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*1894 Mik. Wiener Ent. Zeitg. XIII, 23. 



♦1896 Mik. Wiener Ent. Zeitg. XV. 242-247. 



* Monnier. Bulletin Soc. Vand. 2. XIII. p.60.. 



*1897 Morley. Ent. Moutlaly Mag. XXXIII. 90. 



* Mueller, 0. F. Von Wiirmern des siissen u. salz. Wassers. 22. 



*1899 Needham. U. S. Nat. Mus. Bui. 39. Part O. 



♦1901 Needham. N. Y. State Museum, Bulletin 47. 



*1903 Needham. N. Y. State Museum, Bulletin 68. 



1873 Nowicki. Beitr. z. Kenntn. d. Dipt. Fauna Galiziens. 



*1896 Osborn. Iowa Experiment Station Rept. No. 32. 



*1870 Osten Sacken. Trans. Amer. Ent. Soc. III. 51. 



1877 Osten Sacken. U. S. Geol. Sm-vey. Bulletin. Art. XIII. 



1878 Osten Sacken. Catalogue of Diptera, N. A. 



♦1869 Packard. Proe. and Commun. Essex Instit., YI. 42. 



♦1870 Packard. Amer. Journ. So. I. lOO-llO. 



♦1870 Packard. Monthly Micros. Journ. V. 133. 



♦1884 Packard. Amer. Nat. XVIII. 826-828. 



1813 Panzer. Fauna Germanica. CIX. 



♦1847 Perris. Ann. Soc. Ent. Fr. 



♦1870 Perris. Ann. Soc. Ent. Fr. 138, 232, 320, 366. 



♦1900 Pettit. Mich. Ac. of Sc. First Rept. 110. 



1865 Philippi. Verh. z. b. Gesel. Wien. XV, 600. 11. 



1851 Poey. Mem. sobre la Hist. Nat. de la Isla de Cuba. I. 



♦17.38 Reaumur. Mem. IV. 



1884 Ridley. Ent. Monthly Mag. 



♦1886 Riley. Ann. Rept. U. S. Comm. Agr. (Chironomus). 



1856 Rondani. Dipterologiae Italicae Prodromus. I. 



1857 Rondani. Dipterologiae Italicae Prodromus. II. 



1823 Say. Journ. Acad. Nat. Sc. III. 



1824 Say. American Entomology. II. 

 1829 Say. Journ. Acad. Nat Sc. VI. 

 1859 Say. Complete Writings. I, II. 

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 1862 Schiner. Fauna Austriaca. I. 

 1864 Schiner. Fauna Austriaca. II. 



♦1808 Schiner, Eeise der Oestr. Fregatte Novara. Diptera. 



♦1848 Scholtz. Ent. Z. Breslau. 1 :3, 9, 22. 



1803 Schrank. Fauna Boica. III. 



♦1854 Schubaert. Handel. Nederl. Eutom. Vereen. 10-12, 13-15. 



♦1849 Schubaert. Allgem. Konst. en Letterbode. 40, 41. 



♦1850 Schubaert. Allgem. Konst. en Letterbode. 48-50. 



1886 Scudder, U. S. Geol. Survey, Bui. 31. 91. 



1889 Skuse. Proc. Linn. Soc. N. S. W. (2). IV. 215-311. 



♦1879 Slater. The Entomologist. 87. 



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1899 Smith. See Johnson (1899). 



♦1872 Smith. U. S. Comm. of Fish and Fisheries. IT. 693. 



1839 Staeger. Krojer's Naturhist. Tidsskr. II. * 



1845 Staeger. Krojer's Naturhist. Tidsskr. I, n. ser. 



1829 Stephens. A Sy.st Cat'l. of Brit. Ins. 



