American Journal of Science. 7 



known for his talents and accuracy in research, has promised his 

 valuable assistance. 



It is also intended to give abstracts of the most important recent 

 patents relating to Iron, accompanied with critical remarks — the 

 whole forming the most complete work on the subject that has yet 

 been published in any country — and the only one of the kind in the 

 English language* 



CONDITIONS. 



The work will be put to press as soon as there are 150 subscri- 

 bers — and but a limited edition will be published. 



It will be published in 8 parts, each part to contain 8 or more 

 very large folio plates, with the accompanying text. 



The price per part will be five dollars, payable on delivery. 



As it is desirable to put the work to press as early as possible, 

 gentlemen who may wish to subscribe, will confer a favor by trans- 

 mitting their names to the publisher without delay. 







MISS AGNES MITCHELL, 



ARTIST, 



Begs leave to give notice, that she will be happy to fur- 

 nish Illustrations for Works on Natural History. 



Miss A. M. has had much practice in making Drawings of sub- 

 jects in Botany, Conchology, &c. and holds recommendations from 

 Naturalists of high reputation in this country and in Europe. 



Miss Mitchell likewise gives Instructions in Drawing and Painting. 



Apply to Messrs. Wiley & Putnam, or at Miss Mitchell's resi- 

 dence, 104 Hicks Street, Brooklyn. 



Brooklyn, L. !, Sept. 1842. 



Prof. SILLIMAN'S ADDRESS 



BEFORE THE 



Association of American Geologists, 



delivered at their annual meeting, held at Boston, April 25, 1842, 

 has been published and is for sale in New York and London, b> 



New York, October, 1842. 



WILEY & PUTNAM. 



