54 
the moth. The flat surface of the egg, which was the last 
to appear, is covered with a cellular structure, and has a 
yellowish brown ring round the margin, and a round spot 
of the same colour in the centre, which give the egg a very 
interesting appearance under the microscope. When the 
egg is dried, the flat surface sinks in, and becomes concave. 
The diameter of the egg is about the ^ of an inch. 
Ordinary Meeting, December 6th, 1886. 
Professor W. C. Williamson, F.R.S., President of the 
Section, in the Chair. 
Mr. Peter Cameron exhibited a Saw-fly, Blennocampa 
faliginosa, (non King) = aterrima, King,*— from 
Chobham. It has not been found in Britain since it was 
discovered 40 years ago by the present Earl of Bipon. 
Mr. J. C. Melvill, F.L.S., exhibited seven of the rarest 
and most beautiful of the Heterocera of Europe, all belong- 
ing to the family Noctuina, as follows : 
Jaspidea Gelsia (Linn.), with apple-green forewings, a 
straight brown transverse fascia or band, slightly projecting 
in the centre to enclose the orbicular stigma, and the hind 
margin with crenated brown marking; hind wings uniformly 
grey. Locality, east and north Europe, including Sweden ; 
but always rare, not occurring in this country. 
Chariclea Treiischkei (Friv). Forewings straw-coloured, 
suffused with rosy-red, with red transverse lines to the base, 
hindwings grey, with rosy fringes. Locality, Turkey and 
south Russia, allied to C. Delphinii ; a very beautiful species, 
formerly found in England, but now extinct. 
Chariclea Victorina (Sodoffsky). Wings pale, suffused 
