PUBLICATIONS OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



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

 (Quarto) have been issued — 1847 to 1896. The price per volume of four parts is .SIO, or .§3 

 per ]iart to subscribers, and to others SI 2.50 per volume, or S3. 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 Leidt, 

 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, S48. 



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, .S36. 



The Second Series of the Proceedings, commencing January 1, 1857 (of which 

 fourteen volumes were completed Dec. 31, 1870), may be obtained at .S42 to members, or .SB 

 per volume separately, and to the public S3. 75 per volume. 



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

 which twenty-five volumes were completed Dee. 31, 1895), is published at $5 per annum to 

 subscribers, jjayable in advance: single volumes, S6.25. 



American Journal of Concholoby, 1865-71. 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 S70. Price reduced to $40 for the set. Separate 

 volumes, SIO each. 



BOOKS ROR SALE. 



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

 Description of Shells of North America, with 68 colored plates. By Thojiias Sat. 



18.30-34. S10.50. 

 Monograph of the Terrestrial Mollcsca 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, S20 ; colored edition, S13.50 : 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, S40 ; with colored plates, 



$25 : with plain plates, .S19. 



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

 Synonyms of the Species of Strepomatid* (Melanians) of the United States. By Geo. 



W. Tryon, Jr. Cloth, S2 : 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, S2: paper, .SI. 75. 

 Monograph of thf Order Pholadacea and other Papers. By Geo. W. Tryon, Jr. Cloth, 



$2: paper, SI. 75. 

 Complete Writing 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 tol3. 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 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. 



May, 1896. 



