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1874. Ann. Mag. Nat. Hist., (4) XIII. 



1879. 'Descriptions of New Species of Hymenoptera in the Collection of 

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1910. Annual Kept. New Jersey State Museum, [1909). The former edi- 

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1806. 'Insectorum Liguria; ....,' I. 



1838. Annales Soc. Ent. France, VII. 



1840. Annales 8c. Nat. Zool., (2) XIII. 



1851. Mem. accad. Sc. Torino, (2) XIII. 

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1919. Canadian Entomologist, LI. 

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1910. Zool. Jahrl). Abt. Syst., XXIX. 



SWENK, M. H. 



1907. Entomologcal News, XVIII. 

 1909. Entomological News, XX. 



Taschenbekg, E. 



1888. Berliner Ent. Zcitschrift, XXVIl. 

 Titus, E. G. 



1902. Canadian Entomologist, XXXIV. 



1908. Biol. Survey of Michigan. Ecology of Isle Royale, Lake Superior.' 

 (Published 1909) 



Townsend, C. H. T. 



1896. Canadian Entomologist, XXVIII. 

 Tucker, E. S. 



1909. Trans. Kansas. Acad. Sci., XXII. 

 IThler, p. R. 



1877. Bull. U. S. Geol. and Geog. Survey of the Territories, III. 

 Vachal, J. 



1909. Annales Soc. Ent. France, LXXVIII. 



ViERECK, H. L. 



1901. P^ntomological News, XII. 



1902. Trans. American Ent. Soc, XXIX, 11903]. 

 1903a. Entomological News, XIV. 



1903b. Proc. Acad. Nat. Sci., Philadelphia, LIV, 11902). 

 1904. Canadian Entomologist, XXXVI. 

 1906. Trans. American Ent. Soc, XXXII. 

 1916, [Connecticut] State Geol. . and Nat. Hist. Survey, Bull. 22. 

 ViKRECK, H. L., assisled by T. D. A. Cockerell, E. S. G. Titus, J. C. Crawforu, 

 Jr., and M. H. Swenk. 



1904. Canadian Entomologist, XXXVI. 



1905. Canadian Entomologist, XXXVII. 

 Walsh, Benj. D. 



1868. American Entomologist, I. 

 Washburn, F. L. 



1919. 17th Rept. State Entomologist of Minnesota. 



