PUBLICATIONS OF 
The Academy of Natural Sciences 
of Philadelphia 
ixteen volumes of the New Series of the JouRNAL (Quarto) have been issued—1847 to 1918. The pm 
per ine of four parts is $10, or $3 per part to subscribers, and to others $12.50 per volume, or $3.75 
part. Vol. VII contains “The Extinct Mammalian Fauna of Dakota and Nebraska, with a Synopsis of ie 
Mammalian Remains of North America." Illustrated with thirty plates. By Јоѕерн Lewy, M.D., LL.D 
Volume XV, New Series, has been published complete, in борбо нын of the Centenary of the Academy, 
on specially prepared paper, 756 pages and 59 plates, 6 of which are colored. 
e 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 es RIES OF THE PROCEEDINGS of the Academy, octavo, 1841 to 1856, of sre eight volumes 
were rese weis s 1856, may be obtained at $24 to members, and to the publie 
р SERIES.OF THE PROCEEDINGS, commencing January 1, 1857 (of which бане x voler were 
а БЭ АБС E 19а, may be obtained at $42 to members, ог $3 per volume separately, and to the 
publie $3.75 per volum 
The THIRD е оғ THE PROCEEDINGS, illustrated, commencing January 1, 1871 (of which forty-seven 
volumes are now completed); i is published at $5 per annum to subscribers, payable in advance; single vo 
$6.25. 
An INDEX то THE SCIENTIFIC CONTENTS OF THE JOURNAL and PROCEEDINGS of the Academy, 1817- 
1910, кы? pages, octavo, carriage prepaid, $3. 
CAN JOURNAL or CONCHOLOGY, 1865-7 1. Seven vols., 8vo. Containing 2500 pages, illnstrated 
by 150 из, many of them colored, besides about 1000 wood engravings. Published at $70. Price reduced | 
to $40 for the set. Specs volumes of surplus (Vols. IV to VII only), $1 each. 
BOOKS FOR SALE- 
The AcapEMY has the following works for sale at the prices affixed: 
MANUAL or Сохсноговү. By GEO. W..Trron, JR., continued Њу Henry A. PILSBRY. ` A- complete, fully il- - 
lustrated monograph of recent mollusks. Series I, Сер Marine 
Gastropoda; 17 volumes (finished). Series П, Terrestrial Mollusks, 23 volumes : Б 
per part, $3; per obse $12. Colored edition , per part, $5; per volume, $20. Fin e edition, heavy plate 
paper, plates in duplieate, colored and India atea per part, $8; per volume, $32. B 
DESCRIPTION OF SHELLS or NORTH AMERICA, with 68 colored plates. By Tuowas Say. 1830-34. $10.50. 
MONOGRAPH OF THE TERRESTRIAL MOLLUSCA oF THE UwrrED STATES. With illustration of all the species. 
y Guo. W. аху, Jr. Plain edition, $8.50. 
MONOGRAPH or THE FRESH-W ATER UNIVALVE MOLLUSCA OF THE UxrTED SrATES (in continuation of Prof. S. _ 
S. Haldeman’s ed 1871. By Gro. W. Tryon, Ja. Many colored plates. Prices: Fine edition, - 
duplicate plates, $14; with colored ‘lated: $8; with plain plates, 
rode OF THE SPECIES OF StREPOMATID# (Melanians) OF THE Uneven Srates. By Gro. ү. Teron, дт 
oth, $1; paper; 50 cents s 
Lisr ОР Чык ыы WRITERS ON acutis CONCHOLOGY, Titles of their Memoirs and Dates of е 
: By Gro. W. Tryon, Jr. Cloth, $1; paper, 
MONOGRAPH OF THE ORDER Puorapics aad: other Papers. ^H Gro. W. Tryon, Ja. сан $1; paper, 50 
CoMPLETE WRITINGS ON К Host AND Foss Сохснотовт ОЕ = S. ni UK. Edited by Wu. G. Bruser : 
and G 
i ко. W. TRYON, Ju. $l. 
Orense x THE GENUS Unto. By UE LEA, LL р. 4to. - Vols. 1 to 13. With Index, Noa: 17 се 
à : ` Several hundred fine lithographic инә tes, $60. - Same, Vols. 2 to 13, жолы, except Vol. 4. 
Each veniet separately, $5. - | 
Synopsis or THE GENUS Unto. By ee Lea, LL.D. Fourth edition. $5. 
‘CONTRIBUTIONS TO Свогосу. By Isaac 
п, Foor-M By Isaac Lea. Large 8 text and plate. $2. Plate alone, 50 cents. 
CATALOGUE or Types or CRETACEOUS INVERTEBRATE FOSSILS IN THE COLLECTION OF THE ACADEMY. By. 
C. W. JOHNSON. Paper, 50 cents. 
Norica TO BooxsELLERS—AlIl the pegan z the Academy will be Pa to booksellers at a dis- 
: count of 20 per cent. on the prices charged to 
y to Epwarp J. Noran, M. e at "e Hall of the Academy, Togia Square. 
Apply 
September, 4 1918. 
= 
. 
E 
