PUBLICATIONS OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Eight volumes of the New Series of the Jour\al and Part I of \'olume IX 

 has been issued — 1847 to 1884. The price per volume of four parts is $10, or $:i per ]».. i. i,o 

 subscribers ; and to others, $12.50 per volume, or $3.75 per part. Vol. VII conta' "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 Jour.yal, 1817 to 1842, in eight volumes, octavo, may be 

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



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

 1856, of which eight volumes were completed Dec. 31, 1S56, 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 eighteen volumes were completed Dec. 31 1888), 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, besiiles about a 

 thousand wood engravings. Published at $70. Price reduced to $42 for the set. Separate 

 volumes, $10 each. 



boo:k:s iFOia s^le. 



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

 Description 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 j)aper, with duplicate 



plates, colored and tinted, $20 ; colored edition, $13.50 ; ])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 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.e (Melanians) of the United States. By 



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

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



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

 Monograph op the Order Pholadacea and other Papers. By Geo. W. Tryon, Jn. 



Cloth, $2 ; paper, $1.75. 

 Complete Writings on Recent and Fossil Conchology of C. S. Rafinesque. Edited 



By Wm. G. Binxey 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 hundreil fine lithdgrajihic 



plates. $60. 



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

 Synopsis of 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 will be supplied to 

 Booksellers at a discount of 20 per cent on the prices charged to the jHiblic. 



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

 corner of Nineteenth and Race .Streets. 



February, i88g. 



