MAY FLIES AND MIDGES OF NEW YORK 315 



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



*1S94 Swainson. Brit. Natur. 107. 



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



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



*18S3 To'mosvary. Ternieszetrajza Fiizetek. VII. 19. 



*18S4 Tomosvary. Ertekezesek a terin.-tud. korebol. XIV. 1. 



1893 Townsend. Psyche. 6:370. 



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



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



1875 Treat. Amer. Naturalist. IX. 6GO. 



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



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



1808 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 reudus. L'acad. d. Sc. Paris (Nov.). 



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



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

 *1SG1 Vinen. Linn. Soc. London. Jr. of Proc. 3. 



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



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



1848 Walker. List Diptera Brit. Mus. I. 



1856 Walker. Ins. Saundersiana, Diptera. I. 



1S5G Walker. Ins. Brit. Diptera. III. 



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



*1S9S 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. 



*1SSG 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. 



1896 Williston. Manual of the N. A. Diptera. 



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



*1S73 Willemoes-Suhm. Zeitschr. f. Wiss. Zool. XXIII. 351. 



1846 Winnertz. Stettiuer Entomol. Zeit. VII. 12. 



1852 Winnertz. Linnaea Entomologica. VI. 



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



Wulp. See Van der Wulp. 



*1842 Zeller. Isis. 807. 



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



1850 Zetterstedt. Diptera Scancl. IX. 



*1S50 Zetterstedt. Diptera Scand. IX. 3476, 3483, 3653. 



1852 Zetterstedt. Diptera Scaucl. XI. 



1855 Zetterstedt. Diptera Scand. XII. 



1860 Zetterstedt. Diptera Scand. XIV. 



