
sg INDEX II. 
Crustacean and entomoid class, on the external 
antennz of the, and their anatomical rela- 
tion and function, 78. 
Crystals, notice of experiments on circular, 6. 
Daguerreotype process, on the theory of the 
principal phenomena of photography in 
the, 35. 
Danson (J. T.) on the fluctuations of the an- 
nual supply and average price of corn, in 
France, during the last seventy years, with 
particular reference to the four periods 
ending in 1792, 1814, 1830 and 1848, 87. 
—— on the progress of emigration from the 
United Kingdom during the last thirty 
years, relatively to the growth of the po- 
pulation, 88. 
Darwen, Lancashire, on the sanitary con- 
dition of, 96. 
Davison (Robt.) ona desiccating process, 114. 
Desiccating process, on a, 114, 
De Vico’s comet, on, 2. 
De Vrij (Dr.) on the black colouring matter 
of the lungs, 36. 
Dodo, on two additional bones of the long- 
legged, or Solitaire, brought from Mauritius, 
81. 
Dolomite, on the formation of, 36. 
Dredge for natural history purposes, new, 72. 
Dredging Committee, papers containing ob- 
servations made by the, 77. 
Earth, on an orbitual motion of the magnetic 
pole round the north pole of the, 8. 
, on the distribution of gold ore in the 
crust and on the surface of the, 60. 
Ebelmen (M.) on artificial gems, 36. 
Electric currents, on a theory of induced, sug- 
gested by diamagnetic phenomena, 46. 
Electro-telegraphic communication in En- 
gland, Prussia, and America, on the pre- 
sent state of, 133. 
Ellis (Rev. A. J.) on ethnical orthography, 
85. 
Emigration, on the progress of, from the 
United Kingdom, during the last thirty 
_ years, relatively to the growth of the po- 
- pulation, 88. 
England, on the growth of silk in, §1. 
, on the present state of electro-telegra- 
phic communication in, 133. 
English, on the oriental words adopted in, 84. 
Ethnical orthography, on, 85. 
Ethnology, 82. 
of New Caledonia, on the, 85. 
Eye, on a mode of measuring the astigmatism 
of a defective, 10. 



Fairy rings, on, 70. 
Finch (Dr. C.) on the diseases and causes of 
disability for military service in the Indian 
army, 89. 
Finlandic vocabulary, on a, 86. 
Floating bodies, on the oscillations of, 5. 
Fluorine, on the presence of, in plants, 43._ 
139 
Fluorine, on the presence of, in the waters of 
the Firth of Forth, the Firth of Clyde, and 
the German ocean, 47. 
Forbes (Prof. E.) on the varieties of the wild 
carrot, 70. 
on a remarkable monstrosity of a 
Vinca, 70. 
—— on the genera of British Patellacea, 


on Beroé Cucumis, and the genera or 
species of Ciliograda which have been 
founded upon it, 76. 
Forchhammer (Prof.) on the formation of 
dolomite, 36. 
on a new method of ascertaining the 
quantity of organic matter in water, 37. 
Fossil geology of Cornwall, on the, 63. 
reptile (Sanropus primevus) found in 
the old red sandstone, on traces of a, 56. 
Volutes, on the discovery ofa living re- 
presentative of a small group of, occurring 
in the tertiary rocks, 64. 
Fowler (Dr.), if vitality be a force having cor- 
relations with the forces, chemical affinities, 
motion, heat, light, electricity, magnetism, 
gravity, so ably shown by Prof. Grove to be 
ie of one and the same force? 
France, on the fluctuations of the annual sup- 
ply and average price of corn in, 87. 
Fungi, on some of the edible, by which fairy 
rings are caused, 70. 



Gais, Switzerland, on a phenomenon seen 
at, 17. 
Galvanic battery, on a form of, 45. 
Gas, on a continued spontaneous evolution of, 
at the village of Charlemont, Staffordshire, 
38. 
Gems, on artificial, 36, 
Geography, physical, 49. 
of the peninsula of Mount Sinai, on 
the, 52. 
Geology, 49. 
of the Channel Islands, 49. 
of the peninsula of Mount Sinai, on the, 



52. 

of Cornwall, on the fossil, 63. 
Gha nation of the Gold coast of Africa, on 
the, 85. 
Gladstone (J. H.) on the compounds of the 
halogens with phosphorus, 38. 
Glass, on some modifications in the colouring 
of, by metallic oxides, 35. 
Gold ore in the crust and on the surface of 
the earth, on the distribution of, 60. 
Gold in California, on the discovery of, 94. 
Gordon’s plan of ventilating coal mines, 125. 
Gothi and Getz, on the terms, 85. 
Granite, on an original broad sheet of, 68. 
Greener (W.) on the manufacture of the finer 
irons and steels, as applied to gun-barrels, 
swords, and railway axles, 115. 
Grewe (J. H.), meteorological observations 
made at Kaafjord, 18. 
