PUBLICATIONS OF THE 

 ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Kizht volumes of the New Series of the Journal nnd Part I of Volume IX (Quarto) 

 have been issue d — 1S47 to I8S4. The price per volume of four |>arts is $10, or $3 per part, to 

 subscribers ; ami to others. $12.50 tier volume, or $(.75 per part. Vol. VII contains "The 

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

 Remains ot North America." Illustrated with thirty plates. By Joseph Leidy.M.D., LI..D. 



The Fiust Series op the Journal. 1*17 to 1842, in eight volumes, octavo, may be 

 obtained at $-10 to members, and to the public. $4S. 



The FiitsT Skiiiks of thf, Proceedings of the Society, published in octavo, 18-11 to 

 1S56, of which eight volumes were completed Dec. 31, 1S5G, may be obtained at $24 to 

 members; and to the public, $.'!0. 



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

 fourteen volumes were completed Dec. 31. 1S70), may bo obtained at $42 to members, or $3 

 per volume separately; and to the public, $:!.75 per volume. 



The Tiiihd Skiiiks of tiik Proceedings, Illustrated, commencing January 1, 1S71, 

 (of which fourteen volumes were completed D< c. '■'>], 1SS4), is published at $5 per annum, payable 

 in advance, to subscribers; single volumes, $0.25. 



,23&~ A life subscription to either the Proceedings or Journal has been placed at 



$10. or $7.» lor both. 



American Journal of Concfiolooy, 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 

 volume^, $10 each. 



BOOKS FOR. SAIfE. 



The Academy has the following works for sale at the prices affixed: 



Description of SnF.i.LS of Nortii America, with 68 colored plates. By TnoMAS Say. 



1830-34. $10.50. 

 Monograph of the Terrestrial Mom.itsca of the United States. With illustrations 



of all the species. By (Jeo. W. Tryoji, 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 thk Fhksh Water Univalve Moi.Li'SCA of the United States. By S. S. 



Haldkman, 1840-41. With Continuation to 1871. By (J'korce 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 op Strkpomatid*: (Melanians) of the United States. By 



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

 List of American Writkrs on Recent Conchologv, with the Titles of their Memoirs 



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

 Monograph of the Order Pholadacea and other Papers. By (jeo. W. Tryon, Jr. 



Cloth, $2; paper, $l.7.=>. 

 Complf.tr Writings on Recent and Fossil C»NcnoLOGY of C. S. Rafinesqub. Edited 



by Wm. (J. ISinney and (J W. Tryon, .In. $2 50. 

 Observations on the Genus Unio. By Isaac Lea, LB. 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 Vol*. 4 and 12. Each volume separately, $5. 

 Synopsis of Genua Unio. By Isaac Lea, LI.. D. Fourth edition. $3. 

 Contributions to Gp.ology. By Isaac Lea. $5. 

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



Same, plate alone. 50 C( nts. 



Notice to Booksellers. — All Hie publications of the Society -will bo sup- 

 plied to Booksellers at a discount of 20 percent on the prices charged to the public. 



Application to \>c made to Eowaud J. Nolan, M.D., at the Hull of the 

 Academy, corner of Nineteenth and Kace Streets. 



April, L885. 



