American Journal of Science. 5 
tablished reputation of Mr. Nurrau, the editor of the additional 
part of the work, is a sufficient guaranty for its accuracy and the 
style of its execution. The Plates, which will amount to considera- 
bly more than 200, will be finely and carefully colored. It will be} 
published in five volumes, in imperial octavo. The first volume of 
Micnavx’s Nort American Sytva, containing 50 plates, is now 
ready ; the second and third volumes will be published at short in- 
tervals. The first volume of Mr. Nurraxu’s Appitions, (being 
the fourth volume of the entire work,) to contain 40 plates, is in 
the hands of the printer; and the second, (being the fifth volume 
jof the entire work,) is preparing for the press. 
he price of the whole work, with the Plates finely colored, will 
be about thirty seven dollars—the first and second volumes, eight 
dollars each ; and the third, fourth, and fifth, 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 additional volume separately, and thus complete 
their copies. Price with colored Plates, seven dollars ; with Plates 
uncolored, five dollars. ‘They are requested to transmit their names 
as early as possible. : 
A list of the subscribers to this splendid work, will be published in 
the last volume. 
Subscriptions received by the Publisher, or at the office of the 
American Journal of Science and Arts, New Haven, Ct. 
J. DOBSON, No. 106, Chestnut Street, Philadelphia. 
J. DOBSON has also in course of Publication, 
|Monocrapuy or THE FamtLy Ustonip2, or Natapes or Lamarck, 
(fresh-water bivalve shells,) of Norra America—illustrated b: 
figures drawn on stone from nature, and finely colored. By T. 
Fossizs or rue Meprat Tertiary or THE Unitep States. O 
this work have been published No. |, containing 17 Plates, price 
$1.50—and No. 2, containing 12 Plates, price $1—to be com- 
pleted in four numbers. 
A Monocrapn or THE Limniapes, or Fresu-Water Univatve 
Suetis or Norru America, by S. S. Harpemay, Member of 
the Academy of Natural Sciences. Nos. | and 2 published, each 
containing 5 most splendid colored Plates, price $1 each, to be 
completed in about eight numbers. 
