
INDEX II, 
Sabine (Colonel), letter to, from Sir R. H. 
Inglis, on a phenomenon seen at Gais, 
Switzerland, 17. 
Sanders (William) on the age of the Sau- 
rians named Thecodontosaurus and Palzo- 
saurus, 65. 
Sanitary machine, on Kosman’s patent cistern 
as a, 134. 
Saurians named Thecodontosaurus and Pa- 
leosaurus, on the age of the, 65. 
Sauropus primzvus, on traces of the, found 
in old red sandstone, 56 ; woodcut, 134. 
Scoffern (Dr.) on the combined use of the 
basic acetate of lead and sulphurous acid in 
the colonial manufacture and the refining 
of sugar, 42. 
Schroetter (Professor) on the allotropic con- 
dition of phosphorus, 42. 
Sea, on the luminosity of the, on the Cornish 
coasts, 80. 
Sea-water, on the corrosive action of, on some 
varieties of copper, 39. 
Silk, on the growth of, in England, 81. 
Silurian rocks of the South Staffordshire 
coal-field, on the relations between the new 
red sandstone, the coal-measures, and the,55, 
Sinai, Mount, on the geography and geology 
of the peninsula of, 52. 
Siphonotreta, on the genus, with a description 
of a new species, 57. 
Skulls, on certain American, Celtic, Cimbric, 
Roman, and ancient British, 86. 
Smith (J. Pigott) on the superiority of mac- 
adamized roads for streets of largetowns, 129. 
Solitaire, on two additional bones of the long- 
legged Dodo or, brought from Mauritius, 81. 
Spectrum, on the determination of the wave 
length corresponding with any point of the, 
11. 
Stars, on shooting, 15. 
Statistics, 86. 
Steam-engines, on a method of supplying the 
boilers of, with water, 132. 
Steam-vessels, on the recent applications of 
the wave principle to the practical con- 
struction of, 30. 
Stephenson (R.) on the Britannia Bridge, 111. 
Stereoscope, on a new, 6. 
Stokes (Prof.) on the determination of the 
wave length corresponding with any point 
of the spectrum, il. 
on a mode of measuring the astigmatism 
of a defective eye, 10. 
Stone, on the strength and elasticity of, 116. 
St. Pancras, statistical account of the labouring 
population inhabiting the buildings at, 108. 
Strickland (H. E.) cn vegetable remains in 
the Keuper sandstone of Longdon, Wor- 
cestershire, 66. 
on two additional bones of the long- 
legged Dodo or Solitaire, brought from 
Mauritius, 81. 
Stutchbury (S.) on a large cylindrical bone 
found by Mr. Thompson in the ‘‘bone-bed” 
of Aust Cliff, on the Severn, 67. 



. 
143 
Subaqueous telegraphs, on chain pipes for, 132. 
Sugar, on the combined use of the basic ace- 
tates of lead and sulphurous acid in the 
colonial mannfacture and the refining of, 42. 
——, produced in India, contributions to the 
statistics of, 108. 
Sun-dial, on a universal, 34. 
Sunset, on a rainbow seen after, 16. 
Sykes (Lieut.-Col.), contributions to the sta- 
tistics of sugar produced in India, 108. 
, statistical account of the labouring po- 
pulation inhabiting the buildings at St. 
Pancras, erected by the Metropolitan So- 
ciety for improving the dwellings of the 
poor, 108. 
Swords, on the manufacture of the finer irons 
and steels as applied to, 115. 

Telegraph, on the copying, and other recent 
improvements in telegraphic communica- 
tion, 110. 
Telegraphs, on chain pipes for subaqueous, 132. 
Telescopes, on a new equatorial mounting 
for, 2. 
Temperature of the British Isles, on the, and 
its influence on the distribution of plants, 26. 
Terebella medusa, 72. 
Tertiary beds, on some new species of Tes- 
tacea from the Hampshire, 52. 
Testacea, from the Hampshire tertiary beds, 
on some new species of, 52. 
Thecodontosaurus, on the age of the Saurian, 
65. 
Therm-anemometer, on the, 28. 
Thermometer, on observations of the, made 
during several ascents in balloons, 29. 
Thomson (Rev. Dr.), on meteorology consi- 
dered chiefly in relation to agriculture, 33. 
Tibetan and Indian families, on the transition 
between the, in respect to conformation, 85. 
Timber, on the strength and elasticity of, 116. 
Trifolium repens, on a series of morpholo- 
gical changes observed in, 68. 
Trilobites, on the metamorphosis of certain, 58. 
Tubicolz, on some, 72. 
Tumuli in Yorkshire, on, 86. 
Twining (Henry) on teaching perspective by 
models, 33. 
United Kingdom, on the progress of emigra- 
tion from the, during the last thirty years, 
relatively to the growth of the population, 
88. 
“ Upton draining tool,” on an instrument 
called the, 122. 
Usury laws, on the, 93. | 
Vapour, on computing the quantity of, con- 
tained in a vertical column of the atmo- 
sphere, 24. 
Vegetable remains in the Keuper sandstone 
of Longdon, on, 66. 
Vessels, on the use of rockets in effecting a 
communication with stranded, 114. 
Vinca, on a remarkable monstrosity of a, 70. 
