3 
SOPWITH’S GEOLOGICAL MODELS. 
James Munroe & Oo., Washington St., Boston, have for sale 
one set of Sopwith’s Geotocica, Mopets, largest size. These 
models are admirably adapted for lectures on geology, min- 
Ing, &c. 
March, 1848. [tf] 
BRITISH SHELLS. 
Convincep of the importance for the identification of the Na- 
tive Species, of possessing carefully named rudimentary Collec- 
tions of BRITISH SHELLS, R. Damon, of Weymouth, has 
been induced to devote his attention more particularly to that 
branch of Conchology, and favored by the prolific nature of the 
Dorsetshire and neighboring coasts, is enabled to offer arranged 
collections at the following very moderate prices :— 
100 Species, (containing 1 to 3 of each Species,) £2 12 6 
200 do do 6 60 
300 do. do. 12 12 0 
400 do. do. 
R. DAMON has unusual opportunities for procuring many of 
the rare British Shells, and has always on hand an exteusive 
collection of British Fossils. 
November, 1847. [3tp] 
CHEMICALS AND CHEMICAL APPARATUS. 
The subscriber is constantly receiving from Europe, fresh sup- 
plies of the Berlin Apparatus and French Chemicals, and having 
established an extensive Manufactory on his premises, is now 
prepared to execute orders for all kinds of Chemical and Philo- 
sophical Apparatus, at short. notice. 
The proprietor being the sole and only authorized agent for 
Prof. Morse, is enabled to furnish the latest and most improved 
forms of Apparatus for the Electro-Magnetic Telegraph, together 
with the Acids, Zines, Paper, &c. &c. 
Also, A Description of the Electro-Magnetic Telegraph. By 
Aurrep Vai, Assist. Sup. of U. S. Telegraph. ; 
A Descriptive Catalogue of Chemical Apparatus, Chemical and 
pure Re-agents, illustrated by one hundred and eighty-five wood 
_ engravings, is now ready for delivery, and will be sent “ gratis” 
to all who make application, “ post paid,” to 
WARD N. KENT, Practical Chemist. 
No. 116, John street, New York. [tf] 
