The following papers and communications have been read 
at the Ordinary and Sectional Meetings of the Society 
during the session : — 
October 1 bth, 1878 — “On a Eucalyptus globulous,” by E. W. 
Binney, F.R.S., F.G.S. 
“ Relative Brightness of the Planets Venus and Mercury,” by 
James Nasmyth, C.E., F.R.A.S., Corresponding Member of the 
Society. 
“ On the Water of Thirlmere,” by Harry Grimshaw, F.C.S., and 
Clifford Grimshaw. 
October 29 th, 1878. — “Note on certain Thionates,” by E, J. 
Be van, Student in the Owens College. Communicated by Professor 
H. E. Roscoe, F.R.S., &c. 
“The Use of the Opercula in the Determination of the Cheilo- 
stomatous Bryozoa,” by Arthur Wm. Waters, F.G.S. 
“On some Improved Methods of Producing and Regulating 
Electric Light,” by Henry Wilde, Esq. 
November 4 th , 1878. — “An Account of three visits to the 
Breidden Hills, Montgomeryshire, North Wales, in May, June, and 
July, 1877,” by J. Cosmo Melvill, F.L.S. 
November 12th , 1878. — “Remarks on a Fossil Plant found at 
Laxey, in the Isle of Man,” by E. W. Binney, F.R.S., F.G.S. 
November 2 6th, 1878. — “On some Improved Methods of Pro- 
ducing and Regulating Electric Light,” Part II, by Henry Wilde, 
Esq. 
December 2nd , 1878.— “A Preliminary Abstract of an Investi- 
gation of the Nervous System of Cyclops,” by Marcus M. Hartog, 
F.L.S. 
December 10 th, 1878. — “On the Combinations of Aurin with 
Mineral Acids,” by R. S. Dale, B.A., and C. Schorlemmer, F.R.S. 
“ On the Estimation of Small Excesses of Weight by the Balance 
from the Time of Vibration and the Angular Deflection of the 
Beam,” by J. H. Poynting, B.A., B.Sc. 
December 24 th, 1878. — “Note on the Intensity of Moonlight,” by 
Harry Grimshaw, F.C.S. 
January *lth, 1879. — “On Boulders of Clay from the Drift,” by 
E. W. Binney, F.R.S., F.G.S. 
