PUBLICATIONS OF 



The Academy of Natural Sciences 



OF PHILADELPHIA 



Sixteen volumes of the New Series of the Journal (Quarto) have been issued — 1847 to 1918. 

 The price per volume of four parts is S10. 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." By Joseph Leidy, 

 M.D., LL.D. Illustrated with thirty plates. 



Volume XV, New Series, has been published complete, in commemoration of the Centenary 

 of the Academy, on specially prepared paper, 756 pages and 59 plates, 6 of which are colored. 



The First Series of the Journal, 1817 to 1842, in eight volumes octavo, may be obtained 

 with complete sets only, except certain volumes of surplus. 



The First Series of the Proceedings of the Academy, octavo, 1841 to 1856, of which eight 

 volumes were completed December 31, 1856, may be obtained with complete sets only. 



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

 volumes were completed December 31, 1870), may be obtained at $42 to members, or $3 per 

 volume separately, and to the public $.5.75 per volume. 



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

 fifty-two volumes are now completed), is published at 55 per annum to subscribers, payable 

 in advance; single volumes S6.25. 



An Index to the Scientific Contents of the Journal and Proceedings of the Academy 

 1817-1010. 1433 pages, octavo, carriage prepaid, J3.50. 



American Journal of Conchology, 1865-71. Seven vols., 8vo. Containing 2500 pages 

 illustrated by 150 plates, many of thein colored, besides about 1000 wood engravings. Published 

 at $70. Price reduced to $40 for the set. Separate volumes of surplus (Vols. IV to VII only) 

 $1 each. 



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

 Manual ok Conchology. By Geo. W. Tryon, Jr.. continued by Henry A. Pilsbry. A com- 

 plete, fully illustrated monograph ol recent mollusks. Series I, Cephalopoda, Scaphopoda, 



Amphineura and Marine Gastropoda, n volume" (finished). Series II, Terrestrial Molluska, 



26 volumes published. Plain edition, per part, $3, per volume, J12. Colored edition, per 



part. $5; per volume, S20. Fine edition, heavy plate paper, plates in duplicate, colored and 



India tinted, per part, $8; per volume, $32. 

 Monograph of the Terrestrial Moi.lusca of the United States. With illustrations of il 



the species. By Geo. W. Tryon, Jr. Plain edition, $8.50. 

 Monograph of the Fresh-Water U Mi valve 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; with colored plates, $8; 



with plain plates, $6. 

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



Tryon, Jr. Cloth, $1; paper, 50 cents. 

 I.jst of American Writers on Recent Conchology, with the Titles of the Memoirs and Dates 



of Publication. By Geo. W. Tryon, Jr. Cloth, $1; paper, 50 cents. 

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



$1; paper, 50 cents. 

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



Wm. G. Binney and Geo. W. Tryon, Jr. $1. 

 Observations on the Genus Unio. By Isaac Lea, LL.D. 4to. ,Vols. 1 to 13. With Index. 

 Nos. 1, 2 and 3, complete. Several hundred fine lithographic plates, $60. Same, Vols. 2 to 

 13, inclusive, except Vol. 4 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. 82. Plate alone, 50 cents. 

 Catalogue of Types of Cretaceous Invertebrate Fossils in the Collection of the Acad- 

 emy. By C W. Johnson. Paper, 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 pubiic. 



Apply to William J. Fox, Editor, Academy of Natural Sciences of Philadelphia. Phila., Pa. 

 January, 1923. 



