ADVERTISEMENTS. ai 
DX D 
og are 
STEEL ROOFING AND GORRUGATING 60, 
Steel Roofing. Iron Roofing 
Corrugated Iron Roofing and Sidings 
V.Crimped & Weather Board Siding 
Conductor Pipe and Guttering 
Galvanized Iron Cornice Works 
ZN 
Continuous Ready Rolled Tin Roofing 
506, 508 and 510 Cherry Street, 
mm Camden, N. d 
Write for Prices, Samples, Catalogues, &c. 
AGENTS WANTED. 
Mention American Naturalist. 
