INDEX. 
M Page 
Main, Prof. J. F., M.A., 
D.Sc., A.I.C.E., on the 
Smoke Abatement Ex- 
hibition 227 
N 
Naturalist’s Eamble in 
Guernsey 149 
Nestor Notabilis 212 
New Optical Illusions ... 1 
New Phonautograph ... 114 
P 
Pomarine Skua 71 
Prolification in Cyclamen 
Persicum 38 
E 
Eainfall at Clifton in 1879 73 
1880 159 
1881 320 
Eain, .Decrease of, with 
Elevation ... ... 303 
Eamsay, Prof., on Smell 280 
Brownian Motion 299 
Eecent Investigations on 
the Course of Storms... 140 
Eemarks on the Prepara- 
tion of a Local Flora... 97 
Eeport, Annual 76 
Eeports of Meetings 
80, 161, 322 
Eichardson C., on the Age 
of the Wye 177 
S 
Shaw, H. S. H., Assoc. 
M.I.C.E., on Wind 
Measurement 198 
Page 
Shenstone, W. A., on the 
Nature of Chemical 
Phenomena .272 
Smell 280 
Sollas, Prof., on the Struc- 
ture and Life History of 
a Sponge 20 
Swayne, S. H., On Nestor 
Notabilis 212 
T 
Thompson, Prof., on Some 
N ew Optical Illusions ... 1 
Hearing with Two 
Ears 90 
A New Phonauto- 
graph 114 
Tuckett, F. F., on the 
Diminution of the 
Human Head ... 175 
U 
Underground Tempera- 
ture 9 
V 
Volta-Electric Inversion 294 
W 
Wethered, E., F.C.S., 
F.G.S , on Underground 
Temperature 9 
Colliery Explosions 214 
White, J. W., Eemarks on 
the Preparation of a 
Local Flora 97 
