a. 
r 
PUBLISHED QUARTERLY AT 
Terms, $6 per annum in 
advance. 
Postage paid by the Editors to all 
who take the work direct of 
them, by mail, and whose ac- 
counts are square. 
To meet the heavy charges of this 
work, prompt payments are in- 
dispensable. 
tc Postmasters can frank all 
remittances. 
Nou Hoven, Ma, wit 18 4¢ 
TO B. SILLIMAN, (Senior Editor and Proprietor,) 
For the American Journal of Science and Arts. 
GN FL S IF FY at / 3 
Dolls. 
Me 
wee 
Dr. 
