112 DOLICHOPODIDAE. 



Observation. Tacliytreclim moeclius and samis belong to tlie 

 new genus Macellocerus Mik, Scliulprogr. d. Acad. Gymn. in 

 Wien, 1878. 



About Orthochile derempta Walker, List, etc. see the note ( 1F "). 



Ilcrcostomns. 



Loew, Neue Beitr. V, 1857; Monogr. II, 116. ( 1FR ). 

 *iuiicolor Loew, Monogr. II, 117. - - Fort Eesolution, Huds. B. Terr. 



Diostracns. 



Loew, Neue Beitr. VIII; 1861; Monogr. II, 120. 

 *prasinus Loew, Neue Beitr. VIII, 44, 1; Monogr. II, 121. New York. 



Argyra. 



Macquart, Hist. Nat. Dipt I, 456; 1834; Loew, Monogr. II, 123. 



*albicans Loew, Neue Beitr. VIII, 45, 1 ; Monogr. II, 125. - - Distr. 

 Columbia. 



* albiventris Loew, Monogr. II. 128 - Sitka 



*calceata Loew, Neae Beitr. VIII, 47, 4; Monogr. II, 131. Middle 



States. 

 *calcitrans Loew, Neue Beitr. VIII, 46, 3; Monogr. II, 130. 



New York. 



*cylimlrica Loew, Monogr. II, 132. -- Sitka. 

 "niimita Loew, Neue Beitr. VIII, 46, 2; Monogr. II, 129. -- Distr. 



Columbia. 

 *nigripes Loew, Monogr. II, 127. - - Sitka. 



Synarthrus. 



Loew, Neue Beitr. V; 1857; Monogr. II, 134. 



barbatns Loew, Neue Beitr. VIII, 48, 2; Monogr. II, 133. -- Middle 



States. 

 * cinereiventris Loew, Neue Beitr. VIII, 48, 1; Monogr. II, 137. - 



Middle States; Texas. 

 *palmaris Loew, Monogr. II, 135. -- Sitka. 



Rhaphinm. 



Meigen, Illiger's Magaz. II; 1803; 

 Loew, Neue Beitr. V; Monogr. II, 140. 



*lu-ubre Loew, Neue Beitr. VIII, 49, 1; Monogr. II, 141. Carolina. 



Porphyrops. 



Meigen, System. Beschr IV, 45; 1824; Monogr. II, 142. 



* fumipeimis Loew, Neue Beitr. VIII, 51, 3; Monogr. II, 146. 



Middle States. 



Moiigipes Loew, Centur. V, ^2; Monogr. II, 340. - - White Mt?. , N. 

 II.. Canada. 



