PUBLICATIONS OF THE 
ACADEMY of' NATURAL SCIENCES 
OF PHILADELPHIA. 
Eight volumes of the New Series of the Journal (Quarto) have been issued— 1847 to 1881. 
The price per voluiiie of four parts is $10, or $3 per part, to subscribers; and to others, $1 ‘2.50 
|)er volume, or $.3.75 per part. Vol. VII contains “ The Extinct Mammalian Fauna of Dakota 
and NehiasKa, with a Synopsis of the Mammalian Remains of North America.” Illustrated with 
thirty plates, liy Joskpii Leidy, M. D., LL. D. 
The P’msT 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 1850, 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 of the Proceedings, Illustrated, commencing January 1, 1871 (of whi^h 
thirteen volumes were completed Dee. 31, 1883), is published at $5 per annum, payable in advance, 
to subscribers ; to others, $6.25. 
A.meric.an Journal op 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 Acade.my has the following works for sale at the prices atlixed : 
Desitudtion of Shells of North America, with 68 colored plates. By Thomas Say. 1830-34. 
MoNfKIRAill OF THE TERRESTRIAL MOLLUSCA OF THE UNITED STATES. \VJth illustrations of all the 
siiecies By Geo. W. Tryon, Jr. Fine edition, plate paper, with duplicate plates, colon d 
■ and tinted, $20; colored edition, $13.50; plain edition, $8.50. Only one hundred copies 
iiriiited, which have beiii mostly sold. ^ ^States Bv S S 
Mon ooRAFH of the Fresh Water Univalve Mollusca op the UNn-ED States Bv S. b. 
IIaidfmvn 1840-44 With Continuation to 1871. By George M . Tryon, J R. 2 vols., with 
inan'y coiored plates. Fine edition, duplicate plates, $40; with colored [ilates, $‘.o.00 ; with 
phiin plates $18. continuation furnished separately, if desired. 
Synonym^ oI T..K SiSroF Strepomatida. (Melians) of the United St.ates. By Geo. M . Tryon, 
I ist'^of AMFuiclN wXnm I-n^Iecent Conchology, with the Titles of their Memoirs and Dates 
ANI. O«»o„o.oav C. S. Ediu,l by W.i. U. 
Binney and Geo. W. Tryon, Jr. |2.50. ^ 4to, Vols. 1 to 13. With Index, 
OiiSERVATiONS ON THE Genus ^ ^ j geveral hundred fine lithographic plates. $60. 

foiio, pute. .s, 
'’'ni"lKll,,!r-AII tbc i...bll«tlon3 of tbe Society will be .uppUea to llooksellcrs 
at a discmint‘of 20 i.ei‘ J'^^cTo Emvliurj! N^LlNy^NLlV^ the Hall of the Academy, corner of 
Nineteenth and Race Streets. 
.July, 1S8.',. , , 
