21 



S. W. Williston. — On the classification of North American Diptera. 

 (Third paper.) < Entom. Amer., Vol. I, 1885, pp. 111-116. 



Tables for distinguishing the families Stratiomyidae and Xylophagidse and 

 oscillant genera; table of the genera of Xylophagidse. 



STRATIOMTIID^:. 



S. W. Williston. — On the classification of North American Diptera. 

 (Third paper.) <Entom. Amer., Vol. I, 1885, pp. 111-116 and 

 152-155. 



Tables of the subfamilies and genera of the family. 



L. T. Day. — The species of Odontomyia found in the United States. 



<Proc, Acad. Nat. Sci. Phila., 1882, pp. 74-88. 

 C. W. Johnson. — A review of the StratiomyiaB and Odontoniyiae of 



North America. <Trans. Am. Entom. Soc, 1895, pp. 227-278. 



TABANID^S. 



C. R. Osten Sacken. — Prodrome of a monograph of the Tabanidse of 



the United States. <Memoirs of the Boston Soc. of Nat. Hist. , 



Vol. II, 1875-1878. 



V Part I. The genera Pangonia, Chrysops, Silvius, Hsemotopota, Diabasis (1. c. , 

 pp. 365-397). Part II. The genus Tabanus, with an Appendix and 

 Index (1. c., pp. 421-479). Supplement (1. c, pp. 555-560). 



S. W. Williston. — On the classification of North American Diptera. 

 (Second paper.) <Entom. Amer., Vol. I, 1885, pp. 10-13. 

 Contains a synopsis of the genera of Tabanidee, pp. 10-11. 



S. W. Williston. — Notes and descriptions of North American Taba- 

 nida3. <Trans. Kans. Acad. Sci., Vol. X, 1888, pp. 129-112. 



LEPTID^E. 



S. W. Williston. — On the classification of North American Diptera. 

 (Second paper.) <Entom. Amer., Vol. I, 1885, pp. 10-13. 

 Table of the genera of North American Leptid?e. 



D. W. Coquillett. — Synopsis of the Dipterous genus Syruphoromyia. 



<Journ. N. Y. Entom. Soc, 1891, pp. 53-56. 



asilid^:. 



C. R. Osten Sacken. — Western Diptera, etc. <Bul. U. S. Geolog. 

 and Geogr. Survey of the Territories, Vol. Ill, No. 2, 1877. 



Synoptical and analytical table of the Western species of Cyrtopogon, pp. 

 294-309. 

 S. W. Williston. — On the North American Asilidae (Dasypogoninae, 

 Laphrinae), with a new genus of Syrphidee. <Trans. Amer. 

 Entom. Soc, Vol. XI, 1883, pp. 1-35^ Pis. I, II. 



Tabulates the genera of the subfamilies Dasypogoninas and Laphrinae, with 

 enumeration of the species. 



