175 
October P.lst, 1879. — “Notes on some Fossils from the Iron 
Mines of Furness,” by E. W. Binney, V.P., F.R.S., F.G.S* 
“ On the ‘ Differential Calculus ’ of Du Bourgiiet,” by Sir 
James Cockle, F.R.S., Corresponding Member of the Society. 
November Jfth, 1879. — “Screw Propulsion, Part IL,” by Robert 
Rawson, Assoc. I.N.A., Hon. Member of the Manchester Literary 
and Philosophical Society, Member of the Mathematical Society. 
November lOth^ 1879. — “Additional Note on Hydra,” by Marcus 
M. Hartog, M.A., B.Sc., F.L.S. 
“On an Undescribed Acinetan,” by Marcus M. Hartog, M.A., 
B.Sc., F.L.S. 
November 18th, 1879. — “On the Meteor of November 11th, 
1879,” by E. W. Binney, V.P., F.R.S. 
“Recording Sunshine,” by David Winstanley, F.R.A.S. 
“ On Some Notices in Classical Authors of the Action of Sun 
light on Purple Dye,” by James Bottomley, D.Sc., F.C.S. 
“ On Specimens of Ophioglussum Yulgatum var. Ambigium,” by 
Charles Bailey, F.L.S. 
“ On the Origin of the word Chemistry,” by Carl Schorlemmer, 
F.R.S. 
December "2nd, 1879. — “ On a Peculiar Feature in the Water of 
the Well in Carisbrooke Castle, Isle of Wight,” by Harry Grim- 
shaw, F.C.S. 
“Note on the Identity of the Spectra obtained from the 
different Allotropic Forms of Carbon,” by Arthur Schuster, Ph.D., 
F.R.S,, and H. E. Roscoe, LL.D., F.R.S. 
“ On Photographs of the ultra red portions of the Solar 
Spectrum,” by Captain Abney, R.E., F.R.S. 
December 16th, 1879. — “ On a New Form of Marine Rain 
Gauge,” by W. J. Black, Esq. Communicated by J. B. Dancer, 
F.R.A.S. 
“ On Screw Propulsion, Part III.”, by Robert Raw^son, Assoc. 
I.N.A., Hon. Member of the Manchester Literary and Philosophical 
Society, Member of the Mathematical Society. 
“ On the Anal Respiration of the Copepoda,” by Marcus M 
Hartog, M.A., B.Sc., F.L.S. 
