140 
Grover (Rev. H. M.) on an orbitual motion 
of the ee pole round the north pole 
of the earth, 8 
Gun-barrels, on the manufacture of the finer 
irons and steels, as applied to, 115. 
Halogens, on the compounds of the, with 
phosphorus, 38. 
Hamilton (Sir W.) on some new applications 
of quaternions to geometry, 1. 
Hampshire, tertiary beds, on some new spe- 
cies of Testacea from the, 52. 
Hanson (Rev. A. W.) on the Gha nation of 
the Gold coast of Africa, 85. 
Hancock (Prof. W. N.) on a form of table for 
collecting returns of prices in Ireland, 92. 
on the use to be made of. the Ordnance 
survey in the registration of judgments and 
deeds in Ireland, 93. 
, the usury laws—statistics of pawn- 
broking, 93. 
on the discovery of gold in California, 



94. 
Heatoh (George) on the cause and prevention 
of the oscillation of locomotive engines on 
railways, 116. 
Hodgkinson (Prof. E.) on the strength and 
elasticity of stone and timber, 118. 
Hogg (John) on the geography and geology 
of the peninsula of Mount Sinai and the 
adjacent countries, 52. 
Hopkins (T.) on mirage on the sea-coast of 
Lancashire, 16. 
on the means of computing the quan- 
tity of vapour contained in a vertical co- 
lumn of the atmosphere, 24. 
Howard (Samuel) on a continued sponta- 
neous evolution of gas at the village of 
Charlemont, Staffordshire, 38. 
Huggate, meteorological observations made 
at, 29. 
, on a phosphoric phenomenon in a pond 
at, on June 11, 1849, 29. 


India, meteorological phenomena observed 
in, froin January to May 1849, 15, 
, contributions to the statistics of sugar 
produced in, 108. 
Indian Archipelago, on the alphabet of the, 
83. 


army, on the diseases and causes of dis- 
ability for military service in the, 89. 
families, on the transition between the 
Tibetan and, in respect to conformation, 85. 
Inglis (Sir Robert H.), letter to Colonel Sa- 
bine, on a phenomenon seen at Gais, Swit- 
zerland, 17. 
Integration, on elliptic, 3. 
Ireland, on a form of table for collecting re- 
turns of prices in, 92. 
, on the use to be made of the Ordnance 
survey in the registration of judgments and 
deeds in, 93. 
, on the agricultural statistics of, 104. 
Iron, analytical investigations of cast, 49. 




INDEX II. 
Trons and steels, on the manufacture of the 
finer, as applied to gun-barrels, swords, 
and railway axles, 115. 
Isbister (A. K.) on the ethnology of New 
Caledonia, 85. 
Jeffreys (J.G.) on some rare mollusca re- 
cently collected by M. Barlee in Zetland, 
78. 
Jukes (J. B.) on the relations between the 
new ted sandstone, the coal-measures, and 
the Silurian rocks of the South Staffordshire 
coal-field, 55. 
Juvenile offenders, on the county of Warwick 
asylum for, 87. 
Kaafjord, meteorological observations made 
at, 18. 
Keuper sandstone containing zoophytes in 
the vicinity of Leicester, on the discovery 
of beds of, 64. 
—— of Longdon, on vegetable remains in 
the, 66. 
Knight (H.) on a calculating instrument, 
118. 
Kosman’s patent cistern as a sanitary ma- 
chine, 134. 
Labyrinthodon from the new red sandstone 
of Warwickshire, on a new species of, 56. 
Lancashire, on mirage on the sea coast of, 16. 
Land in the island of Madeira, on the tenure 
of, 96. 
Lankester (Dr. Edwin) on some abnormal 
forms of the fruit of Brassica oleracea, 71. 
Latham (Dr. R. G.) on the terms Gothi and 
Getz, 85. 
—— on certain additions to the ethnogra- 
phical philology of Africa, 85. 
—— on the transition between the Tibetan 
and Indian families in respect to confor- 
mation, 85. 
Latto (James) on incombustible cloth, 33. 
Lea (Isaac) on traces of a fossil reptile (Sau- 
ropus primevus) found in the old red 
sandstone, 56; woodcut, 134. 
Lead,on the éonitiniedl use of the basic acetates 
of, and sulphurous acid in the colonial ma- 
nufacture and the refining of sugar, 42. 
Lee (John) on meteorological observations 
made at Kaafjord, near Alten, Finmark, 
and Christiania, Norway, 18. 
Leicester, on the discovery of beds of eens 
sandstone containing zoophytes in the vi- 
cinity ef, 64. 
Lenses, on a new form of, and their appli- 
cation to the construction of two telescopes 
or microscopes of exactly equal optical 
power, 6. 
Light, on the inflexion of, 7. 
, on some recent discussions relative to 
the theory of the dispersion of, 8. 
Lloyd (Dr. G.) on a new species of Laby- 
rinthodon from the new red sandstone of 
Warwickshire, 56. 


