GENERAL INDEX. 
157 
Forbes (Mr.) on our 'present knowledge 
of the fora of China, 1887, 94 ; 1888, 
420 ; 1889, 112 
-(Principal J. D.), experimental in¬ 
quiry into the laws of the conduction 
of heat in bars, and into the conducting- 
power of wrought iron, 1865, 12 
- on the rate of increase of under¬ 
ground temperature , 1868, 510 
- report of the Committee for repeating 
the experiments of, on the thermal con¬ 
ductivity of metals, 1869, 175 > 1871, 97 
*-(Dr. L.) on the Samoan archipelago, 
1876, 183 ' 
- the geography and meteorology of 
Kansas, 1882, 625 
-notes on the territory of Arizona, 
1883, 590 
-on the anatomy and classification of 
the petrels, based upon those collected 
by H.M.S. ‘Challenger,’ 1881, 671 ; on 
a little-known cranial difference be¬ 
tween the catarrhine and platyrrhine 
monkeys, 718 ; observations on the 
incubation of the Indian python 
( Pgthon molurus), 723 
Force, J. S. Stuart Glennie on the appli¬ 
cation of the principle of the conserva¬ 
tion of, to the mechanical explanation 
of the correlation of forces, 1861, 26 
-and energy, Prof. Everett on units 
of, 1871, 29 
Forced draught, J. R. Fothergill on, 
1886, 805 
Forces directed towards fixed, or movable, 
centres, the condition which must be 
fulfilled by any number of, in order 
that any given curve should be de¬ 
scribed freely by a particle acted on 
by these forces simultaneously, A. H. 
Curtis on, and an analogous problem, 
1879, 290 
*Ford (P. H.), the Transvaal, or South 
African Republic, 1888, 745 
-(W. C.), the public land policy of 
the United States, 1886, 761 
Fordham (H. G.) on local scientific so¬ 
cieties, 1883, 318 
-on a boulder from the Chloritic Marl 
of Ashwell, Herts, 1883, 505 
- on the erratic blocks of England, 
Wales, and Ireland, 1881, 204 ; 1882, 
243 ; 1883, 136 ; 1884 , 219 ; 1885 , 322 ; 
1886, 223 ; 1887, 236 ; 1888, 101 
- on the work of the Corresponding 
Societies Committee , 1885, 708 ; 1887, 
459 ; 1888, 255 
- on the provincial museums of the 
United Kingdom, 1887, 97 ; 1888, 124 
Foreigners, Prof. Levi on the number 
and occupations of, in England, 1864, 
169 
Forest conservancy, Dr. Hugh Cleghorn 
on the distribution of the principal 
timber-trees of India, and the progress 
of, 1868, 91 
* Forest management, the future policy of, 
in the United States, F. B. Hough on 
the, 1884, 861 
- School, Major F. Bailey on the 
Indian, 1885, 1104 
-Survey, Major F. Bailey on the 
Indian, 1885, 1121 
-trees, Canadian, the distribution of, 
A. T. Drummond on, 1884, 855 
-trees, is lichen-growth detrimental 
to? Dr. W. L. Lindsay on, 1867, 87 
Forestry, W. Botly on, 1.883, 621 
* -Dr. J. B. Hurlbert on, 1884, 872 
-Exhibition, the International, Dr. C. 
Brown on, 1885, 1164 
-of the United States, A. S. Bick- 
more on the Jessop Collection, to illus¬ 
trate the, in the New York Natural 
History Museum, 1884, 778 
Forests of Canada, Dr. R. Bell on the, 
1884, 856 
-Dr. J. B. Hurlbert on the, 1884, 872 
-conservation of, in our colonies, Dr. 
W. Lauder Lindsay on the, 1867, 85 
-to hydrology, G. Lemoine on the 
relation of, 1872, 210 
-in India, Dr. Brandis on the geo¬ 
graphical distribution of, 1872, 205 
- the influence of, on the rainfall , 
1873, 488 ' 
-their value meteorologically and as 
national reserves, G. P. Hughes on, 
1884, 860 
*Forging, heavy, Lieut.-Col. Clay on ap¬ 
pliances for the production of, 1870, 
211 
Formic acid, the secretion of pure aqueous, 
by lepidopterous larvae for the purpose 
of defence, E. B. Poulton on, 1887, 765 
* -A. R. Catton on the synthesis of, 
1867, 32 
^Formosa, the ethnology of the island of, 
R. Swinhoe on, 1863, 192 
- II. Swinhoe on the aborigines of, 
1865, 129 
-Dr. Collingwood on a boat-journev 
across the north end of, from Tam-suy 
to Kelung, 1867, 113 
-islands round the north of, Dr. Col¬ 
lingwood on the geology of, 1867, 58 
-W. Hancock on North, 1883, 597 
f—A. R. Colquhoun on, 1887, 805 
t-characteristic traits of the island 
and its aboriginal inhabitants, G. 
Taylor on, 1888, 747 
fFORREST (J.), on Western Australia, 
1887, 803 
*Forster (W.) on Australian autoch- 
thony, 1880, 620 
- (Right Hon. W. E.), Address to 
the Section of Economic Science and 
Statistics, 1873, 174 
