ENTOMOLOGICAL NEWS 



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EXOTIC LEPIDOPTERA. 



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Cat. No. 16 for 1907 (now ready) mailed free on demand. 



The only dealers' list giving authors' names throughout. 100 named speci- 

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 Catalogue, with over 300 descriptions and many interesting notes 12 cents. 



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for cash collection of Coleoptera, Diptera, Hymenoptera and Hemiptera. 

 5000 species, 25,000 specimens contained in 250 Schmitt and other boxes. All 

 in first-class condition. Determinations by best Amer. and Europ. specialists 



WM. A. NASON, ALGONQUIN, ILLINOIS. 



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A Revision of the Mouth-parts of the Corrodentia and the Mallophaga, 



by R. E. Snodgrass. n pp., i pi. (Trans. 1905) ......... 1O 



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