130 
* Beads,” in annular eclipses, on an explana- 
tion of the, 2. 
Beke (Dr.) on the sources of the Nile in the 
mountains of the moon, 63. 
on the geographical distribution of the 
languages of Abessinia and the neigh- 
bouring countries, 94. 
Belemnites, on the occurrence in the Taren- 
taise of fossil plants of the carboniferous 
period, associated in the same bed with, 64. 
Bengal, the statistics of civil justice in, in 
which the government is a party, 116. 
Benson (Starling) on a boulder of cannel 
coal found in a vein of common bituminous 
coal, 64. 
on the relative position of the various 
qualities of coal in the South Wales coal 
measures, 65. t 
Beniston de Chateauneuf (M.) on cultivation 
in Brittany, 114. 
Berkeley’s (Bishop) “ New Theory of Vi- 
sion,’ an examination of, 49. 
Billingham, on a quantity of human bones 
discovered in a field near, 95. 
Birds, periodical, observed in the years 1847 
and 1848 near Llanrwst, 84. 
Blackwall (John), periodical birds observed in 
the years 1847 and 1848 near Llanrwst, 84. 
Blind, deaf and dumb, attempt to give a phy- 
siological explanation how persons from in- 
fancy interpret the communications of others 
by touch only, 88. 
Blood, microscopic obervations on the move- 
ment of the human, in the capillaries, 83. 
. Boguslawski (M.), letter read from him to 
the Marquis of Northampton, on the fall of 
a meteorite in two pieces, at Braunau in 
Bohemia, 71. 
Boileau (Sir J. P., Bart.), statistics on men- 
dicancy, 105. 
Bombay, on atmospheric disturbances, and on 
a remarkable storm at Bombay on April 6, 
1848, 41. 
Bones found in the bed of the Tawey, on 
some, 71. 
, human, on a quantity of, discovered in 
a field near Billingham, 95. 
Bone, microscopical drawings, illustrating the 
structure of bones, 125. 
Bonomi (Joseph) on a map of Ancient Egypt 
of the time of Antoninus Pius, 66. 
Botany, 79. 
Bradley (Rev. P.) on the boring of Sabelle, 
125. 
Breaks on railways, on a new mechanical 
arrangement for working, 121. 
Breton, Gael and Cymri, on the, 101. 
Brewster (Sir David) on the compensation 
of impressions moving over the retina, as 
seen in railway travelling, 47. 
—— on the vision of distance as given by 
colour, 48. 
=—— on the visual impressions upon the 
foramen centrale of the retina, 48. 
——, an examination of Bishop Berkeley’s 
“ New Theory of Vision,” 49. 
INDEX II. 
Bridges, tubular, at Conway and Menai Straits, 
investigations for furnishing data for the 
construction of the, 119. 
Bristol Channel, on some marine animals 
from the, 125. 
British Channel, on a remarkable tide in the, 
on July 7, 1848, 37. 
flora, additions to the, 84, 
isles, hydrography of the, 73. 
Brittany, table of the cultivation of, as com- 
pared with that of all France, 114. 
Buckman (Prof.) on the plants of the “insect 
limestone” of the lower lias, 66. 
on the discovery of some remains of the 
fossil sepia in the lias of Gloucestershire, 66. 
on some experimental borings in search 
of coal, 67. 
Builth and Pen-y-bont, on some points con- 
nected with the physical geology of the Si- 
lurian district between, 73. 
Bunbury (Charles) on the occurrence in the 
Tarentaise of certain species of fossil plants 
of the carboniferous period, associated in 
the same bed with belemnites, 64. 
Canada, on the annual increase of property, 
and of exports and imports in, 112. 
Carpenter (Dr.) on Marginopora and allied 
Structures, 67. 
Ceylon, on the sounds emitted by mollusca at 
Bathcoloa, in, 82. 
Chalk, Choanites Kénigi, Mantell, on a pecu- 
liarity in the structure of one of the fossil 
sponges of the, 67. 
Challis (Rev. Prof.), description of a new in- 
strument for observing the apparent posi- 
tions of meteors, 13. 
Charnwood Forest, ethnographical note on 
the vicinity of, 99. 
Chat Moss, on the drainage of a portion of, 72. — 
Chemical action, on the influence of light in 
preventing, 54, 
Chemical combinations, on the laws of, and 
the volumes of gaseous bodies, 50. 
“ Chemical theory of volcanos,’ reply to an 
objection of Mr. Hopkins to the, by Dr. 
Daubeny, 67. 
Chemistry, 50. 
Childers (J: W.), comparative temperature 
table, showing the daily average height of 
the thermometer, at Jersey, Torquay, Has-~ 
tings, and London, in July 1848, 16. 
Cholera, on a supposed connexion between 
an insufficient use of salt in food and the — 
progress of Asiatic, 88. 
Clark (J.) on the recurrence of Colymbus 
arcticus, shot near Swansea, 125. 
Clarke (Joshua) on the parasitie character of 
Rhinanthus crista-galli, 84. 
Claudet (A.) on the action of the red, orange, 
and yellow rays upon iodized and chromo- 
iodized silver plates after they have been 
affected by daylight, and other phenomena 
of photography, 50. 
Coal, on a boulder of cannel, found in a vei 
of common bituminous, 64. 
