PUBLICATIONS OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Eight volumes of the New Series of the Journal, Parts 1, 2 and 3 of Volume IX 

 and Part 1 of Volume X (Quarto) have been issued— 1817 to 1894. The price per volume of 

 four parts is $10, or 33 per part to subscribers, and to others $12.50 per volume, or 33.75 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 FirstSeries of the Journal. 1817 to 1842, in eight volumes octavo, may be 

 obtained at 340 to members, and to the public $18. 



The First Series of the Proceedings of the Academy, published in octavo, 1841 

 to 1856, of which eight volumes were completed Dec. 31, 1850, may be obtained at 324 to 

 members, and to the public, 330. 



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

 fourteen volumes were completed Dec. 31, 1870), may be obtained at 342 to members, or 33 

 per volume separately ; and to the public 33.75 per volume, 



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

 1871, (of which twenty-three volumes were completed Dec. 31, 1893), is published at $5 per 

 annum, payable in advance, to subscribers ; single volumes, 30.25. 



American Journal of Conchology, 1805—71. Seven vols., 8 vo. Containing 2500 

 pages, illustrated by one hundred and fifty plates, many of them colored, besides about a 

 thousand wood engravings. Published at 370. Price reduced to 310 for the set. Separate 

 volumes, 310 each. 



BOOKS ROR SALE. 



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

 Description of Shells of North America, with 08 colored plates. By Thomas Say. 



1830-34. $10.50. 

 Monograph of the Terrestrial Mollusca of the United States. With illus- 

 trations of all the species. By Geo. W. Tryon, Jr. Fine edition, plate paper, with 



duplicate plates, colored and tinted, 320 : colored edition, 313.50 ; 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, 1810-44. With Continuation to 1871. By Geo. W. Tryon, Jr. 



2 vols., with many colored plates. Fine edition, duplicate plates, $40; with col- 

 ored plates, 325 : with plain plates, 319. 



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

 Synonyms of the Species of Strepomatid.e (Melanians) of the United States. 



By Geo. W. Tryon, Jr. Cloth. 32 ; paper, $1.75. 

 List of American Writers on Recent CoNCHOLGY.with the Titles of their Memoirs 



and Dates of Publication. By Geo. W. TRYon, Jr. Cloth, $2 ; paper, 31.75. 

 Monograph of the Order Pholadacea and other Papers. By Geo. W. Try'on. Jr. 



Cloth, 32; paper si./ 5. 

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



Edited by Wm. G. Blnney 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. 300. 



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. 33. 

 Fossil Foot-Marks. By Isaac Lea. Large folio, text and plate. 32. 



Same, plate alone. 50 cents. 



Notice to Booksellers--A11 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 Edward J. Nolan, M. D,, at the Hall of the Academy, 

 Logan Square. 



April, 1894. 



