8 Advertising Sheet of the 
most splendid works ever published in America. It will be pub- 
lished in six volumes, in imperial octavo. The first volume is now 
ready, and the succeeding volumes will be published at short inter- 
vals, so that the whole shall be completed at an early period 
The price of the whole work, with the Plates finely colored, will] 
be Forty Four Dollars—the first and second volumes, Eight Dollars} 
each ; and the third, fourth, fifth, and sixth, Seven Dollars each; 
payable on delivery of each volume. With the Plates uncolored, 
the price will be Five Dollars per volume. 
hose persons who possess the former edition of Michaux’s work, 
can procure the three additional volumes separately, and thus com- 
plete their copies. Price with colored Plates, Seven Dollars each 3} 
with Plates uncolored, Five Dollars each. They are requested to 
transmit their names as early as possible. 
Subscriptions received by the Publisher. 
J. DOBSON, No. 106, Chestnut Street, Philadelphia. — 
J. DOBSON has also in course of Publication, 4 
Monoerapuy or THE Framity Unronipa, or Natapes or LAMARCK; 
(fresh-water bivalve shells,) or NortH America—illustrated by 
figures drawn on stone from nature, and finely colored. By T. 
- Conrap, Curator of the Academy of Natural Sciences of] 
Philadelphia, &c. &c. &c. Of this work, Nos. 1 to 12 have 
been published—each number contains five finely colored Plates; 
price per number $1. Also, by the same author, | 
Fosstis or tHe Meprar TeRTIARY.oF THE UntTeD STATES. Of 
this work have been published No. 1, containing 17 Plates, price 
$1.50—and No. 2, containing 12 Plates, price $1—to be com- 
pleted in four numbers. : 
A Monocrarn or THE Limniapes, or Fresu-Water Untvave 
tus oF Nortu America, by S. S. Hatpeman, Member 
the Academy of Natural Sciences. Nos. 1, 2, and 3, are publisb- 
ed, each containing 5 most splendid colored Plates, price $1 each, 
_ to be completed in about eight numbers. : | 
Norru American Herrerouoey, or a description of the Reptiles 
ge the United States. By Joun Ep Pegi 
wit 
HG tre rime feet 
" Urder: fog all classes of Awentcan 
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