GENERAL INDEX. 
♦Waters, river and lake, J. A. Wanklyn 
on the existence of putrescible matter 
in, 1867, 47 
Waterspouts, whirlwinds and, Prof. J. 
Thomson on, 1881, 641 
Waterworks, Bradford, Charles Gott on 
the, 1873, 451 
- Brighton, E. Easton on the, 1872, 
395 
- at Goldstone Road, Brighton, W. 
Whitaker on the, 1885, 1041 
- Newcastle and Gateshead, D. D. 
Main on the, 1863, 175 
Watherston (E. J.) on Societies of 
commercial geography, 1881, 748 ; on 
the progress of British commerce in a 
generation, 763 
- on the appropriation of wages and 
other sources of income, 1882, 297 
-on railways : a plea for unity of ad¬ 
ministration, 1882, 643 
-—— on technical education : the form it 
should take, 1887,844 
* - on the industrial education of 
women abroad and at home, 1888, 771 
--on manual, or some form of techni¬ 
cal instruction a necessary element of 
a compulsory system of education, 
1889, 712 
Watkin (F. W.), apparatus for measuring 
the volume of gas evolved in various 
chemical actions, with or without the 
application of heat, with proposed ex¬ 
tension to organic analysis, and to the 
continuous determination of abnormal 
vapour densities, 1887, 650 
Watson (Rev. H. W f on the promotion 
of the study of geography, 1887, 158 
-(Sir J.) on improving the sanitary 
condition of large towns, 1877, 182 
-how to meet the requirements of 
population displaced by the Artisans’ 
Dwellings Act, 1878, 658 
* -(Dr. M.) on the anatomy of the 
thoracic viscera of the elephant, 1871, 
144 
f-on the anatomy and physiology of 
the Indian elephant, 1873, 134 
-(Rev. R. B.), notes on dredging at 
Madeira, 1871, * 137 , 242 
-(Dr. R. S.) on the difficulties of arbi¬ 
tration, 1889, 707 
-(W.) on the chasm called the Black 
Rock of Kiltearn, 1885, 1018 
- (W. H.) on the action of various 
fatty oils upon copper, 1877, 53 
-on the detection of milk adultera¬ 
tion, 1879, 322 
- on the action of oils on metals, 
1880, 560 
t- (Major), trade prospects with the 
Sudan, 1887, 801 
♦Watt and Horse-Power, W. H. Preece 
on the, 1884, 893 
44 9 
Watt (A.) on an electro-centrifugal ma¬ 
chine for laboratory use, 1885, 991 
- (W.) on the statistics and some 
points in the economics of the Scottish 
fisheries, 1885, 1175 
Watts (Dr. J.) on strikes, 1861, 249 
♦ - on the practicability of a division of 
the employer's profits amongst the work¬ 
people, 1862, 196 
♦ -(Dr. J.) on pyrocatechin as a deriva¬ 
tive of certain varieties of tannic acid, 
1877, 53 
-on Muntz and Ramspacher’s appara¬ 
tus for the estimation of tannic acid, 
1875, 46 
-(N.), miners’ electric safety-lamps, 
1888, 816 
-(W. M.) on two spectra of carbon 
existing at the same temperature, 1870, 
44 
- on the teaching of physics in schools, 
1874, 71 ; on preparing and printing 
tables of reave-numbers, 241 
- on the oscillation-frequencies of 
solar rays , 1878, 37 
- on the present state of our knowledge 
of spectrum analysis, 1880 , 258 ; 1881, 
317 ; 1882, 120 ; 1884,295 
- on wave-length tables of the spectra 
of the elements and compounds, 1882, 
144 ; 1884, 351 ; 1885 , 288 ; 1886, 167 ; 
*1887, 624 ; 1890, 224 
-(W. W.) on the Corndon laccolites, 
1886, 670 
-on a Shropshire picrite, 1887, 700 
-on an igneous succession in Shrop¬ 
shire, 1888, 685 
*—-- exhibition of specimens of belem- 
nites from Luckmanier, 1889, 571 
-on the geology of the Long Moun¬ 
tain, on the Welsh borders, 1890, 817 
♦Waugh (A.) on the spectrum of 
polarised light, 1864, 191 
- (Gen. Sir Andrew) on the desir¬ 
ability of an exploration being made of 
the district between the Brahmaputra , 
the Upper Irawadi , and the Yang-tse- 
Kiang, 1868, 430 
- on the larvs of the flow and action of 
water containing solid matter in suspen¬ 
sion, 1869, 402 
♦ -(J.) on the prevention of incrusta¬ 
tion in steam-boilers, 1873, 219 
Wave-action at a depth of forty fathoms 
in the English Channel, evidence of, 
A. R. Hunt on, 1882, 535 
♦ -apparatus for lecture purposes, to 
illustrate Fresnel’s conception of 
polarised light, C. J. Woodward on a, 
(♦1877, 43)5 1881, 563 
♦ - disturbances in the ether, the 
possibility of originating, by electro¬ 
magnetic forces, G. F. FitzGerald on, 
1880, 497 
