4 Advertising Sheet of the 
Preparing for Publication, a New Edition of the 
NORTH AMERICAN SYLVA, 
OR 
A DESCRIPTION OF THE FOREST TREES 
OF THE 
UNITED STATES, CANADA, AND NOVA SCOTIA; 
(Considered particularly with respect to their use in the Arts, and 
their introduction into Commerce ; with a Description of the most 
useful of the European Forest Tress. 
Illustrated by 156 finely colored Engravings. 
TRANSLATED FROM THE FRENCH OF F. ANDREW MICHAUX, 
Member of the American Philosophical Society, &c. &c. Ke. 
To which will be added two additional volumes, containing all th 
orest Trees discovered in the Rocky Mounrains E 
RITORY OF OrEGon, down to the shores of the Pacirrc and into 
the confines of Catirornia, as well as in various parts of the 
NITED STATES. 
Iilustrated by finely colored Plates. 
e€ 
R- 
BY THOMAS NUTTALL, F.L.S., 
Member of the American Philosophical Society, and of the Academy of Natural 
ciences of Philadelphia, &c. &c. Ke. 
In consequence of the very numerous additions by Mr, Nurratt 
to the Norra American Syzva, many more plates and descriptions 
tis quite unnecessary to say any thing in praise of Mrcwavx’s 
magnificent work on the Forest Trees of our country ; the well es- 
