282 BRUES. 



Literature Cited. 



Ashmead, W. H. 



'93. A Monograph of the North American Proctotrypidte. Bull. 



U. S. Nat. Mus., No. 45, pp. 463, pis. 18. 

 '97. Descriptions of Some New Genera and Species of Canadian 

 Proctotrypoidea. Canadian Entom., vol. 29, pp. 53-56. 

 Bateson, W. 



'92. On Some Cases of Variation in Secondary Sexual Characters, 

 Statistically examined. Proc. Zool. Soc. London, 1892, p. 585. 

 Brues, C. T. 



'09. A Preliminary List of the Proctotrypoid Hymenoptera of 

 Washington. Bull. Wisconsin Nat. Hist. Soc, vol. 7, pp. 

 111-122. 

 Brindley, H. H. 



'18. Notes on Certain Parasites, Food and Capture by Birds of the 

 Common Earwig {Forficula auricular ia). Proc. Cambridge 

 Philos. Soc, vol. 19, pp. 167-177. 

 Brindley, H. H. and F. A. Potts. 



'10, The Effect of Parasitic Castration in Insects. Science, n.s. 

 vol. 32, p. 836. 

 Crawford, J. C, and J. C. Bradley. 



'11. A New Pelecinus-like Genus and Species of Platygastridse. 

 Proc Ent. Soc. Washington, vol. 13, pp. 124-125, pi. 1. 

 Dodd, A. P. 



'15. Australian Proctotrypoidea, no. 3, Trans. Roy Acad. So. 



Australia, vol. 39, pp. 384-405. 

 '16. Australian Proctotrypoidea, no. 4, ibid., vol. 40, pp. 9-32. 

 Felt, E. P. 



'18. Key to American Insect Galls. Bull. New York State Mus., 

 no. 200, 310 pp. 

 Giard, A. 



'94. Sur certains cas de dedoublement des courbes de Galton. CR. 

 Soc. Biol., 1894 and Biologic Generale, pp. 335-338. Paris, 

 1911. 

 KiefEer, J. J. 



'10. Family Belytidse. In Gen. Insect., fasc. 107, pp. 45. 

 '16. Beitrag zur Kenntnis der Platygasterinse und ihrer Lebens- 

 weise. Centralbl. f. Bakt., vol. 46, pp. 547-592. 



