218 
Aleorn (Dr.) on the excess of popula- 
tion, and on emigration as a remedy 
for it, in the Highlands of Scotland, 
186 
Aldridge (Dr.) on the pollen and 
vegetable impregnation, 144. 
Alexander (Sir J. E.) on three expe- 
ditions which might be undertaken 
to explore portions of the interior of 
Africa, 121. 
Alison (Dr.) on the Scottish system of 
the management of the poor, 185. 
Alloxan, preparation of, 74. 
Alloxantine, preparation of, 74. 
Alloy, native, application of, for com- 
pass pivots, 198. 
Alpaca, on the, 131. 
Alston (Mr.) on the Glasgow asylum 
for the blind, 171. 
America, west coast of South, great 
earthquakes on the, 123. 
Ammonia, thionurate of, preparation 
of, 74. 
Amphitrite, 140. 
Amputations, results of, 163. 
Anatomical purposes, preservation of 
subjects for, 156. 
Anderson (Dr.) on the dew point, 40. 
, on the meteorology of Perth, 56. 
Anglemeter, Mr. J. Hawkins on Mr. 
Bakewell’s, 210. 
Ankle-joint, dislocation of the, forward 
and backward, 165. 
Anderston, state of crime in the subur- 
ban burgh of, 176. 
Anthracite pig-iron, 191. 
Arnott (G. A.) on the synonyms and 
affinities of some South African 
genera of plants, 147. 
Arran, island of, on the geological 
model maps and sections of the, 92. 
Arsenic, mode of detecting minute 
portions of, 83. 
Asphyxia, manner in which the vital 
actions are arrested in, 151, 
Aston (Capt.) on a recent singular 
shower of grain at Rajket, in India, 
44. 
Aurora, cause of the, 48. 
Babington (Mr.) on the Cuscuta epi- 
linum, 148. 
Baddeley (Capt.) on the geology and 
mineralogy of Canada, 114. 
Balance, revolving, 206. 
INDEX II. 
Bald (William) on the tides in the 
harbour of Glasgow, and the velocity 
of the tidal wave in the estuary of 
the river Clyde, 49. 
on the construction of the models 
of the island of Achil, Clare Island, 
and the south-western district of 
Mayo, in Ireland, 126. 
Baltic, coloured water from the, 143. 
Barometer, new construction of, 55. 
, four daily fluctuations of the, 55. 
Barrel, improved working, for use in 
sinking pits, 208. 
Barry (Dr. Martin) on the first changes 
consequent on fecundation in the 
mammiferous ovum, 129, 
Beech, minutely filamentous roots of 
the, 149. 
Bell (A.) on a new cause of inter- 
ference, 14. 
Bell (Charles W.) on the disease known 
by the name of mal d’Aleppe, 161. 
Bentley (Mr. J.) on the state of edu- 
cation and crime in England and 
Wales, 185. 
Blind, asylum for the, at Glasgow, 171. 
Blood, human, fibrine of, 156. 
Botany, 128; true method of discover- 
ing the natural system in Zoology 
and, 128. 
Bowman (Mr.) on a remarkable rain- 
bow, 12. 
Bowman (J. E.) on the great develop- 
ment of the upper silurian formation 
in the vale of Llangollen, and on a 
plateau of igneous rocks on the east 
flank of the Berwyn range, 100. 
Brandt (M. J. F.) on Myriapoda, 137. 
Brazil, North, on the geology and 
fossil fishes of, 118. 
Bridges, timber, in reference to rail- 
ways, 195, 197, 209. 
Brodie (Rev. J.) on a new mode of 
propelling fluids, or an uniformly 
propelling wheel, 190. 
Bromine and its compounds, physio- 
logical and medicinal action of, 157. 
Bryson (Alex.), description of a new 
instrument for measuring the re- 
fractive power of minute bodies, 87. 
Brewster (Sir D.) on the decomposi- 
tion of glass, 5. 
on Prof. Powell’s measures of 
the indices of refraction for the lines 
G and H in the spectrum, 5. 
