PUBLICATIONS OF THE 

 ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Eight volumes of the New Series of the Jocrnal (Quarto) have been issued — 1847 to 

 1881. The price per volume of four parts is $10, or $3 per part, to subscribers; and toothers, 

 $12.50 per volume, or $3.75 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 of ihe Journal, 1817 to 1842, in eight volumes, octavo, may be 

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



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

 1866, 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 Proceedings, Illustrated, commencing January 1, 1871, 

 (of which eleven volumes were completed Dec. 31, 1881), is published at $5 per annum, payable 

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



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

 pages, illustrated by one hundred and fifty plates, many of them 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 aflBxed: 



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



1830-34. $10.50. 

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



of all the species. By GrEO. 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 of the Fresh Water TTnivalve Mollusca 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, duplicate plates, $40 ; with colored 



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



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

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



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

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



and Dates of Publication. By Geo. W. Tryon, Jr. Cloth, $2; paper, $1.75. 

 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. Rafinesqub. 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 lithographic 



plates. $60. 



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

 Synopsis op Genus 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 publications of the Society will be sup- 

 plied to Booksellers at a discount of 20 per cent, on the jirices charged to the public. 



Application to be made to Edward J. Nolan, M.D., at the Hall of the 

 Academy, corner of Nineteenth and Race Streets. 



London, TRUBNER & CO., 



No. 57 and 59 Ludgate Hill, E. C. 



March, 1882. 



