335 
habit damp places were walking, one male and one fe- 
male were taken with a few minutes interval on the 
ground amongst the low plants. From the locality where 
these two specimens were taken, there is no reason why 
the host in this case should not also be a dragon-fly 
similar to the American species later on mentioned. 
Denmark. Germany. England. 
Date: 2”/, 1903. 
Specimens 5 Q in Zoological Museum, Copenhagen. 
Brachista nigra. nov. spec. 
Female. Black. Head with single black and strong 
hairs. Face with one row of fine black hairs at the in- 
ner edge of each eye. Club of equal length to the sca- 
pus, apical club joint longer than Ist and 2nd. Funiculus 
as long as first or second club joint. Joints of abdomen 
with coarse chitinised vertical striae (as in Chaetostricha 
pulchra) and with single spread stout hairs. Ovipositor un- 
common stout] and thick; the inner two thirds curved to fit 
the rounding of the abdomen, the outer third straight. 
Saw with four teeth. Ovipositor with reticulated surface. 
Length of thorax one third of the length of abdomen. 
Abdomen stout and broad. 
Length: female 1,05 mm. 
Denmark. Dyrehaven. 
Dates 26/,—27/, 1918. 
Types, two females, in Zoological Museum, Copen- 
hagen. 
I succeeded at last this summer after several years 
anxious search for more species of Brachista, to find 
this species, Brachista nigra, 2 females, at the little pond 
West of Fuglesangssgen in Dyrehaven by sweeping over a 
swampy ditch. I brought the specimens home alive and 
thus had an opportunity to make some observations as to 
their behaviour to the water, 
