614 PROCEEDINGS OP THE NATIONAL MUSEUM. vol. 37. 



1/ Thalassomya Schiner, Verh. Zool.-Bot.- Ges. Wien, vol. 6, p. 219, 1856. 1 



species. Type, Tludassomya j'rauenfeldi Schiner. 

 «/ Thamnodromia Mik, Wien. Ent. Zeit., vol. 5, p, 278, 1886. Change of name for 



Phyllodromia Zetterstedt, 1837, not of Serville, 1839. Type, Empis melanocephala 



Fabricius. Equals Hemerodromia Meigen, 1822. 

 */ Thapsia Desvoidy, Hist. Nat. Dipt., vol. 1, p. 689, 1863. 1 species. Type, Tarhina 



albicollis Meigen. Equals Neaera Desvoidy, 1830. 

 </ Thaumalea Ruthe, Isis von Oken for 1831, p. 1211, Nov., 1831. 1 species. Type, 



Orphnephila devia Haliday (as testacea, new species). Equals Orphnephila Haliday, 



September, 1831. 

 ^ Thecophora Rondani, Nuovi Ann. Sci. Nat. (Bologna) for 1845, p. 15, 1845. 1 



species. Type, Myopa atra Fabricius. Syn., Occemya Desvoidy, 1853. 

 </ Thelairia Desvoidy, Essai Myod., p. 214, 1830. 1 species (as 2). Type, Musca 



nigripes Fabricius. 

 </ Thelairodes Wulp, Biol. Centr.-Amer., Dipt., vol. 2, p. 254, 1891. 3 species. 



Type, Homodexia riltigera Bigot, the first species, by designation of Brauer and 



Bergenstamm, Denkschr. Kais. Akad. Wiss. Wien, vol. 58, 1891, p. 377. 

 *-' Themira Desvoidy, Essai Myod., p. 745, 1830. 2 species. Type, Themira pilosa 



Desvoidy, the first species, by present designation. Syn., CheUgaMer Macquart, 



1835; Halidaya Rondani, 1856. 

 ^ Theobaldia Neveu-Lemaire, Compt. Rend. Soc. Biol., vol. 54, p. 1331, 1902. 1 



species. Type, Culex annulatus Schrank. Syn., Theobaldinella Blanchard, 1905. 

 ^ Tlieobaldinella Blanchard, Les Moust., p. 390, 1905. Change of name for Theo- 

 baldia Neveu-Lemaire, 1902, under the mistaken impression that it interferes with 



Theobaldius Neville. Type, Culex annulatus Schrank. Equals Theobaldia Neveu- 

 Lemaire, 1902. 

 i/ Theone Desvoidy, Hist. Nat. Dipt., vol. 2, p. 401, 1863. 1 species (as 2). Type, 



Tachina polyodon Meigen. Equals Amobia Desvoidy, 1830. 

 ""' Theresia Desvoidy, Essai Myod., p. 325, 1830. 1 species. Type, Theresia tandrec 



Desvoidy. Syn., Sardiocera Brauer and Bergenstamm, 1889. 

 «/ Tbe reva^ LATREiLLE. Precis, p. 167, 1796. No species. In his Hist. Nat. Crust, et 



Ins., vol. 3, 1802, p. 441, 1 species. Type, Musca plebeja Linnaeus. Syn., Dialineura 



Rondani, 1856. 

 •^ Therioplectes Zeller, Isis von Oken for 1842, p. 819, 1842. 8 species. Type, 



Tabanus tricolor Zeller, the first species, by present designation. Equals Tabanus 



Linnaeus, 1758. 

 Y Thevenemyia Bigot, Bull. Soc. Ent. France for 1875, p. 174, 1875. 1 species. Type, 



Thevenemyia calij 'ornica Bigot. Equals Eclimus Loew, 1844. 

 */ Thinodromia Melander, Ent, News, vol. 17, p. 370, 1906. 1 species. Type, 



Tlimodromia inchoata Melander. 

 j/ Thinophilus Wahlberg, 6fv. Kongl. Vet. Akad. Forh., vol. 1, p. 37, 1844. 2 species. 



Type, Rhaphium flavipalpe Zetterstedt, the first species, by designation of Zetter- 

 stedt, Dipt. Scand., vol. 8, 1849, p. 310.1. 

 ■s Thricops Rondani, Dipt. Ital. Prodr., vol. 1, p. 96, 1856. 1 species. Type, Aricia 



hirtula Zetterstedt. Syn., Tricophthicus Rondani, 1861; Rhynchotrichops Schnabl, 



1889. 

 y Thrycolyga Rondani, Dipt. Ital. Prodr., vol. 1, p. 68, 1856. 1 species. Type, 



Thrycolyga nova Rondani. Syn., Scotia Desvoidy, 1863. 

 i/ Thrypticus Gerst.ecker, Ent. Zeit. Stettin, vol. 24, p. 43, 1864. 1 species. Type, 



Tlirypticus smaragdinus Gerst.ecker. Syn., Aphantotimus Wheeler, 1890; Zantho- 



Iricha Aldrich, 1896. 

 «/ Thryptocera Macquart, Recueil Trav. Soc. Sci. Lille for 1834, p. 310, 1834. 9 



species. Type, Tachina pilipennis Fallen, the ninth species, by designation of Ron- 



