A NEW SERIES 
OF THE 
AMERICAN JOURNAL OF SCIENCE AND ARTS, 
Will be commenced in January, 1846, 
TO BE CONDUCTED BY 
Pror. SILLIMAN, B. SILLIMAN, Je., ano 
JAMES D. DANA. 
PROSPECTUS. 
The New Sertes will be published in Six Numsers annually, 
in the first week of January, March, May, July, September, and 
November, respectively. The subscription price will be $5 per 
annum ; and each number will contain from 140 to 150 pages. 
Tree Numpers will constitute a volume; and there will be (as 
in the old series) ‘'wo Votumes each year of nearly 450 pages 
each. ‘The work will be fully illustrated by engravings as the 
subjects may require. 
Every effort will be made to render this New Series a faithful 
record of American science for Strangers and of Foreign science for 
Americans. With this view, particular attention will be bestow- 
ed on the miscellaneous department, especially in posting up the 
progress of the most important improvements and discoveries in 
Physical Science and the connected arts. In accomplishing this 
plan, the assistance of several gentlemen eminent in different de- 
partments has been secured, each collaborator being credited, at 
his option, for his own contributions. 
The change in our plan is intended chiefly to accommodate 
authors with more frequent opportunities for publication, and the 
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