358 DIPTERA 
154. P. luteus, Meigen, Klassif. Vol. 1, p. 238 [1804] (Tachydromia); Fallen, Europe. 
Empid. p. ro [1815] (Tachydromia); Meigen, Syst. Beschr. Vol. 3, 
p. 89 [1822] (Tachydromia); Macquart, Dipt. N. France, Vol. 3, 
p. 100 (1827); Hist. Nat. Dipt. Vol. r, p. 356 (1834); Zetterstedt, 
Fauna Ins. Lappon. p. 552 [1838] (Tachydromia); Dipt. Scand. 
Vol. rz, p. 294 part [1842] (Tachydromia); Walker, List, Vol. 3, 
p. 510 (1849); Zetterstedt, Dipt. Scand. Vol. 8, p. 3007 [1849] 
(Tachydromia); Scholz, Zeitschr. Ent. Breslau, Vol. 5 (19), p. 58 
[1851] (Tachydromia) ; Walker, Ins. Brit. Dipt. Vol. 1, p. 129 (1851); 
Bonsdorff, Finl. tváv. Ins. Dipt. Vol. r, p. 150 [1861] (Tachydromia); 
Schiner, Fauna Austr. Dipt. Vol. r, p. 91 (1862); Neuhaus, Dipt. 
March. p. 75 (1885); Strobl, Mitteil. Naturw. Ver. Steiermark, 
Graz, Vol. 29, p. 108 [1892] (Tachydromia); Frey, Zeitschr. Hym. 
Dipt. Vol. 7, p. 411 (1907); Medd. Soc. Sc. Fenn. Helsingfors, 
Vol. 34, p. 21 [1908] (Tachydromia); Acta Soc. Sc. Fenn. Helsing- 
fors, Vol. 31 (9), p. 8 [1908](7 achydromia); Lundbeck, Dipt. Danica, 
Vol. 3, p. 312 [1910] (Tachydromia); Wahlgren, Ent. Tidskr. Vol.31, 
p- 94, f. 19 [1910] (Tachydromia); Frey, Acta Soc. Sc. Fenn. Hel- 
singfors, Vol. 37 (3), p. 81 [1913] (Tachydromia). 
glaber, Zetterstedt (not Meigen), Dipt. Scand. Vol. 1, p. 295 [1842] (Tacky- 
dromia) ; ibidem, Vol. 8, p. 3007 [1849] (Tachydromia;. 
f£allidus, Meigen, Syst. Beschr. Vol. 3, p. 9o [1822] (Tachydromia) ; Scholz, 
Zeitschr, Ent. Breslau, Vol. 5, p. 59 [1851] (Tachydromía) ; Schiner, 
Fauna Austr. Dipt. Vol. 1, p. 91 (1862). 
155, P. lyristes, nov. sp. Arizona. 
156. P. macropalpus, Strobl, Wien. Ent. Zeit. Vol. 18, p. 8o [1899] (Tachy- Spain. 
dromia. 
157. P. maculifemoratus, nov. sp. (1). Java. 
158. P. maculifemur, Meijere, Tijdschr. v. Ent. Vol. 56, Suppl. p. 78 [1914] Java. 
(Tachydromia). 
159. P. maculipes, Meigen, Syst. Beschr. Vol. 3, p. 79 [1822] (Tachydromia); Europe. 
Zetterstedt, Dipt. Scand. Vol. rz, p. 274 [1842] (Tachydromia); 
Walker, List, Vol. 3, p. 508 (1849); Ins. Brit. Dipt. Vol. t, p. 122 
[1851] (Tachydromia); Zetterstedt, Dipt. Scand. Vol. 12, p. 4600 
[1855] (Tachydromia) ; Bonsdorff, Finl. tváv. Ins. Dipt. Vol. 1, p. 148 
[1861] (Tachydromia); Schiner, Fauna Austr. Dipt. Vol. t, p. 87 
(1862); Neuhaus, Dipt. March. p. 74 (1886); Strobl, Mitteil. Naturw. 
Ver. Steiermark, Graz, Vol. 29, p. 117 [1892] (Tachydromia); Mem. 
Soc. Esp. Vol. 3, p. 313 [1906] (Tachydromia); Frey, Zeitschr. Hym. 
Dipt. Vol. 7, p. 409 [1907] (Tachydromia); Medd. Soc. Sc. Fenn. 
Helsingfors, Vol. 34, p. 21 [1908] (Tachydromia); Strobl, Verh. 
(1) Platypalpus maculifemoratus, nov. sp. — Length 2 mm. Black, thorax dusted, legs including the coxee 
yellow, tarsi not annulate, middle femora marked with a black spot at the outer two-thirds of the anterior face, tibial 
spur sharp and yellow, crossveins touching. Head rather densely golden pollinose, front short and broad, face much 
widened below and silvery pruinose, palpi small and yellow, proboscis two-thirds as long as the head, reddish in front, 
otherwise black, antennz black, the third joint defective in the type specimens, vertical bristles strong and black. 
Thorax moderately covered with yellowish pollen, slightly shining, its bristles black, pleure whitish pruinose, sterno- 
and hypopleurz largely polished. Abdomen shining; the pygidium moderately small, globular, closed, not hairy; 
styles of the ovipositor slender, yellowish. Front tibiz as thick as the others, with three extensor black setz, middle 
femora moderately thickened, the pale flexor setz long on both sides, patella yellow, middle tibie two-thirds as long 
as their femora, the spur as long as the diameter ofthe tibia, tarsi becoming dark apically. Halteres yellow. Wings 
hyaline, veins pale brown, third vein slightly converging toward the fourth near the tip, crossveins forming a continuous 
line, located at two-fifths the length of the wing, second, third and fourth sections of the costa proportioned 1 : 0.7 : 
0.2, sections of the fifth vein, 0.3 : 0.6 : 1, fringe of the hind margin as long as the anterior crossvein, 
Two specimens, Tjibodas, Java, belonging to the U. S. National Museum, 
