MAY FLIES AND MIDGES OP NEW YORK 315 



*18G7 Swainson. Trans. Micr. Soc. Lond. 99. 



*1894 Swainson. Brit. Natur. 107. 



*1903- Taylor. Ent Soc. London. Trans. 521. 



*1892 Theobald. An account of the Brit, flies. I. 171-204. 



*1883 Tomosvary. Term^szetra.iza Fiizetek. VII. 19. 



*1884 Tomosvary. Ertekezesek a term.-tud. korebul. XIV. 1. 



1893 Towusend. Fsyche. 6:370. 



1894 Townsend. Journ. Institute Jamaica. I. 381. 



1897 Townsend. Ann. and Mag. Nat. Hist. Ser. G. XIX. 17. 1. 



1875 Treat. Amer. Naturalist. IX. 6G0. 



1903 Ulmer. All. Zeit. f. Ent. 8:401. 



1858 Van der Wulp. Tijdschr. v. Entom. II. 



18GS Van der Wulp. Tijdschr. v. Entomol. X (II). 



1873 Van der Wulp. Tijdschr. v. Entomol. XVI. 



1874 Van der Wulp. Tijdschr. v. Entomol. XVII. 

 1877 Van der Wulp. Diptera Neerlandica. I. 



*1900 Vaney. Comptes rendus. L'acad. d. Sc. Paris (Nov.). 



*1847 Verloren. Acad. Roy. d. Belgique. Sav. Etr. II-III. 



1875 Verrall. Phil. Trans, of the Royl. Soc. London. Vol. 168. 

 *18G1 Vinen. Linn. Soc. London. Jr. of Proc. 3. 



*1838 Fisher v. Waldheim. Oryctogr. d. Moscou, X. 



*1G84 Wagner. Ephem, Acad. Nat. Curios. De generatione Culicum. 3G8. 



1848 Walker. List Diptera Brit. Mus. I. 



1856 Walker. Ins. Saundersiana, Diptera. I. 



185G Walker. Ins. Brit. Diptera. III. 



*1893 Wassmann. Wien. Ent, Zeitg. XII. 277. 



*1898 Weltner. S. B. Ges. naturf. Berlin. 63-68. 



*1840 Westwood. Introduction, etc. II. 124, 510, 516. 



*1873 Weyenbergh. Stettiner Ent. Zeit. 452-458. 



*1874 Weyenbergh. Tijdschr. v. Ent. XVII. 149. 



1883 Weyenbergh. Stettiner Ent. Zeit. XLIV. 



*18SG Weyenbergh. Tijdschr. v. Entomol. XXIX. 125-133. 



1828 Wiedemann. Aussereurop. Zweifl. Ins. I. 



1830 Wiedemann. Aussereurop. Zweifl. Ins. II. 



1896 Williston. Trans. Ent. Soc. London. 253-449. 



189G Williston, Manual of the N. A. Diptera, 



1900 Williston. Biologia Centrali Americana. Diptera. 224-225. 



*1873 Willemoes-Suhm. Zeitschr. f. Wiss. Zool. XXIII. 351. 



1846 Winnertz. Stettiner Entomol, Zeit. VII. 12. 



1852 Winnertz. Linnaea Entomologica. VI. 



1852 Winnertz. Stettiner Ent. Zeit. XIII. 50. 



Wulp. See Van der AVulp. 



*1842 Zeller. Isis. 807. 



1838 Zetterstedt, Insecta Lapponica. Diptera. (1838-1840.) 



1850 Zetterstedt. Diptera Scand. IX, 



*1850 Zetterstedt. Diptera Scand. IX. 3476, 3483, 3653. 



1852 Zetterstedt. Diptera Scand. XI. 



1855 Zetterstedt, Diptera Scand. XII. 



1860 Zetterstedt. Diptera Scand. XIV. 



