PAGE 



HoDGKiNSON, Alexander, M.B., B.Sc— On the iridescence of chlorate 



of potash crystals ... ... ... ... ... ... ... 70 



On the colour of humming-birds 213 



On the physiological phenomena of colour sensation ... 215 



On the colours of fish 220 



On the luminosity of eyes in the dusk. ... ... ... ... .. 224 



Johnson, W. H., B.Sc. — On commercial and laboratory copper 90 



Melvill, J. Cosmo, M.A., F.L.S. — On Zisyphimis haliarchus 183 



Nasmyth, James, F.R.A.S. — Letter on an accompanying photograph 



of his original drawing of the solar surface 71 



Reynolds, Osborne, M.A., LL.D., F.R.S., President.— Notice of 



Professor Rudolph Clausius I 



On the quantity of water passed through the condensers of the " City 



of New York " Steamship ... 73 



On the recent earthquake at Manchester 184 



The death of Richard Peacock, M.P 192 



Schuster, Arthur, Ph.D., F.R.S., F.R.A.S.— On Lord Rayleigh's 



colour-mixer ... ... ... ... ... ... ... ... 220 



Springer, Alfred, Ph.D. — "On the Fermentation Theories." Com- 

 municated by William Grimshaw, Esq. 236 



Williamson, W. C, LL.D., F.R.S. — "The Permanence of Oceanic 



Basins." 33 



The Krakatoa eruption Report ... ... ... ... ... ... 41 



General Meetings 33, 73, 90, 226 



Annual General Meeting 234 



Meetings of the Microscopical and Natural History Section : — 



Annual ... ... ... ... ... ... ... ... ... 224 



Ordinary 8, 38, 70, 89, 183, 213 



Meetings of the Physical and Mathematical Section : — 



Annual 214 



Ordinary ... 



Report of the Council, April, 1889, with Obituary notices of 

 Peacock and Rudolph Clausius 



Report of the Microscopical and Natural History Section ... 



Report of the Physical and Mathematical Section 



List of the Council and Members of the Society 



... 20 

 Lichard 



... 252 

 ... 267 

 ... 214 

 ... 270 



