38 Bulletin 1, Biological Society of Washington, 1918. 



Contributions to the Dipterology of North America II, Tabanidae, 

 Conopidae, Tachinidae, etc. 

 Trans. Am. Ent. Soc. 22, pp. 55-80, Mar., 1895. 

 8 species, 1 new. 



Notes on some interesting flies from the vicinity of Washington. 

 Proc. Ent. Soc. Wash., Vol. I, Nov. 4, Dec, 1888-Dec, 1889 (1890), 

 pp. 254-255. 

 6 species, 1 undetermined. 



HYMENOPTEBA. 



Ashmead, Wm. H. 



Descriptions of new Braconidae in the collection of the U. S. 

 National Museum. 



Proc. U. S. Nat. Mus., 1888, pp. 611-671, Sept. 25, 1889. 



19 species, 18 new. 



Descriptions of new Ichneumonidae in the collection of the U. S. 

 National Museum. 

 Proc. U. S. Nat. Mus. XII, pp. 387-451, Apr. 21, 1890. 

 13 species, all new. 



A monograph of the North American Proctotrypidae. 

 Bui. 45, U. S. Nat. Mus., 1893, 472 pp., 18 pis. 

 194 species, 177 new. 



Descriptions of new parasitic hymenoptera. 

 Trans. Am. Ent. Soc. 23, pp. 179-234, June, 1896. 

 33 species, 31 new. 



Banks, Nathan. 

 Sleeping habits of certain hymenoptera. 

 Journ. N. Y. Ent. Soc. 10, No. 4, Dec, 1902, pp. 209-214. 

 Notes on 6 species at Falls Church, Va. 



Psammocharidae: Classification and Descriptions. 

 Journ. N. Y. Ent. Soc. 19, No. 4, Dec, 1911, pp. 219-237. 

 Includes 5 new species from region of District of Columbia. 



New species of Psammocharidae. 



Journ. N. Y. Ent. Soc. 22, No. 4, Dec, 1914, pp. 300-306. 



4 new species from District of Columbia region. 



Bradley, J. C. 

 The Evaniidae, ensign-flies, an archaic family of hymenoptera. 

 Trans. Am. Ent. Soc. 34, pp. 101-194, Pis. V-XV, Apr.-June, 1908. 

 Notes on Evaniidae (Hym.). 

 Zeitschr. f. Hym. Dipt., 1905, pp. 26-27. 

 Together these record 3 species, 2 new, from District of Columbia. 



