TABLE OF CONTENTS. 
NEW SERIES, VOL. III., PART III. 
On the Gradual Diminution of the Human Head. By F. 
F. Tuckett and Dr. Beddoe, F.R.S. 
The Age of the Wye. By Charles Richardson 
Some Remarks on the Method of Wind Measurement. By 
H. S. Hele Shaw, Assoc. M. Inst. C.E 
On Nestor Notabilis. By S. H. Swayne 
Collierj^ Explosions. By E. Wethered, F.G.S., F.C.S. 
On the Smoke Abatement Exhibition. By Prof. J. F. Main, 
M.A., D.Sc., A.I.C.E 
Catalogue of the Lepidoptera of the Bristol District. Part 
V. By Alfred E. Hudd, M.E.S 
The Fungi of the Bristol District. Part V. By Cedric 
Bucknall, Mus. Bac. 
Our Knowledge of the Nature of Chemical Phenomena. 
By W. A. Shenstone 
On Smell. By Professor Ramsay, Ph.D. 
On Volta-Electric Inversion. By Professor Sylvanus P. 
Thompson, B.A., D.Sc 
On Brownian or Pedetic Motion. By Prof. Ramsay, Ph.D. 
On the Decrease of Rain with Elevation. By George F. 
Burder, M.D., F.M.S. 
Rainfall at Clifton in 1881. By George F. Burder, M.D., 
F.M.S. 
Reports of Meetings 
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243 
262 
272 
280 
294 
299 
303 
320 
322 
