PUBLICATIONS OF THE 



ACADEMY OF NATURAL SCIENCES 



" OF PHILADELPHIA. 



Eight volumes of the New Series of the Journal and Part I of Volume IX ..trto) 

 have been issued — 1847 to 1884. The price per volume of four parts is SIO, $.3 per part, to 

 subscribers: and to others, $12.50 per volume, or $3.75 per part. Vol. VII contains "The 

 Extinct Mammalia 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 ei^ht 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 

 185fi, of whicTi eight volumes were completed Dec. 31, 185(5, may be obtained at $24 to 

 members ; and to the public, $30. 



The Second Series of the Procekdings cjinmensing January 1, 1857 (of which 

 fourteen volumes were completed Dec. 31, 1880), may be obtained at $42 to members, or S3 

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



The Third Series of the Proceedings Illustrated, commencing January 1, 1871, 

 (of which seventeen volumes were completed Dec. 31, 1887), is published at $5 per annupi, payable 

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



American Journal of Conchologv, 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. 



BOOKis :F'OI^ sale. 



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

 Descrittion of Shells of North America, with 68 colored plates. By Thomas Say'. 



1830—44. $10.50. 

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



of all the species. By Geo. AV. 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. ' 

 Monograi'ii of the Fresh Water Univalve 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 of the continuation furnished separately, if desired. 

 Synonymy op the Si'Ecies of Strepomatid^; (Melanians) of the United States. By 



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

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



and Dates of PubMcation. 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 Conchology of C. S. Rapinesque. 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 of Genus Unio. By Isaac Lea, LL. I). Fourth edition. $5. 

 Contributions to Geology. By Isaac Lea. $3. 



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 supplied to 

 Booksellers at a discount of 20 per cent, on the prices 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. 



May, 1888. 



