CATALOGUE OF NORTH AMERICAN DIPTERA. 21 



On the Habits of the Oscinidc-e and Agromyzid?e Reared at the U. S. Dept. 

 of Agriculture. Bull. lo, new series, Division of Entomology, 70-79; 1898. 

 Habits of many species ; very valuable. 



A Cecidomyiid Injurious to Seeds of Sorghum. Bull. 18, new series, Div. 

 of Entomology, Department of Agriculture ; p. 81 ; 1898. 



Diplosis sorghiola. 

 Description of a New Psilopa. Canadian Entomologist, xxxi, 8; Jan., 1899. 



Psilopa petrolei, from California. 



A New Dipterous Family Related to the Chironomidae. Entomological News, 

 X, 60, 61, fig. ; March, 1899. 

 Stencrxcnus johnsoni, which I place in the Chironomidae. 



New Genera and Species of Dexidse. Journal of the New York Entomolog- 

 ical Society, vii, 218-222; Sept., 1899. 

 Eight new species ; three new genera. 

 New Genera and Species of Nycteribidae and Hippoboscidre. Canadian En- 

 tomologist, XXXI, 33Z~2i^'! Nov., 1899. 



Ptercllepsis, Aspidoptcra and Pseudolfersia n. gen. ; four new species. 

 Notes and Descriptions of Trypetidee. Journal of the New York Entomo ■ 

 logical Society, vii, 259-268; Dec, 1899. 

 Paracantha n. gen., and 17 new species. 

 Report on Diptera of the Commander Islands. Extracted from " The Fur 

 Seals and Fur Seal Islands of the North Pacific Ocean," iv, 341-346, 

 Washington, 1899. 

 Eutanypus n. gen. ; eight new species. 



New Genera and Species of Ephydrid?e. Canadian Entomologist, xxxii, 33- 

 35; Feb., 1900. 



Nostima and Parafissa n. gen. ; five new species. 



Notes and Descriptions of Ortalid?e. Journal of the New York Entomolog- 

 ical Society, viir, 21-25 > March, 1900. 

 Parcvdopa new genus; ten new species. 



Two New Genera of Diptera. Entomological News, xi, 429, 430, figs. ; April, 

 1900. 

 Hesperodes johnsoni and Traginops irrorata, both from New Jersey. 

 New Scenopinidas of the United States. Entomological News, xi, 500, 501 ; 

 June, 1900. 



Metatrichia new genus; Pseiidatrichia nnicolor and griseola. both from 

 New Mexico. 

 Report on a Collection of Dipterous Insects from Puerto Rico. Proceedings 

 of the United States National Museum, xxii, 249-270; 1900. 

 Three new genera and fifteen new species; many other species reported. 

 Two New Cecidomyians Destructive to Buds of Roses. Bulletin 22, new 

 series, Division of Entomology, Dept. of Agriculture; 1900, pp. 44-48, figs. 

 Diplosis rosivora and Neocerata (n. gen), rhodophaga; life histories. 

 A New Violet Pest. Bulletin 22, new series, Division of Entomolog>', Dept. 

 of Agriculture; 1900, pp. 48-51, figs. 

 Diplosis violicola n. sp. ; fuller life history in Bull, 27, 47-50; 1901. 

 Synoptic Tables of North American Mosquitoes. Bulletin 25, new series, 

 Division of Entomolog}^ Dept. of Agriculture; 1900, pp. 19-22. 



