GENERAL INDEX. 
163 
*Fritsch (Dr. A.) on some models of 
Foraminifera, 1862, 72 
--on Labyrinthodont remains from the 
Upper Carboniferous (gas-coal) of 
Bohemia, 1876, 89 
-on the Permian fauna of Bohemia, 
1887, 716 
-restorations of the Palaeozoic elasmo- 
branch genera Pleuracanthus and 
Xenacanthus , 1890, 822 
*Fritsche (D.), notes on structural 
changes in block tin, 1869, 67 
Frog’s heart, the direct action of anaesthe¬ 
tics on the, J. McGregor-Robertson on, 
1885, 1057 
--ovum, the nucleus in the, Dr. G. 
Thin on, 1885, 1069 
- vertebral column, some abnor¬ 
malities in, Prof. Howes on, 1886, 
692 
*Frossard (M. Emilion), Sir W. Jones 
on cavern explorations by, in the 
Vall6e de Campan, Hautes-Pyr6n6es, 
France, 1874, 88 
Frost, Prof. J. Thomson’s observations 
on water in, rising against gravity 
rather than freezing in the pores of 
the earth, 1871, 34 
Frosts of 1860-1 and of 1878-9, compa¬ 
rison of the effects of the, by E. J. 
Lowe, 1879, 377 
Froude (R. E.) on the hydraulic inter¬ 
nal scraping of the Torquay water- 
main, 1869, 210 
- report on, the pressure log used in the 
trials of H.M % S. ‘ Iris' in 1878, 1879, 
211 
—— (William), third report on steamship 
performance, 1861, 190 
- on the difference between the 
resistance of water to floating and 
immersed bodies , 1865, 56 : 1866, 148 
-- on the stability, propulsion, and sea¬ 
going qualit ies of ships, 1869, 10 ; 1870, 
*44 
.-on some difficulties in the received 
view of fluid friction, 1869, 211 
- experiments on the surface-friction 
experienced by a plane moving through 
water, 1872, 118 
-on an apparatus for automatically 
recording the rolling of a ship in a sea¬ 
way, 1872, 243 
- on machinery for recording the 
roughness of the sea and measurement 
of waves near shore, 1873, 495 
- report to the Lords Commissioners of 
the Admiralty on experiments for the 
determination of the frictional resist¬ 
ance of water on a surface, under 
various conditions, 1874, 249; on in¬ 
struments for measuring the speed of 
ships, memorandum of experiments in 
relation to the pressure-log, with a de¬ 
scription of the apparatus employed, 
1874, 255 ; 1878, 219 
Froude (William), Address to the Me¬ 
chanical Section, 1875, 221 
- on the effect of propellers on the 
steering of vessels, 1876, 66; 1877, 200; 
1878, 419 
* -mechanical theory of the soaring 
of birds, 1876, 31 
* -on the resistance of ships, as 
affected by length of parallel middle 
body, 1877, 202; *011 a new dynamo¬ 
meter for large marine engines, 202 
- on the elasticity of wires, 1878, 103 ; 
on the phenomena of the stationary tides 
in the English Channel and the North 
Sea, and the value of tidal observations 
in the North Atlantic Ocean, 217 
^Frozen stratum of soil, the permanently, 
in British North America, the depth of, 
Gen. Sir J. H. Lefroy on, 1885, 1136 
- soil in the Polar regions, its geogra¬ 
phical limits and relation to the present 
y)ole of greatest cold, report on the depth 
of the permanently, 1886, 271; 1887, 152 
Fruit, cruciferous, Dr. J. B. Nevins on 
the nature of the, with reference to 
the replum, 1871, 130 
-farming, the results of an experiment 
in, by Veil. Archdeacon Lea, 1886, 757 
-trees, is lichen-growth detrimental 
to? Dr. W. L. Lindsay, 1867, 87 
Fruits and seeds, Sir J. Lubbock on, 1879, 
370 
Fry (E.) on moraines as the retaining 
walls of lakes, 1875, 64 
Fuel, the use of, in marine boilers, T. 
Richardson and T. W. Running on, 
1863, 53 
* -the consumption of, William Pater¬ 
son on, 1867, 156 
--calorimetry, B. H. Thwaite on, 1886, 
, 536 
Fuller (Prof. F.) on tidal observations, 
1868, 489 ; 1870, 120 * 
-- on instruction in elementary geo¬ 
metry, 1873, 459; 1876, 8 
- on Babbage's analytical machine, 
1878, 92 
Fuller’s earth, a sample of, found in a 
fullonica recently excavated at Pom¬ 
peii, W. Thomson on, 1879, 321 
-earth and its applications, notes on, 
by A. G. (J. Cameron, 1885, 1039 
Functional equivalency, the, of certain 
parts of limbs, Prof. R. J. Anderson 
on, 1889, 642 
Functions, calculus of, W. H. L. Russell 
on the, 1861, 19 
- Ch. Hermite sur Velimination dcs 
fonctions arbitraires, 1872, 233 
-- theory of, Paul Mansion on an ele¬ 
mentary demonstration of a funda¬ 
mental principle of the, 1876, 26 
