beINe DD Ee, 
[An asterisk (*) signifies that no abstract of the communication is given. ] 
BJECTS and rules of the Association, 
XXiv. 
Places and times of meeting, with names 
of officers, from commencement, xxxiv. 
List of former Presidents and Secretaries 
of Sections, xliii. 
List of evening lectures, lx. 
Lectures to the Operative Classes, Lxiii. 
Officers of Sections present at Leeds, lxiv. 
Treasurer’s account, Ixvi. 
Table showing the attendance and re- 
ceipts at the annual meetings, Ixviii. 
Officers and Council for 1889-90, lxx. 
Report of the Council to the General 
Committee at Leeds, Ixxi. 
Committees appointed by the General 
Committeeat Leeds: 1. receiving grants 
of money, Ixxix ; 2. not receiving grants 
of money, lxxxiii; other resolutions 
adopted, lxxxvi; communications or- 
dered to be printed in eatenso, ibd.; 
resolutions referred to the Council for 
consideration, and action if desirable,7d. 
Synopsis of grants of money appropriated 
to scientific purposes, Ixxxviii. 
Places of meeting in 1891 and 1892, Ixxxix. 
General statement of sums which have 
been paid on account of grants for 
scientific purposes, xc. 
General meetings, ciii. 
_ Address by the President, Sir F. A. Abel, 
, C.B., D.C.L. (Oxon.), D.Sc. (Cant.), 
F.R.S., P.P.C.S., Hon.M.Inst.C.E., 3. 
—_———_-_ 
Abel (Sir F.) on the best method of esta- 
blishing an international standard 
for the analysis of iron and steel, 262. 
Abercromby (Hon. R.) on the seasonal 
variations of temperature in lakes, rivers, 
and estuaries, 92; on meteorological 
observations on Ben Nevis, 174. 
Abrasion, a coefficient of, as an absolute 
; measure of hardness, by F. T. Trouton, 
: 757. 
1890. 
Abney (Capt.) on electrolysis in its physi- 
cal and chemical bearings, 138 ; on the 
best methods of recording the direct 
intensity of solar radiation, 144; on 
the preparation of a new series of 
wave-length tables of the spectra of 
the elements and compounds, 224; on 
the action of light on the hydracids of 
the halogens in presence of oxygen, 
263; on the absorption spectra of 
pure compounds, 339. 
Absolute resistance of mercury, R. T. 
Glazebrook on the, 136. 
*___. recent determinations of the, by 
R. T. Glazebrook, 731. 
Absorption spectra of pure compounds, 
report on the, 339. : 
Adams (Prof. W. G.) on standards for use 
in electrical measurements, 95; on the 
best means of comparing and reducing 
magnetic observations, 172. 
Adamson (S. A.) on the collection, pre- 
servation, and systematic registration 
of photographs of geological interest 
in the United Kingdom, 429. 
*Adiabatic curves for ether, gas, and 
liquid, at high temperatures, Prof. 
W. Ramsay on the, 746. 
Africa, the commercial geography of, by 
J. S. Keltie, 892. 
*___., the political partition of, by A. S. 
White, 892. 
Agricultural changes in England, the, 
during the period 1450-1650, by Prof. 
W. J. Ashley, 919. 
Ahrens (Dr. F.) on veratrin, and on the 
existence of two isomeric §-picolines, 
783. 
Air in public places of amusement, on 
the condition of the, with special 
reference to theatre hygiene, by W. H. 
Collins, 773. 
Air-bladder of clupeoid fishes, W. G. 
Ridewood on the, 446. 
Air-condensers of the British Association, 
R. T. Glazebrook on the, 102. 
, note on the, by Dr. Muirhead, 113. 
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