. Fourth edition. $3. 

 Contributions to Geology. By Isaac Lea. $5. 

 Fossil Foot-Marks. By Isaac Lea. Large folio, text and plate. $2. 



Same, plate alone. 50 cents. 



Notice to Booksellers. — All the publication.s of the Society will bo sup- 

 plied to Booksellers at a discount of 20 per cent on the prices cliurgetl to tlio public. 



Application to be made to Edward J. Noi-an, M.D., at the llall of the 

 Academy, comer of Nineteenth and Race Streets. 



March, 1885. 



