INDEX II. 
Steamship performance, fifth report of 
the committee on, 339; appendix, 344. 
Steel, Thomas Spencer on the manufac- 
ture of, in the northern districts, 764. 
Stevenson (J. C.), report on the chemi- 
cal manufactures of the northern dis- 
tricts, 701. 
Stewart (Balfour), report on standards 
of electrical resistance, 111; descrip- 
tion of an experimental measurement 
_of electrical resistance, 163. 
Sutherland (the Duke of), fifth report 
on steamship performance, 339, 
Tees, C. M. Palmer on the construction 
of ships and shipbuilding on the, 694. 
Temperature, Dr. A. Matthiessen on the 
variation of the electric resistance of 
alloys due to change of, 127. 
Thomson (Prof.), report on standards of 
electrical resistance, 111. 
Tyne, C. M. Palmer on the construction 
of iron ships and shipbuilding on the, 
694, 
RAR nnn 
197 
Varley (C. F.), report on standards of 
electrical resistance, 111. 
Volcanic foci, Robert Mallet on the ex- 
perimental determination of the tem- 
peratures of, 208. 
Wear, C. M. Palmer on the construction 
of ships and shipbuilding on the, 694. 
Wheatstone (Prof.), report on fog- 
signals, 105; report on standards of 
electrical resistance, 111. 
Whitworth (Joseph), report on the ap- 
plication of gun-cotton to warlike pur- 
oses, l. 
Williamson (Prof.), report on standards 
of electrical resistance, 111. 
Wright (Henry), fifth report on steam- 
ship performance, 339. 
Zine, report by T. Sopwith and T. Ri- 
chardson on the local manufacture of, 
715. 
PPD ALD PL LP PLP PPL PPP LILI PILI. 
INDEX I. 
TO 
MISCELLANEOUS COMMUNICATIONS TO THE 
SECTIONS. 
[An asterisk (*) signifies that no abstract of the communication is given. | 
ABEL (Prof.) on some results of ex- 
erimentson lucifer matches and others 
ignited by friction, 32. 
Acarus of the Anodon, R. Garner on a 
parasitical, 114. 
*Africa, North, the Rev. H. B. Tristram 
on some elucidations of the geological 
history of, supplied by its lacustrine 
fauna, 107. 
‘Agricultural population of England, 
1851-61, Frederick Purdy on the de- 
crease of the, 156. 
Air-engines and an air-compressing ap- 
paratus, J. Jameson on, 173, 
“Air-pump, J. W. Swan on a mercurial, 26. 
‘Akin (Dr. C. K.), account of preliminary 
experiments on calcescence, 11. 
-Mbalio’ onthe oxidation of beta-hexylic, 
by Prof. Wanklyn, 57. 
Alder (Joshua), descriptions of new Bri- 
tish Polyzoa, with remarks on some 
imperfectly known species, 97. 
Alexander (Stephen) on the augmenta- 
tion of the apparent diameter of a body 
by its atmospheric refraction, 3. - 
Algebraical polynomials, J. J. Walker 
on the conditions of the resolvability 
of homogeneous, into factors, 3. 
Allenheads and other lead-veins of York- 
shire, Charles Moore on the organic 
contents of the lead-veins of, 83. 
Allhusen (Lieut.-Col. Henry C.) on the 
volunteer force ; its comparative cost, 
development, present state, and pro- 
spects, 150. 
Alluvial accumulation in the valleys of 
the Somme and Ouse, R. A. C. God- 
win-Austen on the, 68, 
