AMERICAN DIPTERA. 397 



comstocki sp. nov. 



lug-geri Aid., Canad. Ent., xxiv, 125 (1892). 



nitidifrons sp. nov. 



cimbicis Aldrich, Canadian Entomologist, xxiv, 14.'?. 



incisuralis Lw., Centuries, vii, 98. 



divaricata Aid., Trans. Ent. Soc, London, 18!)(>, pt. iii, 137. 



var. perplexa var nov. 

 groenlandica Lundbeck., Saertryk of Vidensk. Med. t'ra den Nat urn. Foren, 



i, Kjobenhavn, 1900. 

 palposn Zett., Dipt. Scand., vii, 2870, 20. 

 opaea Meig., Beschr., vi, 211. 



iiigricomis Egg., Verhandl. <i. k. k. Zool-bot. lies., xii, 1 235. 

 higubris Syst., Beschr., vi, 217, 17. 

 trinervis Becker, Mono?. Phoridse, 19. 

 nrbana Meig., Syst. Beschar.. vi, 215, 11. 

 fennica Becker, Monog. Phoridse, 22. 



abbreviata v. Roser., Wuerteml). Correspohdenzblatt, 1840, 04. 

 crassicornis Meig-. Syst. Beschr., vi, 215, 11. 

 concinna Meig., Syst. Beschr.. vi, 220. 26. 



hergenstammi Mik., Verh. d. k. k. Zool-bot., Gesellschaft. 1864, 793. 

 maculata Meig.. Syst. Beschr., vi, 214, 7. 

 bohemanni Becker, Monog. Phor., p. 27. 

 spinosissima Strobl, Phoriden Oesterreichs, 162. 

 excisn Becker, Monog. Phor., 28. 

 nudipalpis Becker, Monog. Phor., 29. 

 uniipinosa Zett., Dipt. Scand., xiv, (i47.">. 

 dor8alis Becker. Monog. Phoridse, 31. 

 chlorogastra Becker, Monog. Phorida?, 32. 



unicalearata Becker. Monog. Phoridse, 32. , 



erythronota Strobl, Phoriden Oesterreichs, 1!)."), (i. 

 curviiiervis Becker. Monog. Phoridse, 33. 

 aptina Schiner, Fauna d. Adelsb. Grotte. (1863). 

 abdominalis Fall., Dipt. Suec, Phytoniyzides. 5, 2. 

 Mrohli Becker. Monog. Phorida'. 36. 

 aulamnalis Becker. Monog. Phoridse, 44. 

 soroeula v. d. Wulp, Tidschr. v. Entomol., xiv, 209. 

 sinensis Schiner, Novara Reise Dipt., 224, (1868). 



IXMiMI'llOltA Dahl. 

 dorhni Dahl., S. B. d. naturf. Freunde, 1898, p. 188, 



HYI'OCERA Li.y. 

 johnsoni sp. nov. 

 ehrmanni sp. nov. 



feraorata Meig., Syst. Beschr.. vi. 213, 5. 

 Clavata Lw., Gentries, vii, 95. 



mordellaria Fall., Dipt. Suec. Phytoniyzides. ti, 4. 

 grer.adensis sp. nov. 



rRANS. KM. ENT. SOC. XXIX. DECEMBEK. 1903 



