American Journal of Setence. si 
tablished reputation of Mr. Nurrauz, 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 voldmes: in ange erial octavo. The first volume of 
Micuaux’s Nortu American Sybva, containing 50 plates, is now 
ready ; the second and third volumes will be published at short in- 
tervals. The first volume of Mr. Nutracw’s Appi!Tions, (being 
the fourth volume of the entire work,) to contain 40 plates, is in 
the hands of the printer 3 and the second, (being the fifth volume 
of ve entire work,) is preparing for the press. 
price of the whole work, with the Plates finely colored, will 
be vice thirty seven dollars—ihe 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 
Those 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 we subscribers to this splendid work, will be published in 
the last volum 
Sabsarsinibnd 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, - 
Monocrapny or THE FawILy Usionip#, or Natapes or Lamarc 
(fresh-water bivalve shells,) or NortH America—illustrated by 
figures drawn on stone from nature, and finely colored. By 5 
onrap, Curator of the Academy of Natural samp of 
Philadelphia, &e. &e. &e. Of this work, Nos. 1 2 have 
een published—each number contains five finely chad Phtes : 
price per number $1.~ Also, by the same author, 
Fossits or THE Mepiat Tertiary or THE Unitep States. Of 
this work have been published No. J, containing 17 Plates, preg 
$1.50—and No. 2, coming 12 Plates, price $1—to be co 
pleted in four numbers. 
A thc or THE LimntapeEs, or Fresu-Water Univatve 
Suectis or Norra America, by S. S. Harpeman, Member off 
the oheaderny of Natural Sciences, Nos. | and 2° publistied, each} 
, ; 1 each, to be 
containing 5 most splendic 
completed i in about eight ; 
