AMERICAN DIPTEKA. '.VJ , 



comstocki sp. nov. 



lug-g-eri Aid., Canad. Ent., \.\iv, 125 (1892). 



nitidifrons sp. nov. 



cimbicis Aldrich, Canadian Entomologist, xxiv, 143. 



incisuralis Lw., Centuries, vii. 98. 



divaricata Aid., Trans. Ent. Soc, London, 1896, pt. iii. 137. 



var. perplexa var nov. 

 grcenlandica Lundbeck., Ssertryk of Vidensk. Med. fra den Naturh. Foren, 



i, Kjohenhavn, 1900.' 

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

 opaca Meig., Besc.hr., vi, 211. 



nigricornis Egg., Verhandl. d. k. k. Zool-bot. Ges., xii, 12:>~>. 

 lugubris Syst., Beschr., vi, 217, 17. 

 trinervis Becker, Monog. Phoridse, 19. 

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

 fennica Becker, Monog. Phoridse, 22. 



abbreviata v. Roser., Wuertemb. Correspondenzblatt, 1840, 64. 

 crassicornis Meig., Svst. Beschr., vi. 215, 11. 

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



bergenstammi Mik., V T erh. d. k. k. Zool-bot., Gesellschaft. 1864, 793. 

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

 bohemanni Becker, Monog. Pbor., y. 27. 

 spinosissima Strobl, Phoriden Oesterreichs, 162. 

 e.xcisA Becker, Monog. Phor., 28. 

 uudipalpis Becker, Monog. Phor., 29. 

 unispinosa Zett., Dipt. Scand., xiv, 6475. 

 dorsalis Becker, Monog. Phoridse, 31. 

 chlorogastra Becker, Monog. Phoridse, 32. 

 nnicalcarata Becker, Monog. Phoridse, 32. 

 erythronota Strobl, Phoriden Oesterreichs, 195, 6. 

 cnrvinervis Becker. Monog. Phoridse, 33. 

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

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

 strobli Becker. Monog. Phoridse, '■'><>. 

 autumnalis Becker, Monog. Phoridse, 44. 

 soroc.ula v. d. Wulp, Tidschr. v. Entomol., xiv, 209. 

 sinensis Schiner, Novara Reise Dipt., '.'24, (1868). 



IkORXIPIIOKA Dahl. 



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



HYPOCERA Lioy. 

 johnsoni sp. nov. 

 ehrmanni sp. nov. 



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

 clavata Lvv., Gentries, vii, 95. 



mordellaria Fall., Dipt. Suec. Phytomyzides, 6, 4. 

 grenadensis sp. nov. 



TRANS. AM. ENT. SOC. XXIX. DECEMBER. 1903 



