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Classilication of the Coleoptera of North America, by Drs. LeConte 

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List of the Coleoptera of America, North of Mexico, by Samuel Hen- 

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First and Second Supplements to the same ...... 



Second Supplement to the same, 1889 



Monograph of the Sphingidtc of America North of Mexico, by John 

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Synopsis o! the Families and Genera of the Hymenoptera of America 

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Synopsis of the Halticini of Boreal America, by G. H. Horn, M. D., 

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