MAY FLIES AND MIDGES OF NEW YORK 315 



*1SG7 Swainson. Trans. Micr. Soc. Loiul. 99. 



*1S94 Swainson. Bi'it. Natur. 107. 



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



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



*1SS3 Tomosvary. Termeszetra.iza Fiizetek. VII. 19. 



*1S84 Tomosvary. Ertekezesek a term.-tud. korebol. XIV. 1. 



1893 Townsend. Tsyche. 6:370. 



1891 Townsend. Journ. Institute Jamaica. I. 381. 



1897 Townsend. Ann. and Mag. Nat. Hist. Ser. 6. XIX. 17. 1. 



1875 Treat. Amer. Naturalist. IX. GGO. 



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



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



ISGS Van der Wulp. Tijdschr. v. Entouaol. X (II). 



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



1874 Van der Wulp. Ti.idschr. 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. Trams, of the Royl. Soc. London. Vol. IGS. 

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



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



*1684 Wag-ner. Ephem. Acad. Nat. Curios. De generatione Culicum. 3G8. 



1848 Walker. List Diptera Brit. Mus. I. 



185G Walker. Ins. Saundersiana, Diptera. I. 



1856 Walker. Ins. Brit. Diptera. III. 



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



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



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



*1873 Weyenbergh. Stettiner Ent. Zeit. 452^58. 



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



1883 Weyenbergh. Stettiner Ent. Zeit. XLIV. 



*18S6 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. 253^49. 



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



19O0 Williston. Biologia Central! Americana. Diptera. 224-225. 



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



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



1852 Winnertz. Linuaea 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 Scand. IX. 



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



1852 Zetterstedt. Diptera Scand. XL 



1855 Zetterstedt. Diptera Scand. XII. 



1860 Zetterstedt. Diptera Scand. XIV. 



