1924 ] 
On the Genus Halohates 
115 
posterior tibia nearly half as long as femur, tarsus about one- 
fourth as long as tibia. Abdomen black above, pale brown 
beneath. 
Length of body: 4 mm. 
Holotype, 9 , Masaru, near Saseho, Province of Hizen, 
Japan, on the coast of East China Sea, June 11, 1922 (Mr. 
Yanagiwara). Type in my collection. 
The nearest ally of this species is Halohates apicalis n. sp., 
which is much smaller. These two species are separated from 
the rest of the genus in having very short first tarsal joint. 
Halohates japonicus sp. nov. (Fig. B). 
Body black, slightly suffused with ashy gray. Head black 
with two oblique brown spots near the posterior margin; eye 
moderately projected, brownish. Antenna black with the apex 
of the last joint brownish, not longer than the body, first joint 
subequal in length to the other three joints put together, second 
and fourth joints nearly equal, third joint much shorter than 
others. Rostrum black scarcely passing the anterior coxa. 
Pronotum black, moderately sinuate along anterior and posterior 
margins, somewhat elevated at the center. Meso- and metanotum 
black, moderately convex. Prosternum pale brown. Anterior 
leg black, coxa blackish brown, with pale brown apex; trochanter 
blackish brown, paler toward apex and base, with a small black 
spine at the apex; femur very thick in the male; tibia black with 
the inner surface more or less brownish, shorter than femur, the 
apical spine angular but not sharply pointed; tarsus black with 
the first joint shorter than the second, which is furnished with 
claws near the base. Intermediate and posterior legs black, 
femora gradually tapering toward the apex; tibiae much shorter 
and thinner than femora. Intermediate tibia about two-thirds 
the length of femur, furnished with a fringe of long hairs along 
the apical two-thirds; first intermediate tarsal joint almost 
three times as long as the second, with a similar fringe of hairs. 
First posterior tarsal joint about three-fifth as long as the second, 
the latter with claws at the middle. Abdomen black, more or 
