1921] Alexander: Japanese Crane-Flies. II 131 
of the knobs dark brown. Legs with the cox dark gray; trochanters 
yellowish; femora and tibize yellowish, broadly tipped with dark brown; 
tarsi dark brown. Wings whitish subhyaline, variegated with light 
and dark brown; base of the wing, costal and subcostal cells more 
yellowish; stigma dark brown, this marking extending onto the fork of 
Rs; the white areas appear as a zigzag crossband beyond the wing-base, 
extending from cell R to the posterior margin of the wing in cell 2nd A; 
an oblique line in cell M near midlength of the cell; a conspicuous white 
band beyond the cord; cells Ri and R; largely whitish subhyaline; veins 
dark brown. Venation: Tip of Re preserved. 
Abdomen with the basal five segments light reddish brown, the first 
segment more grayish laterally; segments six to nine dark brown, 
appearing as a subterminal dark ring; hypopygium more or less pale 
apically. Male hypopygium as in T. centralis Lw. and allied forms; 
.ninth tergite appearing as a heavily chitinized saucer, the posterior 
lateral angles jutting caudad and dorsad as subacute blades; from each 
of these blades a narrow, oblique black ridge extends proximad near 
the median line deflected towards the caudal margin of the sclerite and 
becoming obsolete; anterior margin of the saucer a high ridge with a 
low, obtuse elevation near each end. 
Female larger and much ‘heavier bodied than the male. Lateral 
margins of the tergites narrowly pale. Ovipositor of the arctica type, 
the five basal teeth subacute, the outer teeth fused into a sinuous blade. 
Habitat: Japan. Holotype, #, Maruyama, Sapporo, June 
1, 1919 (S. Kuwayama).-. Allotype, 9, Sapporo, 1916. Para- 
type, o', sapporo, 1916. 
This interesting fly is named in honor of its discoverer. 
Nephrotoma Meigen. 
Nephrotoma stygia sp. n. 
General coloration shiny black; vertical tubercle orange; pleura with 
a whitish yellow spot before the base of the halteres and on the dorso- 
pleural membrane; halteres yellow; femora yellow with the tips black- 
ened, broadest on the fore legs, narrowest on the posterior legs; wings 
hyaline, stigma dark brown, a narrow brown seam along the cord; . 
abdomen entirely black. 
Male—Length about 12 mm.; wing, 10.5 mm. Female—Length, 
15 mm.; wing, 11.5 mm. 
Frontal prolongation of the head shiny black; palpi black. Antennz 
with the scapal segments reddish brown; first flagellar segment dark 
brown; remaining flagellar segments obscure brownish yellow, on the 
‘terminal segments passing into brown. In the female, the flagellar 
segments are uniformly brownish black. Head black, the vertical 
tubercle conspicuous, orange. 
Pronotum black, the lateral margins of the scutellum yellow, con- 
fluent with the dorsal pleural spot. Mesonotum entirely shiny black. 
