J 2 CATALOGUE OF NORTH AMERICAN DIPTERA. 



On the Collection and Preservation of Diptera. Psyche, 1884, 130-132. 

 Notes on Injurious Insects. Entomological Laboratory, Michigan Agricul- 

 tural College, 1884. By Professor A. J. Cook. 



Description of Scopolia scquax n. sp., by Williston ; here referred to 

 Phorichccta. 

 Article Diptera in Standard Natural History, Vol. v, pp. 403-433. many figs., 

 1884 (Later editions designated as Riverside Natural History). 

 General treatment ; no new species. 

 On the North American Asilidse. II. Transactions of the American Ento- 

 mological Society, xii, 53-76, 1885. 

 17 new species. 

 Exorista infesta n. sp. In 14th Report State Entomol. of 111., for the year 

 1884 (pub. 1885), p. 65. 



Herein referred to ]]^intJicinia quadripHstulata. 

 On the Classification of North American Diptera. I. Bull. Brooklyn Entom. 

 Society, vii, 129-131 ; Feb., 1885. 



II. Entomologica Americana, i, 10-13; Apr., 1885. 

 III. Entomologica Americana, i, 114-118 and 152-155; 1885. 

 Part II contains Apatolcstcs comastes n. g. and sp. ; Part iii contains 

 Scoliopelta lutcipcs n. g. and sp. 

 Notes and Descriptions of North American Xylophagidse and Stratiomyidse. 

 Canadian Entomologist, xvii, 121-128; July, 1885. 

 Nine new species. 

 Ueber einige Leptiden-Characteren. Entomol. Nachrichten, lxvi, 400, 1885. 



On two Interesting New Genera of Leptidee. Entomologica Americana, 11, 

 105-108, 1886. 



Agnotomyia (n. g.) clongata Say and Arthroceras polliiiosuni n. g. and 

 sp. The first genus is a synonym of Dialysis. 



Ueber Mallota cimbiciformis. Berliner Entom. Zeitschr., xxvi, 171, 172, 

 1886. 



Notes on synonymy and dimorphism. 



Dipterological Notes and Descriptions. Trans. Amer. Entom. Soc, xiii, 

 287-307, 1886. 



21 new species; many notes on others. 



Synopsis of the North American Syrphidje. Bulletin of the U. S. Natl. Mu- 

 seum, No. 31, Washington, 1886. Pp. xxx and 335, 12 plates. 



Contains descriptions of all the North American genera and species 

 known at that time; many new. Indispensable for the family. 



North American Tachinidas. Gonia. Canadian Entomologist, xix, 6-12; 

 Jan., 1887. 



G. senilis, porca, cxiil. and scquax; some of these are perhaps synonyms 

 of capitata, as indicated by Coquillett. 



Table of the Families of Diptera. Kansas Academy of Science, x, 122-128, 

 1887. 



Notes and descriptions of North American Tabanidje. Kans. Acad. Sci., x, 

 129-142, 1887. 



14 new species ; tables of species, supplementary to Osten Sacken. 



An Australian Parasite of Icerya purchasi. Insect Life, i, 21, 22, fig.; July, 

 1888. 



