PUBLICATIONS 



OP 



THE ACADEMY OF NATURAL SCIENCES 



OF 



PHILADELPHIA. 



Seven volumes of the New Series of the Journal (Quarto), and Vol VIII., Part I., have been ' 

 issued_184t to 18^4. 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 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 1856, of 

 which eight volumes were completed Dec. 31, 1856, may 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, $3.75 per volume. 



The Third Series op the Proceedings, Illustrated, commencing January 1st, 1871, is pub- 

 lished 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, illus- 

 trated by one hundred and fifty plates, many of them colored, besides about a thousand wood engrav- 

 ings. Published at $70. Price reduced to $42 for the set. Separate volumes $10 each. 



BOOKS FOU SALE. 



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

 Description of Shells of North America, with 68 colored plates. By Thomas Say: 1830-84. 



$10 50. 



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. On/y one hundred copies printed, 

 which have been mostly sold. 



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

 MAN- 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 Broad and Sansom Streets. 



i London, TRUBNER & CO., 

 No. 60 Paternoster Row. 

 Neio York, WM. WOOD & CO., 

 No. 61 Walker Street. 

 Salem, Mass., NATURALIST'S AGENCY. 



