PUBLICATIONS OF THE 



ACAMMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Eight volumes of the New Series of the Journal and Parts 1 ami 2 of volume IX (Quarto) 

 have been issuetl — 1847 to 1888. The jjrice 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. A^II contains "The 

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

 Remains of No,rth 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 $±0 to members, and to the public, $18. 



The FiR>4T Series of the Proceedings of the Society, published in octavo, 1811 to 

 1866, of whi(>h 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, 1880), 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 nir.eteen volumes were completed Dec. 31, 1889), is published at $5 per annum, payable 

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



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

 p.ages, illustrated by one hundred and fifty plates, many of them colored, besides about a 

 thousand wjod engvr.vings. Published at $70. Price reduced to $42 for the set. Separate 

 volumes, $1 each. 



The A'''ADE>iy has the following works for sale at the prices affixed : 

 Descru'tion of Shells of 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; i^lain 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 of the Species of Strepomatidj> (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. 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. 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 lithographic 



Plates. $60. 



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

 Synopsis of the Genus Unio. By Isaac Lea, LL. D. 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 vi'ill 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. 



Noiiember, iSgo. 



