856 General Notes. 
which I observed did not, however, resume the dark-browi 
color, but remained of a uniform pale-cream color, lighter on 
sides, under parts, and between the segments of the dorsum, 
Occasionally during the adult state the one which I kept 
through the winter showed signs of luminosity on the pr 
thoracic segment, but mainly shone as represented in Fig. i 
The other one exhibited no sign of luminosity on the pro-am 
meso-thoracic segments. Otherwise it was like Fig. 1. Pre 
tennæ plumose, and half, or more than half, as long as the body. 
ZOOLOGY. 
The Irish Marine Fauna.—The Proceedings of the Royal [rst l 
Academy (vol. iv. of the second series) contains two prelim | 
reports on the marine fauna of Ireland. One is by Pro 5 
Haddon, and treats of the fauna of Dublin Bay. The g 
the report of the Committee on the Marine Fauna, of So 4 
western Ireland, and gives an account of their explorations, d 
different groups being treated by specialists, in a manner an : 
to that adopted by the Liverpool committee. There is zr fe 
room for similar work on the American shores, but the P 
centralization adopted by the United States Fish Commissio® a 
a discouraging effect. 4 
Von Lendenfeld on Sponges.—Dr. R. von Lendenfeld e 
extensive paper on the “ Position and Classification . Reet | 
oc and organs developed from the cel oa 
Shiv fe cand mesoderm. No movable appends vid r 
folo bi ut a single class, Spongiæ, which is g 
—— Entomologist, vol. iii.; new series, vol. i.» 1880, P: we : 
? 
