PUBLICATIONS 



OF 



THE ACADEMY OF NATURAL SCIENCES 



OF 



PTTIT.ADRLPHIA. 



Eight volumes of tlie New Series of tlie Journal (Quarto) liave been issued— 1847 to 1881. 

 The price per volume of four parts is $10, or $3 per part, to subscribers ; and to others, $12.50 

 per volume, or $3.16 per part. Vol, 1 contains "The Extinct Mammalian Fauna of Dakota and 

 Nebraska, witli a Synopsis of the Mammalian Kemains of North America." Illustrated with 

 thirty plates. By Joseph Leidy, M.D., LL.D. 



The First Series of the Journal, 1811 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 , 1851 (of wliich fourteen 

 volumes were completed Dec. 31, 1810), may be obtained at $42 to members, or $3 per volume 

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



The Third Series of. the Proceedings, Illustrated, commencing January 1, 1811, of 

 which ten volumes were completed Dec. 31, 1880, is published at $5 per annum, payable in 

 advance, to subscribers ; single volfimes, $6.25. 



American Journal of Conchology, 1865-11. 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 $10. Price reduced to $42 for tlie set. Sepai-ate volumes $10 each. 



BOOKS FOR SALE. 



The Academy has the following works for sale at the |>rices affixed: — 

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



$10.50. 

 Monograph of the IJnionid^ of North America. By T. A. Conrad. 60 unoolored plates 



octavo, 1840. $8. ' > 



Fossils of the Tertiary Formation op the United States. By T. A. CSnrad. Complete, 



with 49 plates, octavo, 1838. $5. 

 Monograph op the Trrrestrial Mollusca of the United States. With Illustrations of all 



the Species. By George W. Tryon, Jr. Fine edition, plate paper, witii 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 op the United States. By S. S. Hal- 



deman, 1840-44. With Continuation to 1811. 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. 

 Synonymy of the Species of Strepomatid.<e (Melaninns) of the United States. By Geo. W. 



Tryon, Jr. Cloth, $2 ; paper, $1.15. 

 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, $1.15, 

 Monograph op the Order Pholadacea and other Papers. By Geo. W'. Tryon, Jr. Clotii, $2; 



paper, $1.15. 

 Complete Writing^ on Recent and Fossil Conchology of C. S. Rafinesque. Edited by Wm. 



G. BiNNEY and G. W. Tryon, Jr. $2.50. 

 Observations on the Genus Unio By Isaac Lea, LL.D. 4to., Yols. 1 to 13. With Index, 



Nos. 1, 2, and 3, complete. Illustrated with several hundred fine litliographic plates. $60. 

 Same Yols., 2 to 13 inclusive, except Yols. 4 and 12. Bach volume separately, $5. 

 Synopsis op Genus Unio. By Isaac Lea, LL.D. Fourth edition. $3. 

 Contributions to Geology. By Isaac Lea. $5. 

 Fossil Foot-marks. By Isaac Lea.- Large folio, text and plate. $2. 

 Same plate alone. '^O cents. 



Notice to Bo' r.SELLERS.— All the publications of the Society will be supplied to Booksellers 

 at a discount o^" 20 per cent, on the prices charged to the public. 



ApplicalMu to be made to Enw. J. Nolan, M.D., at the Hall of the Academy, corner of 

 Nineteenth and Race Streets. 



r London, . . . TRUBNt:R & CO., 

 Agents, { No. 60 Paternoster Row. 



February, 1881. [ Soi^w, Jfa.ss., NATURALIST'S AGENCY. 



