Entomological News 



published monthly, excepting July and August, in charge of the Entomol 



Section of the Academy of Natural Sciences, Philadelphia, and the A me 

 Entomological Society. 



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BOGOTA LEPIDOPTERA - 



Also Morphos and Caligos. In lots of 100 or 1000. Particulars and prices 

 on application. F. COB MACK, 



24 State St., New Tork, N. Y. 



Rare Coleoptera. 



ABOUT 6000 SPECIES ON SALE. 



The undersigned is breaking up his collection of American beetles and 

 invites intending purchasers to apply for lists of any family desired. 



H. J=. *ji£ICK:HH7V\:, 



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POPULAR SCIENCE 



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Formerly BOSTON JOURNAL OF CHEMISTRY 



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