22 CATALOGUE OF NORTH AMERICAN DIPTERA. 



No new species ; these tables are printed also in Circular No. 40, Division 

 of Entomology, and with slight changes in a second edition of the same, 

 and in Howard's book " Mosquitoes." 

 Diptera of the Harriman Alaska Expedition. Proceedings of the Washing- 

 ton Academy of Sciences, 11, 389-464; Dec. 7, 1900. 



One new genus, 63 new species; 276 species listed in all. 

 A New Genus of Ortalidas. Entomological News, xii, 14; Jan., 1901. 



Zacompsia fulva. 

 Three New Species of Diptera. Entomological News, xii, 16-18; Jan., 1901. 



Chironomus halteralis, Helicobia qtiadrisetosa, DrosopJiila buskii. 

 Diptera of the Hudsonian Zone, New Mexico. Psyche, ix, 149. 150; Jan., 

 1901. 

 Limnophila costata and Rhypholophus cockerellii new; 21 other species. 



The Ant-Decapitating Fly. Proceedings of the Entomological Society of 

 Washington, iv, 501; July 2, 1901. 



Apocepliahis pergandci n. gen. and sp. ; the biological part of the article 

 is by Pergande. 

 A New Anthomyiid Injurious to Lupines. Entomological News, xii, 206, 

 207; Sept., 1901. 

 Phorbia lupiiii. 

 Three New Species of Culicidse. Canadian Entomologist, xxxiii, 258-260; 

 Sept., 1901. 

 Psorophora Iwzvardii, Culex currici, Aedcs smithii. 

 Types of Anthomyid Genera. Journal of the New York Entomological So- 

 ciety, IX, 134-146; Sept., 1901. 

 No new species. 

 Original Descriptions of New Diptera. Bulletin 47, New York State Mu- 

 seum, 585, 586; Sept., 1901. 

 Roedcrioidcs juncta and Zabrachia polita new genera and species. 

 New Diptera in the United States National Museum. Proceedings of the 

 United States National Museum, xxiii, 593-618; 1901. 



Pycnoglossa and Plethochwta n. gen. ; many new species, especially of 

 Ceratopogon. 



A Systematic Arrangement of the Families of Diptera. Proceedings of the 

 United States National Museum, xxiii, 653-658; 1901. 

 No new species. 



Three New Species of Nematocerous Diptera. Entomological News, xiii, 

 84, 85 ; March, 1902. 



Ceratopogon varicolor, Tanypiis dyari, Corcthra brakelcyi. 

 New Cyclorrhaphous Diptera from Mexico and New Mexico. Canadian 

 Entomologist xxxiv, 195-202; Aug., 1902. 



Comatacta and Trixodcs n. gen. ; 12 n. sp. ; oc. of Siciis in N. A. 

 New Orthorrhaphous Diptera from Mexico and Texas. Journal of the New 

 York Entomological Society, x, 136-141 ; Sept., 1902. 

 Eleven new species. 



Three New Species of Culex. Canadian Entomologist, xxxiv, 292, 293; 



Nov., 1902. 



C. atropalpus, z'an'palpus and quadrivittatus. 

 Diptera from Beulah, N. M. Transactions of the American Entomological 



Society, xxix, 102-104; Nov., 1902. 



