PUBLICATIONS OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Ten volumes and Volume XI, part 1, of the New Series of the Journal (Quarto) 

 have been issued — 1847 to 1897. 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 Lbidy, M. D., LL.D. 



The First Series of the Journal, 1817 to 1812, in eight volumes octavo, may be 

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



The First Series op 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 op 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-six volumes were completed Dec. 31, 1896), is published ai $5 per annum to 

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



American Journal of Conchology, 1865-71. Seven vols., 8vo. 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, $6 each. 



BOOKS FOR SALE. 



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



Structural and Systematic Conchology: An Introduction to the Study of the Moll usca. 

 By Geo. W. Tryon, Jr. 1200 pages, 140 plates, describing and illustrating the recent 

 and fossil genera. A conchological text-book. Cloth, $6.00. 



Manual of Conchology. By Geo. W. Tryon, Jr., continued by Henry A. Pilsbry. A 

 complete, fully illustrated monography of recent mollusks. Series I, Cephalopoda, 

 Scaphopoda, Amphineura and Marine Gastropoda ; 17 volumes (finished). Series II, 

 Terrestrial Mollusks, 11 volumes published. Series III, Marine Bivalves, to be com- 

 menced in 1898. Plain edition, per part, $3.00, per volume, $12.00; colored edition, 

 per part, $5.00, per volume, '$20. 00 ; tine edition, heavy plate paper, plates in dupli- 

 cate, colored and India tinted, per part, $8.00, per volume, $32.00. 



Description of Shells of North America, with 6S colored plates. By Thomas Say. 

 1830-34. $10.50. 



Monograph of the Terrestrial Mollosca 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. 



Monograph of the Fresh-Water Univalve Mollusca of the United States. By S. S. 

 Haldeman, 1840-44, continuation to 1871. By Geo. W. Tryon, Jr. Many colored 

 plates. Prices for the continuation : fine edition duplicate plates, $14.00 ; with col- 

 ored plates, $8.00 ; with plain plates, $6.00. 



Synonymy op the Species of Strepomatid,e (Melanians) of the United States. By Geo. 

 W. Tryon, Jr. Cloth, $1 ; paper, $0.50. 



List of American Writers on Recent Conchology, with the Titles of the Memoirs and Dates 

 of Publication. By Geo. W. Tryon, Jr. Cloth, $1 ; paper, $0.50. 



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

 $1 ; paper, $0.50. 



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

 Wm. G. Binney and G. W. Tryon, Jr. $1.00. 



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. 



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 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. 



February, 1898. 



