194 
Bell (Isaac Lowthian), report on the 
manufacture of iron in connexion with 
the Northumberland and Durham coal- 
field, 730. 
Brayley (E. W.), report on observations 
of luminous meteors, 1862-63, 209. 
Bright (Sir C.), report on standards of 
electrical resistance, 111. 
Caithness (the Earl of), fifth report on 
steamship performance, 339. ‘ 
Carpenter (Philip P.), supplementary 
report on the present state of our 
knowledge with regard to the mol- 
lusca of the west coast of North Ame- 
rica, 517. 
Chemical manufactures of the northern 
districts, report on the, by Thomas 
Richardson, J. C. Stevenson, and R. 
C. Clapham, 701. 
Clapham (R. C.) on the chemical manu- 
“~ factures of the northern districts, 701. 
Coal-field, Isaac Lowthian Bell on the 
manufacture of iron in connexion with 
the Northumberland and Durham, 730, 
Copper, report by T. Sopwith and T. 
ichardson on the local manufacture 
of, 715. 
Cumberland, Pvt of lead ore, lead, 
a silver for ten years ended 1862, 
Daglish (John), report on the magnesian 
limestone of Durham, 726. 
Donegal, report of a committee on the 
chemical and mineralogical constitu- 
tion of the granites of, and of the rocks 
associated with them, 48. 
Dredging on the coasts of Shetland, J. G. 
Jettreys’s report on, 70. 
Dublin and Holyhead Company’s steam- 
ships, on the performance of the, 344. 
Dufferin (the Lord), fifth report on steam- 
ship performance, 339. 
Durham and Northumberland, produce 
of lead ore, lead, and silver for the ten 
years ended 1862, 721. 
Durham, John Daglish on the magnesian 
limestone of, 726. 
Egerton (the Hon. Capt.), fifth report on 
steamship performance, 339. 
Electric phewatiena, on the measure- 
ment of, by their electromagnetic 
effects, 136; by statical effects, 148, 
Electrical measurements, Prof. J. C. 
Maxwell and Fleeming Jenkin on the 
elementary relations between, 130. 
—— measurements derived'from the five 
elementary measurements, 154. 
REPORT—1868. 
Electrical permanency of metals and 
alloys, Dr. A. Matthiessen on the, 
124, 
resistance, report of the committee 
on standards of, 111. 
resistance, description of an expe- 
rimental measurement of, by Prof. 
J. C. Maxwell and Messrs. Balfour 
Stewart and Fleeming Jenkin, 163; 
method employed, 163; apparatus, 
164 ; mathematical theory of the ex- 
periment, 168; details of the experi- 
ments, 171. 
Ellis (the Hon. Leopold), fifth report on 
steamship performance, 339. 
Esselbach (Dr.), report on standards of 
electrical resistance, 111. 
Fairbairn (W.), report on the application 
of gun-cotton to warlike purposes, 1 ; 
fifth report on steamship perform- 
ance, 339. 
Felspathic solution, influence of the, on 
the structure of some Cambrian rocks, 
207. 
Bi oe the Rey. Dr. Robinson on, 
105. 
Foods, Dr. Edward Smith on the, used 
by the free and jail populations of 
India, 176. 
Frankland (Prof. E.), report on the ap- 
plication of gun-cotton to warlike pur- 
poses, 1. 
Gages (M. Alphonse), synthetical re- 
searches on the formation of minerals, 
203. 
Gibb (Dr. G. D.), report on the physio- 
logical effects of the bromide of am- 
monium, 81. 
Gifford (the Earl of), fifth report on 
steamship performance, 339. 
Gladstone (Dr. J. H.), report on the ap- 
plication of gun-cotton to warlike = 
poses, 1; report on fog-signals, 105. 
Glaisher (James), report on observations 
of luminous meteors, 1862-63, 209; 
an account of meteorological and phy- 
sical observations in five balloon as- 
cents in the year 1863, 426. 
Gonophore, Prof. Allman on the mor- 
phology of the, 360. 
Granites of Donegal, report of a com- 
mittee on the chemical and minera- 
logical constitution of the, and of the 
rocks associated with them, 48. 
Greg (Robert P.), report on observations 
of luminous meteors, 1862-63, 209. 
Griffith (Sir R., Bart.), report on the 
chemical and mineralogical constitu- 
