INDEX I. 
Hennessy (Prof. H.) on the vertical 
movements of the atmosphere con- 
sidered in connexion with storms and 
changes of weather, 165. 
Herschel (A.), report on observations of 
luminous meteors, 1 
Heywood (J.), report on technical and 
scientific evidence in courts of law, 
373. 
Higgins (Rey. H. H.), report upon the 
best means of adyancing science 
through the agency of the mercantile 
marine, 122. 
Humber, report on tidal observations on 
the, by James Oldham, John Scott 
Russell, J. F. Bateman, and Thomas 
Thompson, 101. 
Tron projectiles, W. Fairbairn on the 
mechanical properties of, at high ye- 
locities, 178. 
Jeffreys (J. Gwyn), report of the com- 
mittee for dredging in the north and 
east coasts of Scotland, 371. 
Jenkin (Fleeming), report on the stan- 
dards of electrical resistance, 125; de- 
scription of the electrical apparatus 
arranged by, for the production of 
exact copies of the standard of resist- 
ance, 159; on thermo-electric cur- 
rents in circuits of one metal, 173. 
Kew Observatory, Dr. Jacintho Antonio 
de Souza on the, 109. 
Kirchhoff (Prof.) on the standards of 
electrical resistance, 150. 
Law, courts of, report of committee on 
technical and scientific evidence in, 
373. 
Liverpool compass committee, report on 
the three reports of the, by A. Smith 
and F. J. Evans, 87. 
Lloyd (Rev. Dr.), report on the adequacy 
of existing data for carrying into effect 
the suggestion of Gauss, to apply his 
general theory of terrestrial magnetism 
to the magnetic variations, 170. 
Lubbock (John), report upon the best 
means of advancing science through 
the agency of the mercantile marine, 
122. 
McConnell (J. E.), fourth report of the 
cominittee on steamship performance, 
282. 
Matthiessen (Prof. W. H.), report on the 
standards of electrical resistance, 125; 
on the variation of the electrical re- 
197 
sistance of alloys due to change of 
temperature, 136; on the electrical 
permanency of metals and alloys, 139 ; 
on the reproduction of electrical stan- 
dards by chemical means, 141. 
Mennell (Henry T.), report of the com- 
mittee on the dredging of the North- 
umberland coastand Dogger Bank, 116. 
Metal, on thermo-electric currents in 
circuits of one, 173. 
Metals and alloys, Dr. Matthiessen on 
the electrical permanency of, 139. 
Meteors, luminous, report ,on observa- 
tions of, by J. Glaisher, R. P. Greg, 
E. W. Brayley, and A. Herschel, 1. 
, catalogue of, 2; appendix—errata, 
527. 
Miller (Prof. W. H.), report on the 
standards of electrical resistance, 125, 
Napier (the Right Hon. Joseph), report 
on technical and scientific evidence 
in courts of law, 373. 
Napier (J. R.), fourth report of the com- 
mittee on steamship performance, 282. 
Northumberland coast and Dogger Bank, 
report of the committee on the dredg- 
ing of the, by H. T. Mennell, 116. 
Numbers, Prof. H. J.S. Smith’s report on 
the theory of, 503; general theorems 
relating to composition, 503; compo-. 
sition of quadratic forms—preliminary 
lemmas, 505; Gauss’s six conclusions, 
506; solution of the problem of com- 
position, 507; composition of several 
forms, 509; composition of forms— 
method of Dirichlet, 512; composi- 
tion of classes of the same determi- 
nant, 514; comparison of the num- 
bers of classes of different orders, 
515; composition of genera, 519; de- 
termination of the number of ambigu- 
ous classes, and demonstration of the 
lawof quadratic reciprocity, 519; equa- 
lity of the number of genera and of 
ambiguous classes, 521; arrangement 
of the classes of the principal genus, 
523; arrangement of the other genera, 
524; tabulation of quadratic forms,525. 
Oldham (James), report on tidal obser- 
vations on the Humber, 101. 
Paris (Admiral E.), fourth report of the 
committee on steamship performance, 
282. 
Patterson (R.), report upon the best 
means of advancing science through 
the agency of the mercantile marine, 
122. 
