PUBLICATIONS OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Nine volumes of the New Series of the Journal, and Parts 1, 2 and 3 of Volume X 

 (Quarto) have been issued— 1847 to 1896. 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 Extinct Mammalian Fauna of Dakota and Nebraska, with a Synopsis of the Mam- 

 malian 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 eight volumes octavo, may be 

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



The First Series of the Proceedings of the Academy, published in octavo, 1841 

 to 1856, of which eight volumes were completed Dec. 31, 1856, may be obtained at $24 to 

 members, and to the public, $36. 



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 public $3.75 per volume, 



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

 1871, (of which twenty-five volumes were completed Dec. 31, 1895), is published at $5 per 

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



American Journal of Con' ology, 1865—71. Seven vols., 8 vo. Containing 2,500 

 pages, illustrated by one hundred ana fifty plates, many of them colored, besides about a 

 thousand wood engravings. Published at $70. Price reduced to $40 for the set. Separate 

 volumes, $10' each. 



BOOKS ROR SALE. 



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

 Description of Shells ok North America, with 68 colored plates. By Thomas Say. 



1830-34. $10.50. 

 Monograph of the Terrestrial Mollusca of the United States. With illus- 

 trations 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 vols., with many colored plates. Fine edition, duplicate plates, $40; with col- 

 ored plates, $25 ; with plain plates, $19. 



Either the original work or the continuation furnished separately, if desired. 

 Synonyms of the Species of Strepomatidje (Melanians) of the United States. 



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

 List of American Writers on Recent Concholgy, 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 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, 

 Logan Square. 



February, i8g6. 



