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THE ENTOMOLOGIST. 



Edited by John T. Carrington, F. L. S. 

 An Illustrated Journal of General Entomology. 



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Transactions of the American Entomological Society. — Vols. i. to x. ; 

 the first three bound. Price, $40.00. The early volumes are scarce. 



Entomologists' Monthly Magazine. — Vols. i. to xxiii., except ii. and Hi.; up 

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Boisduval and Guenee's Species Generale, Etc. — Eight Vols., half mor., 

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BUTTERFLIES OF NORTH AMERICA. 



Part 5, Vol. iii., will be ready for delivery 1st June. 

 Contents : Melitaea Rubicunda ; Debis Portlandia ; Erebia Magda- 

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rSTORTH AMERICAN DIPTERA. 



Synopsis of the Families and Genera of North American Diptera (exclusive of 

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