PUBLICATIONS OF 



THE ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Seven volumes of the New Series of tlie Journal (Quarto) have been issued 

 1847 to 1870. The price per vohime of four parts is $10.00, or $3.00 per part, to 

 subscribers; 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 Leidy, M.D., LL.D. 



The First Series op the Journal, 1817 to 1843, in eight volumes, octavo, 

 may be obtained at $40.00 to members, and to the public, $48.00. 



The First Series op the Proceedings of the Society, published in octavo, 

 1841 to 1856, of which eight volumes were completed Dec. 31, 1856, may be ob- 

 tained at $24.00, to members; and to the public, $30.00. 



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

 which fourteen volumes were completed Dec. 31, 1870), maybe obtained at $42.00, 

 to members, or $3.00 per volume separatelj' ; and to the public, $3.75 per volume. . 



The Third Series op the Proceedings, Illustrated, comniencing Janu- 

 ary 1st, 1871, is published at $5.00 per annum, payable in advance, to members; 

 and to the pubhc, $6.25. 



American Journal op Conchologt, 1865-71. Seven vols. 8vo. Containing 

 2500 Images, illustrated by one hundred and fifty plates, many of them colored, 

 besides about a thousand wood engravings. Published at $70.00. Price reduced 

 to $42.00 for the set. Separate volumes $10.00 each. 



BOOKS FOB SALE. 



The Academy have the following works for sale at the prices afSxed : 



Description op Shells op North America, with 68 colored plates. By Thomas 

 Say, 1830-34. $10.50. 



Monograph of the Terrestrial Mollusca op the United States. With 

 Illustrations of all the Species. By George W. Tryon, Jr. Fine edition, plate 

 paper, with duplicate plates, colored and tinted, $20.00 ; colored edition, 

 $13.50; plain edition, $8.50. Only one hundred copies printed, which have 

 been mostly sold. 



Monograph op the Fresh- water Univalve Mollusca op the United States. 

 By S. S. Haldeman, 1840-44. Witii Continuation to 1871. By George W. 

 Tryon, Jr. 2 vols., with many colored plates. Fine edition, duplicate plates, 

 $40.00 ; with colored plates, $25.00; with plain plates, $18.00. 



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



Notice to Booksellers. All the Publications of the Society will be supplied 

 to Booksellers at a discount of 20 per cent, on tiie prices charged to the public. 



Application to be made to Wm. S. Vaux, Chairman of the Publication Com- 

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

 of Broad and Sansom Streets. 



f London, TRUBNER & CO., 



No. 60 Paternoster Row. 



Agents, 

 January, 1873. 



New York, WM. WOOD & CO., 



No. 61 Walker Street. 



Salem, Mass., NATURALIST'S AGENCY. 



