IV 
INDEX. 
Indicating and Eecording Apparatus, The Theory of . . . 130 
Iron-turnings’ Cell, Note on the 1 
Jupp, H. B., M.A., F.R. Met. Soc. : 
Meteorological Observations as regards Temperature, taken 
at Clifton, 1881-82 42 
Ditto, ditto, 1883 140 
Ditto, ditto, 1884 . . 232 
Lepidoptera of the Bristol District, Catalogue of . . . .67 
Lithospermum Purpureo-coeruleum, Life-history of . . . . 126 
Mai^ind, Primary Divisions and Geographical Distribution of . 154 
Meetings, Report of 61, 167, 237 
Meteorological Observations as regards Temperature, taken at Clif- 
ton, 1881-82 ' . . 42 
Ditto, ditto, 1883 140 
Ditto, ditto, 1884 232 
Millstone Grit at Long Ashton, On the Mapping of . . . . 163 
Morgan, Prof. C. Lloyd, F.G.S., Assoc. R.S.M. : 
Sub-aerial Denudation and the Avon Gorge . . . 171 
On the Mapping of the Millstone Grit at Long Ashton, 
near Bristol 163 
Rainfall at Clifton in 1882 34 
„ 1883 138 
„ „ 1884 230 
„ ,, for Thirty Years 36 
Reports of Meetings 61, 157, 237 
Ridgway’s Catalogue of North American Birds (1881), Notes on , 28 
Rocks, Porosity and Density of, with regard to Water Supply . . 15 
Shaw, Prof. H. S. Hele : The Theory of certain Indicating and Re- 
cording Apparatus 130 
Smith, G. Munro, L.R.C.P., M.R.C.S, : On the Heart-beat . . 234 
Smith, Rev. F. J. : On an Ergometer for Small Electromotors . 143 
Sollas, Prof. W.J., D. Sc., F.G.S.: On the Divining Rod . . 116 
Splashes, an Apparatus for Observing 11 
Sub-aerial Denudation and the Avon Gorge 171 
Telephone, The First .45 
Thompson, Prof. Sylvanus P. : 
Recent Researches on Dynamo-Electric Generators . .151 
On the First Telephohe 45 
