PLATE 12. 

 DJptera. 



258. Tabanus, wing. (Williston) a. c. v., anterior crossvein; p. c. v., small cross- 



vein [Tabanidse] 



259. Musca, apex of tarsus, showing bristle-shaped empodium. (Kellogg) [Mus- 



cidse] 

 60. Thereva, wing. [Therevidse] 



261. Leptis, end of tarsus showing empodium. [Rhagionidse] 



262. Perrisia, antenna of male. (Verrall) [Cecidomyiidse] 



263. Pericoma, wing. [Psychodidse] 



264. Stichopogon, wing. [Asilidae] 



265. Anthrax, wing. [Bombyliidse] 



266. Bibio, antenna. (Verrall) [Bibionidse] 



267. Culex, wing. [Culicidse] 



268. Empis, wing. [Empididse] 



269. Bittacomorpha, wing. [Ptychopteridse] 



270. Pktypalpus, wing. [Empididse] 



271. Scatophaga, wing. [Scatophagidse] 



272. Simulium, antenna. (Verrall) [Simuliidse] 



273. Tipula, wing. [Tipulida] 



274. Dolichopus, wing. [Dolichopodidse] 



275. Euxesta, wing. [Ortalididse] 



276. Rhypus, antenna. (Verrall) [Rhyphidse] 



277. Blepharocera, wing. (Comstock) [Blepharoceridse] 



278. Lonchoptera, wing. [Lonchopteridse] 



279. Trixoscelis, wing. [Geomyzidse] 



280. Ceroplatus, wing. [Mycetophilidse] 



281. Eristalis, wing. [Syrphidse] 



282. Meoneura, wing. [Milichiidse] 



283. Tabanus, antenna. (Verrall) [Tabanidse] 



284. Orphnephila, wing. (Williston) [Orphnephilidse] 



285. Pktypeza, wing. [Platypezidse] 



286. Xylophagus, antenna. (Verrall) [Xylophagidse] 



287. Co2nomyia, antenna. (Verrall) [Ccenomyiidse] 



288. Rhyphus, wing. [Rhyphidse] 



289. Pipunculus, wing. [Pipunculidse] 



290. Rhachicerus, antenna of female. (Vollenhoven) [Xylophagidse] 



291. Chrysopik, wing. [Rhagionidse] 



292. Conops, wing. [Conopidse] 



293. Thereva, antenna. (Verrall) [Therevidse] 



294. Bombylius, antenna. (Verrall) [Bombyliidse] 



295. Rhynchocephalus, wing. (Williston) [Nemestrinidse] 



296. Musca, wing. [Muscidse] 



297. Gonia, antenna. (Williston) [Tachinidse] 



298. Mydas, wing. (Mydaidse] 



299. Dolichopus, antenna. [Dolichopodidse] 



300. Drapetis, antenna. (Williston) [Empididse] 



301. Volucella, antenna. (Williston) [Syrphidse] 



106 



