MAY PLIES AND MIDGES OF NEW YORK 315 



*1867 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. Termeszetrajza Fiizetek. VII. 19. 



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



1803 Townsend. Psyche. 6:370. 



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



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



1875 Treat. Amer. Naturalist. IX. 660. 



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



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



186S Van der Wulp. Tijdschr. v. Entomol. X (II). 



1873 Van der Wnlp. 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. 

 *1861 Vinen. Linn. Soc. London. Jr. of Proc. 3. 



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



*1684 Wagner. Ephem. Acad. Nat Curios. De generatione Culicum. 368. 



1848 Walker. List Diptera Brit Mus. I. 



1856 Walker. Ins. Saundersiana, Diptera. I. 



1856 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. 11. 124, 510, 510. 



*1873 Weyenbergh. Stettiner Ent Zeit 452^58. 



*1874 Weyenbergh. Tijdschr. v. Ent XVII. 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. 253-449. 



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



1900 Williston. Biologia Oentrali 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 Wulp. 



*1842 Zeller. Isis. 807. 



1838 Zetterstedt. Insecta Lapponica. Diptera. (183&-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. 



