356 DIPTERA 
Vol. 31, p. 95 [1910] (Tachydromia); Frey, Acta Soc. Sc. Fenn. 
Helsingfors, Vol. 37 (3), p. 83 [1913] (Tachydromia). 
pallipes, Meigen (not Fallen), Syst. Beschr. Vol. 3, p. 74 [1822] (TacAy- 
dromia). 
112. P. fuscitarsis, Zetterstedt, Dipt. Scand. Vol. 13, p. 4990 [1859] (TacAy- 
dromia) ; Wahlgren, Ent. Tidskr. Vol. 31, p. 95 [1910] (Tachydromia). 
113. P. geniculatus, Meigen (not Fallen), Syst. Bes. Vol. 3, p. 75 [1822] 
(Tachydromia); Zetterstedt, Dipt. Scand. Vol. rz, p. 311, note [1842] 
(Tachydromia). 
114. P. gentilis, Brunetti, Rec. Indian Mus. Vol. 9, p. 40 [1913]; Fauna Brit. 
India Dipt. Vol. z, p. 377 [1920] (Tachydromia). 
115. P. gesticulor, nov. sp. 
116. P. gilvipes, Meigen, Syst. Beschr. Vol, 3, p. 87 [1822] (Tachydromia); 
Scholz, Zeitschr. Ent. Breslau, Vol. 5 (19), p. 59 [1851] (Tachy- 
dromia); Loew, Zeitschr. Ges. Naturw. Vol. 8, p. ror [1857] 
(Tachydromia). 
flavipes, Meigen (not Fabricius), Klassif. Beschr. Eur. Zweif. Ins. Vol. rz, 
p. 238 [1804] (Tachydromia). 
117. P. glaber, Meigen, Syst. Beschr. Vol. 3, p. 89 [1822] (Tachydromia); 
: Walker, Ins. Brit. Dipt. Vol. r, p. 129 (1851). 
118. P. glabratus, Meigen, Syst. Beschr. Vol. 7, p. 99 [1838] (Tachydromia) ; 
Schiner, Fauna Austr. Dipt. Vol. r, P. 92 (1862). 
119. P. glacialis, nov. sp. 
120. P. gravidus, Melander, Trans. Amer. Ent. Soc. Vol. 28, p. 22t, pl. 5, 
f. 25; pl. 6, f. 42 (1902). ; 
121. P. harpiger, Melander, Occ. Pap. Bost. Soc. Nat. Hist. Vol. 5, p. 84 
(1924). 
122. P. hastatus, Melander, Trans. Amer. Ent. Soc. Vol. 28, p. 222, f. 3o 
1902). 
123. P. oed ERE ibidem, Vol. 28, p. 220, f. 32, 36, 37 (1902); Ent. 
News, Vol. 17, p. 372 [1906] (Symballophthalmus). 
var, fuscohalteratus, Melander, Occ. Pap. Bost. Soc. Nat. Hist. Vol. 5, p. 85 
(1924). 
124. P. holosericus, Melander, ibidem, Vol. 5, p. 85 (1924). 
125. P. immaculatus, Becker, Mitteil. Zool. Mus. Berlin, Vol. 2, p. 45 [1902] 
(Tachydromia). 
126. P. impexus, Melander, Tives. Amer. Ent. Soc. Vol. 28, p. 219 (1902). 
127. P. incurvus, Melander, ibidem, Vol. 28, p. 221, f. 31, 33, 44 (1902). 
128. P. inferialis, nov. sp. 
129. P. infuscatus, Meigen, Syst. Beschr. Vol. 3, p. 84 [1822] (Tachydromia) ; 
Macquart, Dipt. N. France, Vol. 3, p. 99 (1827); Hist. Nat. Dipt. 
Vol. z, p. 355 (1834); Boitard, Man. Ent. Vol. 3, p. 324 (1843); 
Walker, Ins. Brit. Dipt. Vol. r, p. 126 (1851); Schiner, Fauna 
Austr. Dipt. Vol. 1, p. 88 (1862); Neuhaus, Dipt. Marchica, p. 74 
(1886); Leunis, Synop. Vol. 2, p. 40r (1886); Strobl, Mitteil. 
Naturw. Ver, Steiermark, Graz, Vol. 29, p. 115[1892](Tachydromia). 
13o. P. inops, Melander, Trans. Amer. Ent. Soc. Vol. 28, p. 220 (1902); 
Ent. News, Vol. 17, p. 372 [1906] (Symballophthalmus). 
var. aquicornis, nov. var. 
131. P. *interfecloris, Meunier, Ann. Sc. Nat. Zool. Vol. 7? p. 89, 102, pl. 5, 
f. 12, pl. 6, f. 1 (1908). 
132. P. interjectus, Lundbeck, Dipt. Danica, Vol. 3, p. 295 [1910] (Tachy- 
dromia). 
133. P. juvenis, nov. sp. 
var, puerinus, nov, var. 
var. hyenoides, nov. var. 
N. Europe. 
C. Europe. 
Himalayas. 
Montana. 
C. Europe. 
C. Europe. 
C. Europe. 
Montana, Washington. 
California, 
Massachusetts, 
United States. 
North America. 
E. United States. 
E. North America. 
Egypt. 
United States. 
California. 
W. United States. 
C. Europe. 
United States. 
Montana. 
Baltic Amber, 
Denmark. 
W. North America. 
North America. 
Washington, 
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