110 
GENERAL INDEX. 
Declination disturbances, wind values 
and, at the Kew Observatory, results of 
a comparison between the, by Prof. 
Balfour Stewart and W. L. Carpenter , 
1888, 28 
Decomposition, reciprocal, viewed with 
reference to time, J. H. Gladstone on, 
1870, 57 
Dee, Dr. Collingwood and Mr. Byerley's 
report of the dredging committee for the, 
1861, 188 
Deep boring for water in the New Red 
marls (Keuper marls) near Birming¬ 
ham, W. J. Harrison on a, 1886, 630 
-borings at Chatham, W. Whitaker 
on, a contribution to the deep-seated 
geology of the London basin, 1885, 1041 
-two, in Kent, supplementary note 
on, by W. Whitaker, 1886, 649 
Deep-sea researches, Capt. M. Hall on 
the employment of yachts in, 1872, 136 
- water, W. Lant Carpenter on the 
mode of collection of samples of, and 
of their analysis for dissolved gaseous 
constituents, employed on board H.M.S. 
‘ Porcupine ’ during the summers of 
1869 and 1870, 1872, 72 
- exploration in the Bay of Biscay, J. 
Gwyn Jeffreys on the French, 1880, 378 ; 
supplementary paper by Rev. A. M. 
Norman, 387 
- pressure-gauge, experiments off 
Yentnor with Mr. Johnson’s, by J. 
Glaisher, 1866, 24 
* -soundings, navigational, in a ship 
moving at high speed, Sir W. Thomson 
on, 1876, 54 
* -- tow net, W. E. Hoyle on a, 1888, 
717 
- tow-net, for opening and closing 
under water , report of the Committee 
for improving and experimenting with 
a, 1889, 1114 1890, 471 
^Definite integrals, Bierens de Haan on, 
1861, 4 
- integrals, J. IV. L. Glaisher on 
certain, 1871, 10 
-integrals, J. IV. L. Glaisher on the 
evaluation in series of certain, 1872, 15 
De Fonyielle (W.), see Fonvielle (W. 
de) 
Degeneracy of man, Rev. J. Edkins on 
the, 1874, 150 
Degeneration of race in Britain, Dr. 
Beddoe on, 1871, 148 
Deglutition, George Duncan Gibbs’s refu¬ 
tation of the view recently propounded 
that the food comes into contact with 
the vocal cords in, 1865, 107 
*De Hoesey (Capt. A.) on the Comoro 
Islands, 1864, 191 
Del any (Rev W.) on the appointment 
of H.M. inspectors of elementary 
schools, 1880, 219 
Delany (Rev. W.) on the manner in 
which rudimentary science should be 
taught, and how examinations should 
be held therein, in elementary schools , 
1881, 148 
- on the worhings of the proposed re¬ 
vised New Code, and of other legislation 
affecting the teaching of science in 
elementary schools, 1882, 307 ; 1883, 309 
De la Rive (L.) on composition of sen¬ 
sation and notion of space, 1888, 585 
De la Rue (Warren), report on the pro¬ 
gress of celestial photography since the 
Aberdeen Meeting, 1861, 94 
- on mapping the surface of the moon, 
1865, 286 ; 1866, 214 ; 1867, 1 ; 1868, 
1 ; 1869, 76 
- on tidal observations, 1868, 489 : 
1869, 76 ; 1870, 120 
- Address to the Mathematical and 
Physical Section, 1872, 1 
-- on science lectures and organisa¬ 
tion, 1873, 507 
- on preparing and printing tables of 
wave-numbers , 1874, 241 
- on the oscillation-frequencies of solar 
rays, 1878, 37 
-notice by R. H. Scott of an anemo¬ 
meter designed by, to furnish infor¬ 
mation of the occurrence of strong 
winds, 1874, 37 
Delesse’s (M.) work, entitled ‘Litho- 
logie du fond des Mers,’ J. G. Jeffreys 
on submarine explorations with refer¬ 
ence to, 1872, 115 
Delffs (Dr. W.) on morin, and the non¬ 
existence of morotannic acid, 1861 , 78 
-on sorbit, 1871,69: on the detec¬ 
tion of morphine by iodic acid, ib. 
*-on an aspirator, 1874, 57 
Delgovitia, a probable site of, T. R. 
Mortimer on, 1890, 9 S 0 
* Delphinus albirostris, Dr. D. J. Cun¬ 
ningham on, 1876, 146 
De Meschin (Dr. T.) *on the impolicy, 
on economic grounds, of converting 
the national debt into terminable 
annuities, 1870, 196 ; *on the compul¬ 
sory conversion of substantial lease¬ 
holds in towns into freeholds, ib. 
Democritus and Lucretius, T. M. Lind¬ 
say and IV. R. Smith on, a question of 
priority in the kinetical theory of 
matter. 1871, 30 
Denbighshire, part of, and Flintshire, 
the Mountain Limestone of, G. H. 
Morton on, 1870, 82 
-the discovery of platycnemic men 
in, W. Boyd Dawkins and G. Busk on, 
1870, 148 
Dendroidal forms assumed by minerals, 
Dr. Heaton on, 1869, 127 
*Dexdy (W. C.) on the primitive status 
of man, 1869, 130 
