THE CANADIAN ENTOMOLOGIST. 333
Scale cone-shaped, with radiating ridges ; antennae
5-jointed Edtvallia, Hempel.
Scale convex, but not cone-shaped ; not divided at all, but rough or
beset with protuberances ; antenna? 7 or 8-jointed 7.
7. Natives ot the arid region of N. America Ceroplastodes, Ckll. 1893.
Native of India Ceroplastodes cajani (Maskell).*
8. Quite flat, circular, with the glassy covering in two parts, divided longi-
tudinally in the middle line; glassy covering with rows of air-cells
as in Inglisia Platinglisia, Ckll., 1 899.
Moderately convex, with the glassy covering in two parts, divided
longitudinally, each part with a low eminence, from which lines
radiate Schizochlamidia, Ckll., ined.
Very convex, with conical protuberances ; glassy covering without
rows of air-cells Pseudokermes, Ckll., 1 895.
(To be continued.)
NEW GENERA AND SPECIES OF NYCTERIBID.E AND
HIPPOBOSCID^.
BY D. W. COQUILLETT, WASHINGTON, D. C.
Pterellipsis, n. gen.
BioStor
