PUBLICATIONS 



OP 



THE ACADEMY OF NATURAL SCIENCES 



OP 



PHILADELPHIA. 



Seven volumes of the New Series of the Journal (Quarto^, and Yol. YIII., Parts I. and II., 

 have been issued — 184T to 18T6. The price per volume of four parts is $10, or $3 per part, to sub- 

 scribers ; and to others, $12.50 per volume, or $3.15 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 First Series of the Journal, 1817 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 185G, of 

 which eight volumes were completed Dec. 31, 1856, maj-^ 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 to the public, $8.75 per volume. 



The Third Series op the Proceedings, Illustrated, comnaencing January 1st, 1871, is 

 published at $5 per annum, payable in advance, to members; and to the public, $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 SALE. 



The Academy have the following works for sale at the prices aflSxed: — 

 Description of Shells of North America, with 68 colored jjlates. By Thomas Say: 1830-34. 



$10.50. 

 Monograph of the TJnionid^ of North America. By T. A. Conrad. Sixty uncolored plates, 



octavo, 1840, $8. 

 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. IIal- 

 deman: 1840-44. With Continuation to 1871. By George W. Tryon, Jr. Two 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. 



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. Vaux, Chairman of the Publication Committee, 1702 Arch 

 Street, or to the Librarian, at the Hall of the Academy, corner of Nineteenth and Race Streets. 



i London, TRUBNER & CO. 

 New York, . . Messrs. B. WESTERMANN & CO., 

 524 Broadwa3^ 

 Salem, Mass., NATURALIST'S AGENCY. 



