36Ui "STKii^It 



PATENTS. 



The SciEXiiFrc American is a large First-Class Weekly Newspaper of 

 Sixteen Paires, printed in the most beaiUifnl siyle. profusely iltusl rated 

 tvith splendid en graningSr representing the newest Inventions and tlie most 

 recent Aivances m the Arts and Sciences: inchiding New and Interesting 

 Facts in Ajjriculture, Horticulture, the Home. Health, Medical Progress, 

 Social iScience, Natural History, Geology. Astronomy. ïlie Miost valuable 

 practical papers, by eminent writers in .all depariments of Science, wdl be 

 found in the Scientifiic American, 



Terms, $;-).2U per year, $1.60 half year, which includes postage. Dis- 

 count to Agents. Single copies, len cents. Sold by ail NewsiJeaJer.-. Remit 

 by postal order to MUNN dj- Co., T'ublisiiers, .'57, Park Row, New York. 



In connection with the SCIENTIFIO 

 AMERICAN, MesM-s. Mun.n & Co., are 

 Solicitors of American and Foreign Patents, have bad ;!6 years experience, 

 and now have the largest e.^tablishmenl in the Avorld. Patents are olitained 

 on the best terms. A special notice is made in the Scientific American of 

 all Inventions patented through this Agency, with the name and residence 

 of the Patentee. By the immense circulation thus given, public attention 

 is directed to the merits of the new patent, aud ë&\es or introduction often 

 easily etiected. " , 



Any person who has m^de a new discovery or invention, can ascertain, 

 free of charge, whether a patent can probîibly be obtained, by writing to 

 Minn & Co. We also send J^'/ve our Hand Book al>out the Patent Laws, 

 Patents, Caveats, Trade Marks, iheir costs, and how procured, with hints 

 tor procuring advance or inventions. Address fur liie i'aper, or concerning 

 Patents. 



]\XUJX]V Sc Co., 



.•{7, Park Row, New York. 

 Branch Olflce, cor. F & 7th St«., Washington, D. C. 



The Vallay Naiuralist. 



end 1.5 cents fur Specimen ^ 

 Copv. H. Skak-' , Publisjier \ 

 Room .H4, N. W. cor. Third 



& Pine Streets, bt. Louis, Mu. 



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