GENERAL INDEX. 
115 
Differential equations of the first order 
which represent lines at infinity, Paul 
Mansion on the singular solutions of, 
1875, 19 
-equations, Rev. R. Harley on a 
certain class of linear, 1862, 4 
-equations, Rev R. Harley on certain 
linear, 1878, 466 
-equations, a theorem in linear, W. 
H. L. Russell on, 1879, 263 
* -equations, satisfied by the modular 
equations, Prof. H. J. S. Smith on the, 
1881, 535 
* -equations, a class of, Prof. Halphen 
on, 1881, 538 
* -equations, A. R. Forsyth on systems 
of simultaneous linear, 1890, 745 
■ resolvent, the explicit form of the 
complete cubic, Jlev. It. Harley on, 
1886, 439 
-resolvent, complete integral of the 
n- ic, Rev. R. Harley on the, 1887, 606 
-resolvents, Rev. Prof. R. Harley on, 
1865, 6 ; 1866, 2 ; 1873, 17 ; *1881, 565 
—— gravity meter, report of the Com¬ 
mittee for inviting designs for a good, 
1886, 141 ; 1887, 41 ; 1888, 72 ; *1889, 
504 
-holophote, T. Stevenson on a, 1871, 
37 
Diffraction, Dr. T. 0. Ward on a phenome¬ 
non connected with, 1872, 45 
* -bands near the edge of the shadow 
of an obstacle, Prof. G. F. FitzGerald 
on the, 1887, 584 
* -grating, the Draper-Rutherford, J. 
N. Lockyer on, 1873, 38 
-gratings, the Hon. J. W. Strutt on 
the application of photography to 
copy, 1872, 39 
-gratings, a machine for ruling large, 
A. Mallock on, 1882, 466 
^Diffusion of liquids, secular illustration 
of the laws of the, 1876, 35 
- rapid, of molten metals, a case 
of, Prof. W. C. Roberts on, 1883, 402 
* - of metals, Prof. W. C. Roberts on 
the, 1888, 653 , 675 
^Digastric muscle, the, its modifications 
and its functions, G. E. Dobson on, 
1881, 722 
Digestion, Dr. G. Robinson on the con¬ 
nection between the functions of res¬ 
piration and, 1861, 173 
Dilatancy of media composed of rigid 
particles in contact, Prof. O. Reynolds 
on the, 1885, 896 , *989 
Diller (J. S.) on the geology of the 
Troad, 1883, 508 
Dillon (Capt.) on the work of the An¬ 
thropometric Committee, 1878, 152 
-(J.) on the effect of river or arterial 
drainage works upon river floods, 1878 , 
687 
Dillon (J.) on an automatic sounder, 
1884, 807 ; *on flood regulators, 896 
-(T. A.) on a new ship-raising ma¬ 
chine, 1878, 713 
Diluvial soil of Brabant, &c., T. L. Phip- 
son on the, 1862, 53 
* - and alluvial deposits of Central 
Germany. Dr. K. von Seebach on, 1862, 
195 
Dimensional equations, Prof. J. Thomson 
on, 1878, 451 
Dimethylanilme, Dr. H. E. Armstrong on 
the action of sulphuric acid on ethyl- 
aniline and, 1873, 62 
Dimlington and Bridlington Glacial shell- 
beds, G. W. Lamplugh on the, 1881, 616 
Dimorphic plants, A. S. Wilson on some, 
1878, 568 
Dines (G.) on a new hygrometer, 1872, 59 
* -on the difference of rainfall with 
elevation, 1877, 38 
Dingle (Rev. J.) on the supernumerary 
bows in the rainbow, 1862, 22 
* -on specimens of flint instruments 
from North Devon, 1862, 72 
Dinitrobrombenzene, J. F. Walker on, 
1872, 85 
Binobolus, T. Davidson and Prof. W. King 
on the genera Irimerella, Monomerella, 
and, 1872, 100 
*Dinosauria of Europe and America, 
comparison of the principal forms of, 
by Prof. O. C. Marsh, 1888, 660 
-the classification of the, Prof. H. G. 
Seeley on, 1887, 698 
Dinosaurian reptile (Scelidosaurus Har- 
risoni ) from the Lower Lias of Char- 
mouth, Prof. Owen on a, 1861, 121 
-reptiles, the classification and affini¬ 
ties of, Prof. 0. C. Marsh on, 1884, 763 
* Dinotherium■, deux especes, trouvees en 
Espagne, notice du, par Prof. Vilanova, 
1887, 71 7 
Biodontopsodus, Davis, a new genus of 
fossil fishes from the Mountain Lime¬ 
stone at Richmond, in Yorkshire, J. W. 
Davis on, 1881, 646 
Bioncea muscipula, Dr. Burdon Sanderson 
on the electrical phenomena which 
accompany the contractions of the leaf 
of, 1873, 133 
* - new researches on the electrical 
phenomena consequent on irritation 
of the leaves of the, by Prof. Burdon 
Sanderson, 1876, 163 
Dioptase, Prof. Maskelyne on the locali¬ 
ties of, 1871, 74 
Dip-circle, Dr. Joule on a new, 1870, 25 ; 
1871, 48 
*Diphenyl propyl, the synthesis of, R. D. 
Silva on, 1879, 293 
*Biploxylon, Prof. W. C. Williamson on 
the structure of, a plant of the Car¬ 
boniferous rocks, 1871, 112 
I 2 
