114 
GENERAL INDEX. 
of the Carboniferous rocks, Prof. W. C. 
Williamson on, 1878, 534 
Piazo compounds of primuline and de- 
hydrothiotoluidine, the action of light 
upon the : a method of photographic 
dyeing and printing, by A. G. Green, 
C. F. Cross, and E. J. Bevan, 1890, 781 
—— group, colouring matters of the, R. 
Meldola on, 1883, 455 
Diazoamido-compounds, the mixed, Drs. 
Noelting and Binder on the constit ution 
of, 1887, 643 
--: a study in chemical isomerism, 
Prof. R. Meldola on, 1890, 780 
Dibdin (Mr.) on standards of light, 1888, 
39 
Pibenzylketone, the condensation of, 
with oxalic ether, Dr. T. Ewan on, 
1890, 788 
Dichroism of the vapour of iodine, Dr. 
Andrews on the, 1871, 66 
Dickenson (Dr. W.) on the functions of 
the cerebellum, I 860 , 106 
Dickie (Dr. G.), brief summary of a re¬ 
port on the Jiora of the North of Ire¬ 
land, 1861, 240 
- on some diatoms from the inside of 
Echinus Norvegicus, 1868, 238 
Dickinson (J.) on underground temper¬ 
ature , 1877, 194 ; 1878, 178 ; 1879, 40 ; 
1880, 26 ; 1881, 90 ; 1882, 72 ; 1883, 
45 ; 1885, 93 ; 1889, 35 
Dickson (Dr. A.) exhibited an abnormal 
leaf of Primus lauro-cerasus , *1867, 81 
-on some of the principal modifica¬ 
tions of the receptacle, and their rela¬ 
tion to the ‘ insertion ’ of the leaf- 
organs of the flower, 1868, 94 
- [Prof. A.] exhibited a specimen of 
Primula sinensis, 1869, 113 
* -on the embryo of the date palm, 
1870, 115 
-- on the cones of Pinus pinaster, 
1872, 127 ; on Stigmarice from the 
fossiliferons strata at Auchentorlie, ib. 
* - on the embryogeny of certain 
species of Tropceolum, 1874 , 133; *011 
an abnormality in Chrysanthemum leu- 
canthemum, ib. 
-on an abnormality of Primula vul¬ 
garis with interpetaline lobes, 1875, 
157 ; on a monstrosity in Saxifraga 
stellaris, ib. ; *on abnormal flowers of 
Tropceolum , ib. 
-on two monstrosities of Matricaria 
inodora, 1876, 143 ; on laticiferous 
canals in fruit of Limnocharis Plumieri , 
144 
-*on the structure of the pitcher of 
Ceplialotus, 1877, 104 ; ^exhibition of a 
specimen of Pogonatum a/pinum, ib. 
,- on the stipules of Spergularia 
marina, 1878, 568 ; on the inflorescence 
of Senebiera didyma, 569 ; on the six- 
celled glands of Ceplialotus, and their 
similarity to the glands of Sarracenia 
purpurea , ib. ; exhibition of specimens 
of Isoetes echinospora, 570 
Dickson (H. N.) on the liygrometry of 
Ben Nevis, 1887, 594 
-(J. T.) on cell-theories, 1864, 122 
* - (Dr. Thompson) on vitality as a 
mode of motion, 1868, 114 
Dictyospongidae, the fossil reticulate 
sponges constituting the family, Prof. 
J. Hall on, 1884, 725 
Dicty oxylons of the Coal Measures, Prof. 
W. C. Williamson on the structure of 
the, 1871, 112 
Dicline birds (extinct), report by Prof. A. 
Newton on the, of the Mascarene Islands r 
1866, 401 ; 1867, 287 ; 1872, 23 
Didus, Edward Newton on a remarkable 
discovery of bones of, in the island of 
Rodriguez, 1865, 92 
Didymium chloride, the absorption spec¬ 
trum of, Prof. A. Schuster and T. G. 
Bailey on, 1883, 400 
- the spectra of the haloid salts of, 
by Dr. G. H. Bailey, 1890, 773 
^Dielectrics, the viscosity of, W. E. 
Ayrton and J. Perry on, 1877, 33 
-wave velocity in certain, F. T. Trou- 
ton on some experiments to determine, 
1890, 741 
Diet, George Frean on the use of milk 
and Scotch barley as an article of, 1864, 
122 
-Dr. John Davy on the effects of 
scanty and deficient, 1865, 102 
* -the racial, in India. Surgeon-Major 
Johnston on the dynamics of, 1876. 154 
Dietaries in the workhouses of England, 
and Wales, Dr. E. Smith on the, 1871, 
141 
Pietary of county prisons, on the in¬ 
equalities in the, 1861, 67 
-of the Lancashire operatives, Dr. E. 
Smith on the, 1863, 123 
-of the labouring classes, Dr. E. Smith 
on the, 1863, 123 
* -of the agricultural poor, Rev. J. 
Slatter on the, 1864. 191 
* -of the labouring classes, nutritive 
elements in the, Dr. E. Smith on, 1864, 
r 9 x 
Differential equation, a partial, connec¬ 
ted with the simplest case of Abel's 
theorem, by Prof. Cay ey, 1881, 534 
-equation, a partial, J. W. L. Glaisher 
on, 1882, 454 
- equation, Lame's , Prof. F. Linde- 
mann on, 1883, 351 
- equations, W. Spottisw r oode on 
Petzval’s asymptotic method of solving, 
1861, 10 
* -equations, W. H. L. Russell on 
linear, 1871, 23 
