Entomological News 



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

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Coleoptera of North America For Sale. 



Many rare species. L,arge orders filled at very low prices. Will purchase 

 any DYTISCID/E not in my collection. 



JOHN I). SHKRMAN, Jr., 

 P. O. Box 1534, NEW YOKK CITY. 



I PPI nflPTFRIQTQ l have reat "Ambers of N American 

 I L- J VI O 1 O. and E xot i c Lepidoptera which I offer for 



sale by single example or in lots, at low prices. Also will exchange for good 

 N. American species, Bombycidee, Noctuidae, etc. All offered are correctly 

 named and exact locality given. I also will identify carefully and promptly 

 for anyone desiring it, any species of N. American or Foreign butterflies or 

 moths. Correspondence cordially invited from the beginner as well as the 

 advanced student Specimens neatly and properly spread at reasonable rates. 



HERMAN STRECKER, Box 311, Reading P. 0., Pennsylvania. 



Popular Science 



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Formerly BOSTON JOURNAL OF CHEMISTRY 



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