GENERAL INDEX. 
O ** 00 
*Roberts (W. Chandler) on a curve 
illustrating the British gold coinage, 
1872, 82 
- on the method of making gold assays , 
and of stating the results thereof ', 1873, 
219 ; 1874, 127 ; 1875, 155 
* -on horn silver, 1873, 66 
-on the columnar form of basalt, 
1874, 91 
—— on some double compounds of nichel 
and cohalt, 1877, 209 ; on the conditions 
under which liquid carbonic acid exists 
in rocks and minerals, 232 
-- on the chemistry of some of the lesser- 
known alkaloids, especially veratria and 
bebeerine, ISIS, 105 ; 1879,133 
-on the detection by means of the 
microphone of sounds which accompany 
the diffusion of gases through a thin 
septum, 1878, 517 
-some experiments with the voltaic 
induction balance, 1879, 303 
- on the present state of our knowledge 
of spectrum analysis , 1880, 258 ; 1881, 
317 ; 1882, 130 ; 1884, 295 
-on a case of rapid diffusion of molten 
metals, 1883, 402 ; on the mobility of 
gold and silver in molten lead, 464 
-*on the diffusion of metals, 1884, 
653, 675 
[Robe rts-Austen, Prof. W. C.] on electro¬ 
lysis in its physical and chemical bear¬ 
ings, 1886, 308 ; 1887, 336 ; 1888, 339 ; 
1889, 223 ; 1890, 138 
- on the influence of silicon on the 
properties of steel, 1887. 43 ; 1888, 69 ; 
1889, 267 ; 1890, 262 
-- experiments on the possible electro¬ 
lytic decomposition of certain alloys, 
1887, 341 ; on the endurance of metals 
under repeated and varying stresses, 
and the proper working stresses on rail¬ 
way bridges, fyc., 424 
- on the best method of establishing 
international standards for the analysis 
of iron and steel, 1889, 50 ; 1890, 262 ; 
on the bibliography of spectroscopy, 
1889, 344 ; 1890, 261 
-and T. Wrightson on the density 
of fluid bismuth, 1880, 543 
* - and T. Wrightson on the fluid 
density of certain metals, 1881, 582 
Roberts (W. R.) on the periods of the first 
class of hyperelliptic integrals, 1880,485 
Roberts’s patent communicator for rail¬ 
way trains, W. R. Browne on, 1875, 243 
^Robertson (A.), statistics of the social 
condition of Dundee, 1867, 145 
- (Charles) on the cervical and 
occipital vertebras of osseous fishes, 
1861, 172 
-(David), list of Foraminifera from 
the south coast of Devon and Cornwall, 
1869, 91 
Robertson (David) on dredging off the 
coasts of Durham and North Yorkshire, 
1874, 268 ; 1875, 185 
-(James) on the manufacture of metal 
tubes, 1886, 810 
* -(John) on the perforating instru¬ 
ments of Pholas Candida, 1872, 140 
Robins (Thomas), observations on crimi¬ 
nals, 1863, 166 
Robinson (Dr. George) on the connection 
between the functions of respiration 
and digestion, 1861, 173 
-on the study of the circulation of 
the blood, 1862, 134 
-on the practicability of arresting the 
development of epidemic disease by 
the internal use of antizymotic agents, 
1863, 119 ; on the nature and varieties 
of organic effluvia, 120 
-on certain effects of the concentrated 
solar rays upon the tissues of living 
animals immersed in water, 1867, 103 
* -(H.) on a redetermination of the 
atomic weight of cerium, 1884, 681 
-on the colour of the oxides of 
cerium and on its atomic weight, 1886, 
591 
-(Sir Hercules) letter from, relating 
to the journey of Major Sarel, Capt. 
Blakiston, Dr. Barton, and another, who 
are endeavouring to pass from China to 
the North of India, 1861, 196 
-(John) on the application of work¬ 
shop tools to the construction of steam- 
engines and other machinery, 1861, 264 
* - on an improved manufacture of 
biscuits, 1863, 183 
-on some developments of and im¬ 
provements in Giffard’s injector, 1865, 
186 
- on a uniformity of weights and 
measures, 1868, 484 ; 1869, 308 ; 1870, 
232 ; 1871, 198 
-- Address to the Mechanical Section. 
1879, 495 
-(Rev. Dr. T. R.), report of the Com¬ 
mittee onfog-signals, 1863, 105 
- report on the uniformity of weights 
and measures, 1864, 102 ; 1865, 375 ; 
1866, 352 
- report on the transmission of sound 
under water, 1865, 192 ; 1866 , 212 ; on 
meteorological and physical observations 
in three balloon ascents made in 1865 
and 1866, 1866, 367 
- on tidal observations, 1868,489 ; 1870. 
120 
-on the appearance of the nebula in 
Argo as seen in the great Melbourne 
telescope, 1869, 20 
-(W. B.) on the effect of alcohol in 
drinks on length of human life, 1883, 
620 
Rochdale, the Rev. W. N. Molesworth on 
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