410 
GENERAL INDEX. 
Symonds (Rev. W. S.) on some ancient 
Drifts and old River-beds of Siluria, 
I 860 . 74 
- report on the sedimentary deposits of 
the river Onny, 1870, 11 
-on the physical geology of the bone 
caves of the Wye, 1870, 88 
-- on the contents of a hyaena’s den on 
the Great Doward, Whitchurch, Ross, 
1871, 109 ; on a new fish-spine from 
the Lower Old Red Sandstone of Hay, 
Breconshire, no 
-on implements found in King 
Arthur’s Cave, near Whitchurch, 1871, 
109 , *160 
- on the circulation of underground 
maters , 1875, 114 
• -- on changes of climate during the 
Glacial Period, 1875, 82 
Symons (G. J.) on British rainfall, 1861, 
74 
-- on the fall of rain in the British 
Isles, 1862, 293 ; 1864, 367 ; 1865, 192 
-on the performance, under trying- 
circumstances, of a very small aneroid 
barometer, 1862, 35 
-- description of the experimental 
series of rain-gauges erected at Caine, 
1863, 26 
-- on the rainfall of the British Isles, 
1866, 281 ; 1867. 448 ; 1868, 432 ; 1869, 
383 ; 1870, 170 ; 1871, 98 ; 1872, 176 ; 
1873, 257 ; 1874, 75 ; 1875, 91 ; 1876, 
172 ( summary of previous reports') 
- - on the rate of increase of under¬ 
ground temperature, 1868, 510 ; 1869, 
176 ; 1870, 29 ; 1871, 14 ; 1872, 128 ; 
1873, 252 ; 1875, 14 , 156 ; 1876, 204 ; 
1877, 194 ; 1878, 178 ; 1879, 40 ; 1880, 
26 ; 1881, 90 ; 1882, 72 ; 1883, 45 ; 
1885, 93 ; 1889, 35 
• -exhibition of a storm rain-gauge, 
1869, 53 
-on Negretti and Zambra’s test-gauge 
solar-radiation thermometer, 1873, 47 
-on the relative sensitiveness of ther¬ 
mometers differing in size, shape, or 
materials, 1874, 41 ; on a new form of 
rain-gauge, ib. 
■ - on the rainfall in Monmouthshire 
and the Severn valley on July 14th, and 
on some subsequent floods in England 
and Wales, 1875, 31 
-*on a new form of thermometer for 
observing earth temperature, 1876, 49 ; 
on an unmistakable true north compass, 
ib. 
• -on the rainfall of Ireland, 1878, 692 
-- on the circulation of underground 
maters, 1881, 309 ; 1882, 213 ; 1883, 
114 ; 1884 , 96 ; 1885, 380 ; 1886, 235 ; 
1887 , 358 ; 1888, 145 ; 1889, 71 ; 1890, 
352 
• -on the rainfall observations made 
upon York Minster by Prof. John 
Phillips, F.R.S., 1881, 551 
Symons (G. J.) on the proposed publica¬ 
tion by the Meteorological Society of the 
Mauritius of daily synoptic charts of 
the Indian Ocean from the year 1861, 
1882, 38 ; 1883, 118 ; 1884, 32 ; 1885, 
60 ; 1887, 40 
- on local scientific societies, 1883, 318 
*-on the completion of the European 
portion of the preliminary meteorolo¬ 
gical catalogue, 1883, 414 
- on tne best methods of recording the 
direct intensity of solar radiation, 1884, 
28 ; 1885, 156 ; 1886, 63 ; 1887, 32 ; 
1889, 40 ; 1890, 144 
- on Mr. E. J. Lome's project of estab¬ 
lishing a meteorological observatory near 
Chepstom, 1884, 35 ; 1885, 64 ; 1886, 
139 ; 1887, 39 
-—— on the mork of the Corresponding 
Societies Committee. 1885, 708 ; 1886, 
285 ; 1887,459 5 1888 , 255 ; 1889, 187 ; 
1890, 55 
-what is a drought ? 1887, 869 
—— on the advisability and possibility of 
establishing in other parts of the country 
observations upon the prevalence of earth 
tremors similar to those now being made 
in Durham, 1888, 522 
- discussion on lightning conductors, 
1888, 609 
-on the arrangements for recording 
phenological phenomena, 1890, 868 
- and Rogers Field on the deter¬ 
mination of the real amount of evapora¬ 
tion from the surface of water, 1869, 
25 , *220 
-(W.) on a new marine and mountain 
barometer, 1863, 27 ; on a maximum 
thermometer with a new index, ib. ; on 
a new form of gas battery, 56 
-— on the working of underground 
railways by hydraulic power, 1864, 189 
-on an improved standard barometer, 
1865, 21 
-on a plan for railway amalgamation 
with government control, 1872, 251 
-on a new method of constructing 
carbon-cells and plates for galvanic 
batteries, 1874, 31 ; on a new method 
for the electro-chemical decomposition 
of oils and other non-conducting 
liquids, ib. ; on a cheap and convenient 
galvanic battery adapted for weak but 
continuous currents, 32 
—— on an easy method of making carbon 
cells for galvanic batteries, 1881, 557 ; 
on an antimonised cellular carbon gal¬ 
vanic battery, ib. 
-‘■'Sympathy of pendulums, Prof. Tait on, 
1872, 24 
Synapta, Dr. W. B. Herapath on the 
genus, 1864, 97 
