162 | Mr. R. McLachlan on 
OSMYLIDA. 
Sisyra vridipennis, Costa. 
Hab. Le Tarf at the Krelidj Zaora, 19th June, 1896, one 
example agreeing precisely with types from the island of 
Sardinia received from Costa. 
A species remarkable for the black head and thorax and 
shining black first and second joints of the antenne, the 
rest of the insect being pale yellowish. 
HEMEROBIID. 
Berotha eatoni, sp. n. 
Head and thorax yellowish-cinereous, densely clothed with 
cinereous hairs mixed with blackish : antenne shorter than the body, 
dull yellowish, first joint long and stout, but shorter than the head, 
slightly clavate, clothed with long blackish hairs, second joint cupuli- 
form, about twice the length of each of those succeeding which are 
very numerous and transversely moniliform ; eyes lead-coloured 
with a cinereous tinge ; face very short ; pronotum longer than broad, 
with a raised median longitudinal carina ; mesonotum varied with 
fuscous ; metanotum with a fuscous spot on each lobe: abdomen 
fuscous (discoloured ?) with long and dense cinereous hairs, the apex 
yellowish, the inturned, slightly divaricate, filiform appendages 
about one-third the length of the abdomen, yellowish, clothed with 
very long outstanding pale hairs, the tips slightly thickened and 
blackish : legs yellowish with pale hairs, a black spot on the 
trochanters externally, a ring near the base of the femora and at the 
apex of the tibie, and the tips of the tarsal joints, blackish, first tarsal 
joint longer than the others united. 
Anterior wings elongate, gradually dilated to beyond the middle, 
the apex obtuse, rounded, not excised, subcinereous, hyaline : 
neuration for the most part whitish, but closely set with deep black 
tubercles, whence arise long cinereous (blackish in certain lights) 
hairs, subcosta and radius almost entirely black ; costal margin narrow 
at the base, and then rather suddenly dilated, afterwards straight, 
with about 13 transverse costal nervules before the end of the sub- 
costa, all furcate and mostly twice forked, marked with black spots 
on the margin and with larger and more extended similar spots on 
the pterostigmatic region, the minute marginal furcations all round 
the wing marked with black spots, and there are small marginal 
tubercles between the nerve ends, the long marginal ciliations, pale, 
but blackish at the site of the black spots; the two transverse 
nervules in the area between the radius and sector, two cubital 
