PUBLICATIONS OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Eight volumesof the New Scries of the Journal and Parts 1, 2 and 3 of volume IX (Quarto) 

 have been issued — 1847 to 1892. The price per volume of four parts is $10, or $3 per part to 

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

 B.xtinct 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 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 Academy, published in octavo, 1841 to 

 1856, of which eight volumes were completed Dec. 31, 1850, 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 jniblic, $3.75 per volume. 



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

 (of which twenty-two volumes were completed Dec. 31, 1S92), is jniblished 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 affixed : 

 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 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 of the Fresh Water Univalve Mollusca of the United States. By S. S. 



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



vol.*., 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 op the Species op Strepomatid^ (Melanians) of 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. AV. 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 A¥ritings on Recent and Fossil Conchology 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. AVith 



Index, Nos. 1, 2 and 3, complete. Illustrated with several hundred line lithographic 



Plates. $60. 



Same, A^ols. 2 to 13 inclusive, except Vols. 4 and 12. Each vcVune separately, $5. 

 Synopsis op the Genus Unio. By Isaac Lea, LL. D. Fourth edition. $5, 

 CoNTRinuTioNS 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 ihe publications of the Society vvill 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, 

 Logan Square. 



Febr^iary, i8gj. 



