PUBLICATIONS OF 



THE ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Seven volumes of the New Series of the Journal, and Vol. VIII. Part III. (Quarto) have 

 been issued 1847 to 1877. The price per volume of four parts is $10, or $3 per part, to sub- 

 scribers; and to others, $12.50 per volume, or $3.75 per part. Vol. 7 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 Le dy, M.D., LL.D. 



The First Series of the Journal, 1S17 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 Society, 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, $30. 



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 ta the public, $3.75 per volume. 



The Third Series of the Proceedings, Illustrated, commencing January 1st, 1871, of 

 which nine volumes were completed Dec. 31, 1879, 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, besides about a thousand wood 

 engravings. Published at $70. Price reduced to $42 for the set. Separate volumes $10 each. 



BOOKS FOR SA.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 Unionid^e of North America. By T. A. Conrad. 60 uncolored plates, 



octavo, 1840. $8. 

 Fossils of the Tertiary Formation of the United States. By T. A. Conrad. Complete, 



with 49 plates, octavo, 1838. $5. 

 Monograph of the Terrestrial Mollusca of the United States. With Illustrations of 



all the Species. By George 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 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 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 Genus Unio. By Isaac Lea, LL.D. Fourth edition. $3. 

 Contributions to Geology. By Isaac Lea. $5. 

 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 Wm. S. Vatjx, Chairman of the Publication Com- 

 mittee, 1702 Arch Street, or to the Librarian, at the Hall of the Academy, corner 

 of Nineteenth and Race Streets. 



( London, TRUBNER & CO., 



May, 1879. 



Agents, j No. 60 Paternoster Row. 



I Salem, Mass., NATURALIST'S AGENCY. 



