10 Advertising Sheet of the 
Geological Map of Nova Scotia. 
Messrs. LITTLE & BROWN bave recently published a new 
Map of the Peninsula of Nova Scotia, intended as a Topographical] 
Guide for travellers, and to illustrate its geological structure, con- 
structed according to the observations and discoveries of Messrs. 
Jackson and Alger, and conforming topographically to the most re- 
cent surveys, ‘The map is done up in pocket form, and is accom- 
panied with directions as to the routes, &c. Price 624 cts. 
AUTOBIOGRAPHY, 
Reminiscences, and Letters, of John Trumbull, from 1756 to 1841. 
New York and London: Witey & Purnam. New Haven: 
B. L. Hamten, 1841. 
This volume of 450 pages, on a beautiful paper with a large 
type, is illustrated by a frontispiece portrait of the author, drawn 
by his own hands, and by more than twenty other prints of 
scenery, costume, portraits, military plans, &c. 
This work is for sale by Witrey & Putnam, New York, and by 
B. L. Hamien, New Haven, and by their agents.—Price $3, in 
cloth covers. 
ASSOCIATION OF AMERICAN GEOLOGISTS. 
Pror. Eowarp Hircucock’s Appress before this Association 
at their second meeting in Philadelphia, in April last, has been pub- 
lished by the subscriber in an Svo. pamphlet of fifty pages, on fine 
paper, in accordance with the resolution of the meeting. 
mbers of the Association and others who wish this address, 
a 
small edition of the Address, with the proceedings of the Associa- 
tion at their two meetings, (viz. in Philadelphia, April, 1840, and 
April, 1841,) as they are published by the Secretaries in the Amer- 
ican Journal of Science, with a list of the members of the Associa- 
tion: these two under one cover. 
: Prof. Hitcheock’s address will be sold to members at one dollar 
for six copies; to non-members ‘at one dollar for four copies, oF 
25 cents each. It is expected that the money will accompany the 
orders. The Address and Proceedings, under one cover, will be 
sold at one dollar for three copies, or singly, at fifiy cents each. 
Either of the above may be ordered through any of the book- 
sellers who act.as avents for the American Journal of Science. ; 
B. Sittimay, Jr, One of the Assistant Secretarves. 
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