132 
Fowls, on the chemical and physiological 
effects of feeding, 89. 
France, table of the cultivation of Brittany as 
compared with that of all, 114. 
Gael, Breton and Cymzi, on the, 101. 
Galvanometer, on a, 62. 
Gaseous bodies, on the laws of chemical com- 
binations and the volumes of, 50. 
Gemmation in the lower tribes of plants, 87. 
Geography, physical, 62. 
Geology, 62. 
of the county of Wicklow, on the, 71. 
— of Lundy island, on the, 79. 
of Pennsylvania, on the, 74. 
-—— of portions of South Wales, Gloucester- 
shire and Somersetshire, on the, 79. 
» physical, of the Silurian district between 
Builth and Pen-y-bont, on some points 
connected with the, 73. 
Glaciers, on the origin of “dirt-bands” on, 71. 
, on the former existence of, in the valleys 
around Snowdon, 78. 
Gloucestershire, on some remains of the 
fossil sepia in the lias of, 66. 
Glynn (Joseph) on the application of steam 
power to the drainage of marshes and fen 
lands, 117. 
Goodman (John) on the identity of the ex- 
istences or forces of light, heat, electricity, 
magnetism and gravitation, 53. 
Graphite, natural and artificial, on a new 
process for analysing, 59. 
Gtavhstion, on the identity of the existences 
or forces of, 53. 
Great Britain, on the progress of the railway 
system of, 105. 
and Ireland, on the distribution of the 
population of, 113. 
Grewe (J. H.), meteorological observations 
made by, at Alten, in Finmark, 32. 
Grove (W. R.) on the peculiar cooling effects 
of hydrogen and its compounds in cases of 
voltaic ignition, 54. 
Guiana, remarks to accompany a comparative 
vocabulary of eighteen languages and dia- 
lects of Indian tribes inhabiting, 96. 
Guianian languages and dialects, comparative 
vocabulary of, 97. 
Gutta percha, on the chemical composition of, 
62. 
, on the application of, to the arts and 
manufactures, 122. 
Hancock (Albany) on the boring of mollusca 
into rocks, 125. 
Harding (W.) on the progress of the railway 
system of Great Britain, 105. 
Harris (Sir W. Snow) on a general law of 
electrical discharge, 19. 
Harrison (Mansfield) on a self-registering 
thermometer, 14. 
Heat, on the mechanical equivalent of, and 
on the constitution of elastic fluids, 21. 
——, on the identity of the existences or 
forces of, 55. 
INDEX II. 
‘ 
Henfrey (Arthur) on the development of 
pollen, 84. 
Higgin (James) on the colouring matters of 
madder, 54. 
Hodgkinson (Prof. E.) on investigations un- 
dertaken for the purpose of furnishing data 
for the construction of Mr. Stephenson’s 
tubular bridges at Conway and Menai 
Straits, 119. 
Hogg (John) on a quantity of human bones 
discovered in a field near Billingham, in 
the county of Durham, 95. 
Hooker (Dr.), meteorological and other phe- 
nomena observed at various places in India 
and Egypt, extracted from a letter to Prof. 
Wheatstone, 17. 
Hopkins (Evan) on the polarity of cleavage 
planes, their conducting power, and their 
influence on metalliferous deposits, 69. 
Hopkins (William), Dr. Daubeny’s reply to 
an objection of, to the “‘ Chemical Theory 
of Volcanos,” 67. 
Huggate, meteorological observations at, for 
1847, 36. 
Hume (Joseph) on the annual increase of 
property, and of exports and imports in 
Canada, 112. 
Hunt (Robert) on the influence of light in 
preventing chemical action, 54. 
Hydrogen and its compounds, on the peculiar 
cooling effects of, in cases of voltaic ig- 
nition, 54. 
Hydrography of the British Isles, 73. 
Ibbetson (Capt. L. L. B.) on the position of 
the chloritic marl or phosphate of lime bed 
in the Isie of Wight, 69. 
, translation of Dr. Sacc’s paper on the 
chemical and physiological effects of feed- 
ing fowls, and on the changes and chemical 
composition of eggs during incubation, 89. 
Incubation, on the changes and chemical 
composition of eggs during, 89. 
India, on pseudomorphous crystals from vol- 
canic districts of, 61. 
, on the means of maintaining the health 
of troops in, 101. 
Induction, on the theory of electro-magnetic, 9. 
‘“‘ Insect limestene”’ of the lower lias, on the 
plants of the, 66. 
Ireland, on the distribution of the population 
of Great Britain and, 1)3. 
, on additions to the fauna of, 125. 
Iron, analysis of wrought, produced by cemen- 
tation from cast, 54. 
Isle of Wight, on the position of the chloritic 
marl or phosphate of lime bed in the, 69. 
Java, vital statistics of a district in, 112. 
Jeffreys (J. G.) on rare and recent British 
shells, 71. ‘ 
on the recent species of Odostomia, a 
genus of Gasteropodous mollusks inhabit-— 
ing the seas of Great Britain and Ireland,79. 
Jenkins (John) on aurore observed at Swan-— 
sea, 22, | 
