VARIATIONS IN BactTERIA CouNTS 247 
LITERATURE CITED 
MERICAN Pusiic Heatru Association. Report of the Committee on 
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Memoir 38, The Crane Flies of New York.—Part II. Biology and Phylogeny, the fifth preceding 
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Memoir 39, The Genetic Relations of Plant Colors in Maize, the fourth preceding number in this serics 
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