204 GEOMYZIDAE. 



*obsoleta Loew, Centur. I, 98; Monogr. etc, T, 172. Distr. ColumMa 

 * quadrata Fallen , Hydromyz. 5,6; Schiner, Fauna Austr. II , 2Go. - 



Europe and ^rth America (Loew, Sillim. Journ. etc.). 

 *sejuncta Loew, Centur. IV, 99. - - Sitka. 

 *$teuliaiiiinari Zetterstedt, Dipt. Scand. V, 1842, 24. Europe and 



North America (Loew, Sillim. Journ. XXXVII, 318). 

 stagnalis Meigen, in Staeger's Groenl. Antl. (Ephydra); Holmgren, 



Ins. Nordgroenl., 103. - - Europe, Greenland. 



Observation. The following species seem also to belong to Scatdla. 

 Ephjdra pic-en Walker, List, etc. IV, 1105. Huds. B. Terr. 

 oscitans Walker, 1. c. 1106. - 



oc-tnnotata Walker, 1. o. HOC. 



striata Walker, 1. c. 1107. - 

 peutastigniii Thomson, Eugen. Resa, etc. 591. California. 



Caenia. 



R. Desvoidy, Myod. 800; 1830. 



*si)inosa Loew, Centur. V, 100. - - Massachusetts, New York. 



Ilythea. 



Haliday, Ann. of Nat. Hist. Ill, 408; 1830. 



*spilota Curtis, Brit. Entom. 413; Schiner, Fauna Austr. II, 2fi3. - 

 Europe and North America (Loew, in Sillim. Journ. Vol. XXXVII, 



318). 



(?) Epliydra oscitans Walker, Trans. Ent. Soc. N. S. IV, 233. - 

 United States. ( 319 ). 



FAMILY GEOMYZlDAE.r- )- 



Diastata. 



Meigen, System. Beschr. VI, 94; 1830. 



* eluta Loew, Centur. Ill, 59. - - Sitka. 



*pulclira Loew, Centur. I, 100. - - Pennsylvania. 

 tenuipes Walker, List, etc. IV, 1112. - - Huds. B. Terr. 



*vagans Loew (in Jitt.). - Europe and North America (N. Hampshire). 

 I mention this name, because it occurs in Loew's typical collec- 

 tion and in my collection (now both in the Mus. Comp. Zool.); 

 but I am not aware that the species has ever been described. 



Diplocentra. 



Loew, Centur. Vol II, page 288; 1872; Cwrtonotwm Macq., Dipt. Exot. 

 II, 3, 193 (this name is preoccupied). 



*helva Loew, Centur. II, 91. - - British America. 



