PUBLICATIONS OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Ten volume? and Volume XI. part 1. of the New Series of tbe Journal (Quarto) 

 have been issued — 1847 to 1 S it 7 . 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 Mammalian 

 Remains of North America." Illustrated with thirty plates. By Joseph Leidy, M. D., LL.D. 



The First Series of the Journal, IS17 to 1S42, 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 mem- 

 bers, 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 $.">.75 per volume. 



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

 which twenty-six volumes were completed Dec. 31, 1896), is published at $5 per annum to 

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



American Journal of Conchologv. lStio-71. Seven vols., 8 vo. Containing 2,500 

 pages, illustrated by one hundred and 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 FOR SALE. 



The Academy has the following works for sale at tbe 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 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 colored plates, 



$25: with plain plates, $19. 



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

 Synonyms of the Species of Strepomatid.b (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 the Memoirs and Dates 



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

 Monograph of the Order Pholadacea and other Papers. By Geq. W. Tryon, Jr. Cloth, 



$2; paper, si. 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--AU the publications of the Academy will be supplied to Book- 

 sellers 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. 



October, 1897. 



