PUBLICATIONS OF THE 



ACADEMY OF NATURAL SCIENCES 



OF PHILADELPHIA. 



Eight volumes of the New Series (jf the Journal iinl Part I of Volume 1^^ „o) 



have been issuerl^lSlT to 1884. The price per volume of four parts is $10, or $3 per part, to 

 subscribers; and to others, $12.50 per volume, or S3. 75 per part. Vol. VIl contains "The 

 Extinct Mammalia Fauna of Dakota and Nebraska, with a Synopsis of the Mammalian 

 Remains of North America." Illustrated with thirty plates. By Josb;i>h Leidv, 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 Dee. 31, 1856, may be obtained at $24 to 

 members ; and to the public, $30. 



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

 fourteen volumes were completed De3. 31, 1880), may be obtained at $42 to members, or $3 

 per volume separately ; and to the public, $3.75 per volume. 



The Thiiid Series OF the Procuedings, Illustrated, commencing January 1, 1871, 

 (of which sixteen volumes were completed Dec. 31 1886), is published at $5 per annum, payable 

 in advance, to subscribers : single volumes, $6.25. 



American Journal of Conchologv, 1865 — 71. Seven vols., 8vo. Containing 2500 

 pages, illustrated by one hundred anl 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. 



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

 Descuii'tion of Shells of North America, with 68 colored plates. By Thomas Say. 



1830-34. $10.50. 

 Monograph of the Terrestrial Mollusca of the United States. With illustrations 



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



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. 



Haldeman, 1840-44. With Contini'Ation to 1871. By George W. Tryon", Jr. 2 



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. 

 Synonymy OF the Species op Strepomatid^ (Melanians) of the United States. By 



Geo. W. Tryon, Jr. Cloth, $2 ; paper, $1.75. 

 List op American Writers on Recent Conchology, with the Titles of their Memoirs 



and Dates of Publication. By Geo. W. Tryon, Jr. Cloth, $2; paper, $1.75. 

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



Cloth, $2 ; paper, $1.75. 

 Comi'lete Writings on Recent and Fossil Conchology of C. S. Rafinesque. Edited 



by Wm. G. Bisney and G. W. f i!V<iN, Jr. $2.50. 

 OnsERVATioNS 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 lithograpliic 



plates. $60. 



Same, Vols. 2 to 13 inclusive, except Vols. 4 and 12. Each volume separately, $5. 

 Synopsis of 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. $2. 



Same, plate alone. 50 cents. 



NoTlCK TO BooKSKi.i.KKS — All the pulilicatlons of the Society will he supplied lo 

 Booksellers al a discount of 20 per cent, on the prices charged lo tlie public 



Application to he made to Edward J. Nolan. M. D., at the Hall of the Academy, 

 Corner of Nineteenth and Race Streets. 



November, i888. 



