36 Bulletin 1, Biological Society of Washington, 1018. 



A new genus and three new species of Phoridae from North 

 America, etc. 

 Psyche. 20, No. 1, Feb., 1913, pp. 23-26, fig. 1. 

 All from this region. 



A revision of the species in Agromyza Fallen, and Cerodontha 

 Rondani (Diptera). 

 Ann. Ent. Soc. Am. VI, No. 3, Sept., 1913, pp. 269-336, Pis. 28-31. 

 13 species of Agromyza and 1 of Cerodontha. 



A synopsis of the genera of Agromyzidae, with descriptions of 

 new genera and species. 



Proc. U. S. Nat. Mus. 46, pp. 127-154, Pis. 4-6, Dec. 6, 1913. 



1 species of Milichiella, 1 of Pholeomyia, 2 of Phyllomyza, and 1 

 of Paramyia. 



The genera of flies in the subfamily Botanobiinae with hind tibial 

 spur. 

 Proc. U. S. Nat. Mus., 46, pp. 239-266, Pis. 23-24, Dec. 6, 1913. 

 4 species of Hippelates. 



Some undescribed North American Sapromyzidae. 

 Proc. Biol. Soc. Wash. 27, pp. 29-42, Mar. 20, 1914. 



6 species, all new. 



American Black Flies or Buffalo Gnats. 



Tech. Bui. No. 26, U. S. Bur. Ent., Apr. 6, 1914, 82 pp. 6 pis. 



1 species of Prosimulium and 3 of Simulium. 



The Chironomidae or midges of Illinois, with particular reference 

 to the species occurring in the Illinois River. 



Bui. Ill, State Lab. Nat. Hist. X, Art. VI, May, 1915, pp. 274-543, 

 Pis. XVIII-XL. 



Records 40 species from the District of Columbia region, 7 of 

 them new. 



Mitchell, E. G. 



Description of 9 new species of Gnats. 



Journ. N. Y. Ent. Soc. 16, No. 1, Mar., 1908, pp. 7-14. 



7 of the 9 new species of the genus Chironomus were collected 

 near Washington. 



Osten Sacken, C. R. von. 



New genera and species of North American Tipulidae with short 

 palpi, with an attempt at a new classification of the tribe. 



Proc. Ac. Nat. Sci Philadelphia 2, Aug., 1859, pp. 197-256, Pis. 3-4. 



46 species, 42 of them new. 



