223 Insccta. 
Systematic. — Diptera — D oLiOHoriDAB. 
Argyra canariensia Teneriffa p. 67, 
perplexa Europa merid. p. 71 fig., 
setulipes Rossia merid. p. 72, striaticollis 
Polonia p. 73, spp. n., Becker Nova 
Acta L.d. Ak. 104- 1918. — A. spUndida 
sp. n. Sumatra, de Meyere Bydr. 
Dierk. 21 p. 26. 
Asyndetua occidenlalis California p. 
249, longipalpis Guatemala p. 250, 
spp. n., VAN Duzee Ent. News 30. 
Campaicnemus maculatva sp. n., 
Europa mer. p. 88, Becker Nova 
Acta L.C. Ak. 104 1918. 
Chrysotus nigerrimua Asia Minor 
p. 57, nudus Tunisia p. 58, spp. n., 
Becker T.c. 
Diaphorua table of species pp. 
163-166 ; spp. n., Virginia, haaalia 
168, f. 13, viltalua p. 176, antennalua 
exico p. 169, venlralia British Hon- 
duras p. 170, adustiis Idaho, Nevada 
p. 172, gibboaua north-eastern U.S. 
p. 173; Oregon, alienua p. 176, f. 8, 
occidenlalis p. 180, f. 11, albiciliaiua 
Guatemala p. 177, quadratua Ontario 
p. 179, f. 10; California, parmatua 
p. 181, f. 1, repandua p. 183, ff. 3, 14 ; 
remulus South Dakota p. 182, f. 2, 
usitatua Oregon, Idaho p. 184, f. 4 ; 
Idaho aldrichi p. 185, f. 6 , triaiigulalua 
p. 189, f. 7, similia Pennsylvania 
p. 186, f. 6, trivittatua Florida p. 187, 
variabilis eastern U.S. p. 191, femoralua 
Louisiana p. 194, leucoatonia infuacatua 
var. n. Washington D.C., New Jersey 
p. 179, spp. n.. Van Duzee Buffalo 
Bull. Soc. Nat. Sci. 11 1915.— D. 
varifrons sp. n. Tunis p. 46, Becker 
Nova Acta L.C. Ak. 104 1918. 
Dolichopus divisua Mongolei and 
Sibirien p. 133, falcatua Sehlesien p. 
136, fusiformia Turkestan p. 138, 
griaeifaciea Sibiria p. 141, lapponicua 
Lapponia p. 141 fig. mucronatus Lap- 
ponia p. 147, nigreacena Korsika p. 148, 
nigrilamellatua Ural p. 149, spp. n., 
occuUua nom. n. for cilifemoratua 
Staeg. nec. Macq., pictitarsia Polonia 
p. 152, rufitinctua Ural p. 164, ateini 
Germania p. 157, aublimbatua Warschau 
p. 168, ayracuaanua Sicilia p. 159, 
ayriacua Syria p. 169, turkeatani Turkes- 
tan p. 161, spp. n., Becker Nova Acta 
L.C. Ak. 102 1917. — D. daayopa sp. 
n. N.W. America p. 49C, Malloch 
Rep. Canad. Arctic exp. 3C. 
Epithalaaaiua coraicanua p. 266 figs., 
caucaaicua p. 267 fig., spp. n., Becker 
Nova Acta L.C. Ak. 103 1918. — E, 
elegantulua sp. n. Royan p. 362, Villen- 
BUVE Bull. Soc. ent. France 1919 
1920 
Hercoatomua inaularnm Kanarische 
Inseln p. 221 fig., atroblianua Ungarn 
p. 237 fig., varicoloria Kaukasus p. 
238, fig., spp. n., Becker Nova Acta 
L. C. Ak. 102 1917. 
Hydrophorua, the Swedish, albo- 
aignatna sp. n. p. 16, Ringdahl Ent. 
Tidskr. 40. — H. tibetanua sp. n. Tibet 
p. 292, Becker Nova Acta L.C. 
Ak. 102 1917. — H. pilitaraia sp. n. 
Alaska p. 5lC, Malloch Rep. Canad. 
Arctic Exp. 3C. 
Medeterua longicauda Europa centr. 
p. 342, murina Kaukasus p. 343, 
aubglauca Lapponia p. 346, tertia 
Germania p. Mo fig., vagana Europa 
centr. et sept. p. 347, spp. n., Becker 
Nova Acta L.C. Ak. 102 1917.— 
M. falcatua f aimilia p. 261, novna, 
longinquua, p. 262, aeneua, cuneiformia, 
p. 263, nitidiventria, obeaua, p. 264, 
aequalia, frontalia, p. 265, diatinctvs, 
obacuripennia, p. 266, halteralia p. 267, 
viltalua, oregonenaia, p. 268, Am. bor., 
planipea, flavipea, p. 269, abruptua 
p. 270, Guatemala, spp. n.. Van Duzee 
P. Calif. Ac. 9. — M, caeruleacena 
sp. n. Illinois p. 8, larva p. 9, Mali.ooh 
Ent. News 30. 
Microlea gen. n. p. 132, mediterraneua 
sp. n. Insel Brioni und Korfu p. 133 
figs., Becker Nova Acta L.C. Ak. 
104 1918. 
Muacidideicua subg. n. of Hercoatomua 
for Dolichopua praelextatua Halid, p. 
268, Becker Nova Acta L.C. Ak. 102 
1917. 
Neurogona lo7tgipea Ural p. 309 
figs., uralenaia Ural p. 311, spp. n., 
Becker Nova Acta L.C. Ak. 103 
1918. 
Oligochaetua perplexua sp. n. Tunisia 
p. 353, Becker Nova Acta L.C. Ak. 
102 1917. 
Tachylrechua argentatua sp. n. Suma- 
tra, DE Meyere Bydr. Dierk. 21 
p. 25. 
Porphyropa hungarica Hungary p. 
220, pailopoda Wurttemberg p. 226, 
spp. n., Becker Nova Acta L.C. Ak. 
103 1918. 
