106 
GENERAL INDEX. 
earth tremors similar to those now being 
made in Durham, 1888, 522 
*Darwin (G. H.) on the mechanical con¬ 
ditions of a swarm of meteorites, and 
on theories of cosmogony, 1888, 590 
.-— (H.) on the measurement of the 
lunar disturbance of gravity, 1880, 25 ; 
1881, 93 ; 1882, 95 
- on the effects of different occupations 
and employments on the physical deve¬ 
lopment of the human body , 1888, 100 ; 
1889, 186 
* Darwin and Mr. F. Galton, F. T. Mott 
on the theory of the scientific value of 
beauty in relation to the doctrines of 
Mr., 1872, 137 
Darwinian theory, A. R. Wallace on 
reversed sexual characters in a 
butterfly and their interpretation on 
the theory of modification and 
adaptive mimicry, 1866, 79 
-theory. Professeur Van Beneden sur 
les chauves-souris de l’epoque du mam- 
mouth etdel’epoque actuelle, 1871, 135 
* - theory, Prof. A. Macalister on the 
bearing of muscular anomalies on the, 
1871, 140 
Darwinism, the Rev. T. 0. Morris on 
the difficulties of, 1868, 107 ; *1869, 151 
Darwin’s theory of the origin of species, 
B. T. Lowne on type-variation and 
polymorphism in their relation to, 
1868, 104 
* -or evolution, philosophical objec¬ 
tion to, by Rev. Dr. M’Cann, 1869, 151 
*-- Rev. F. O. Morris on a double 
dilemma in, 1876, 147 
* Date-palm, the embryo of the, Prof. A. 
Dickson on, 1870, 115 
Datum level of the Ordnance Survey of 
Great Britain, report on the , with a 
view to its establishment on a surer 
foundation than, hitherto , 1877, 220 ; 
and to tabulate and compare other 
datum-marhs , 1878, 219 ; 1879, 219 
Datura stramonium and Datura tatula, 
Professor Buckman on, 1864, 87 
Daubeny (Dr. C. G. B.) on the evolution 
of ammonia from volcanoes, 1861, 77 ; 
on the functions discharged by the roots 
of plants, and on a violet peculiar to 
the calamine rocks in the neighbour¬ 
hood of Aix-la-Chapelle, 141 ; on the 
influence exerted by light on the func¬ 
tion of plants, ib. 
■ -on the last eruption of Vesuvius, 
1862, 71 
-reply to the remarks of M. F. Marcet 
on the power of selection ascribed to 
the roots of plants, 1862, 98 
-on flint implements from Abbeville 
and Amiens, 1862, 71 
* -on the thermal waters of Bath, 1864, 
26 ; on the cause of the extrication of 
carbonic acid from the interior of the 
earth, and on its chemical action upon 
the constituents of felspathic rocks, 
52 ; on the decay of species, and on 
the natural provisions for extending 
their duration, 87 
Daubeny (Dr. C. G. B.) on ozone, 1866, 
37 ; on the number of graduates in arts 
and medicine at Oxford for the last 
two centuries, 127 
Daubree (M.) on the synthesis of mete¬ 
orites, 1868, 415 
Davey (H.) on the expansion of steam 
in non-rotative pumping engines, 1880, 
697 
— — on the domestic motor, 1886, 806 
—— on expansive working in direct- 
acting pumping engines, 1887, 880 
-on a new form of air-compressor for 
variable pressures, 1888, 824 
*—— (T.) on the tobacco trade of Bristol, 
1875, 40 
Davidson (Rev. Dr. J.), the Bass of 
Inverurie, a fragment of an ancient 
alluvial bed, 1885, 1018 ; the symbol 
pillars abounding in central Aberdeen¬ 
shire, 1227 
-(T.) notes on the Brachiopoda 
hitherto obtained from the ‘ Pebble 
bed ’ of Budleigh-Salterton, near Ex¬ 
mouth, Devonshire, 1869, 88 
-on the present state of our knowledge 
in connection with the Brachiopoda, 
1872, 99 
—— on the structure of Carboniferous- 
Limestone corals, 1873, 479 
-- on the Sub- Wealden exp lor at ion, 1873, 
490 ; 1874, 21 ; 1875, 346 ; 1878, 380 
- and W. King on the genera 
Trimerella, Dinobolus , and Monome- 
rella, 1872, 100 
Davies (J. Alexander) on the production 
of colour by the prism, the passive 
mental effect or instinct in compre¬ 
hending the enlargement of the visual 
angles and other optical phenomena, 
1861, 31 
-on the causes of earthquakes and 
volcanic eruptions, 1863, 67 
-(T.), note on a preliminary exami¬ 
nation of the Middlesborough aerolite, 
1881, 302 
Davis (A. S.) on the distribution of 
cometic perihelia, 1870 , 22 
* -on a simple method of determining 
the proportion of carbonic acid in air, 
1875, 40 
--(Gordon) on the calamine deposits 
of Sardinia, 1867, 58 
• -- (Capt. J. E.) on an improvement in 
the sextant, 1873, 44 ; on the scientific 
voyage of the ‘ Challenger,’ 167 
-(J. W.) on the occurrence of certain 
fish remains in the Coal Measures, and 
