220 
Wright on the flora and fauna of the, 
111. 
Seychelle Islands, Prof. E. Wright on 
the, 143. ' 
*Sharp (Granville), description of Hong 
Kong, 141. : 
Sharp (Samuel) on a remarkable incrus- 
tation in Northamptonshire, 78. 
*Shipping casualties, a brief statement 
of the recent progress and present 
aspect of statistical inquiry in relation 
to, by Henry Jeula, 168. i 
Ships, Prof. W. J. Macquorn Rankine 
on a probable connexion between the 
resistance of, and their mean depth of 
immersion, 194. 
, Charles W. Merrifield on the ne- 
cessity for further experimental know- 
ledge respecting the propulsion of, 
195 
*Siemens (C. W.) on the electrical con- 
ductivity of platinum as affected by 
the progress of manufacture, 20. 
Sinai, F. W. Holland on the peninsula 
of, and its geographical bearings on 
the history of the Exodus, 135. 
Skye, Prof. M. A. Lawson on the flora 
of, 103. 
*Slate-veins of Festiniog, 8. Jenkins on 
the noted, 70. 
Smith (Dr. R. Angus) on the absorption 
of gases by charcoal, 44. 
*Smith (Prof. H. J. Stephen) on a con- 
struction for the ninth cubic point, 
10; on geometrical constructions in- 
volving imaginary data, 10; on a pro- 
perty of the hessian of a cubic surface, 
10 
*Smith (W.) on the progress and exter- 
mination of the cattle plague in Nor- 
folk, 177. 
Sodium derivatives, anhydrous, of the 
salicylic series, W. H. Perkin on the 
preparation of some, 41. 
Solar spectrum, George Gladstone on 
the atmospheric lines of the, in high 
latitudes, 18. 
*Solid, rotation of a, Prof. P. G. Tait on 
the application of quaternions to the, 
11 
Spectra, absorption, Dr. J. H. Gladstone 
on the value of the hollow wedge in 
examining, 18. 
Spectrum, solar, George Gladstone on 
the atmospheric lines of the, in high 
latitudes, 18. 
Spiller (John), analysis of the Roman 
mortar of Burgh Castle, Suffolk, 43. 
Steam-boiler explosions, Layington E. 
Fletcher on the unsatisfactory cha- 
REPORT—1868. 
racter of coroners’ inquests consequent 
on, 190. 
Steel manufacture, Ferdinand Kohn on 
the recent progress of, 193. 
Stevenson (HL) on the extinction of the 
Great Bustard in Norfolk and Suffolk, 
111. 
Stoney (G. Johnstone) on the natural 
system of coinage, 177. 
Storm-warnings in Mauritius, C, Mel- 
drum on, 30. 
Strange (Lieut.-Col. A.) on the neces- 
sity for State intervention to secure 
the progress of physical science, 6. 
Strata, the Rey. J. Gunn on the alter- 
nate elevations and subsidences of the 
land, and the order of the succession 
of, in Norfolk and Suffolk, 66. 
*Strutt (the Hon. J. W.) on a perma- 
nent deflection of the galvanometer- 
needle by a rapid series of equal and 
opposite induced currents, 20. 
Suffolk, eastern coast of, Dr. Edwards 
Crisp on the skeleton of a fossil whale 
recently exhumed on the, 61. 
, the Rey. J. Gunn on the alternate 
elevations and subsidences of the land, 
and the order of succession of strata 
in Norfolk and, 66. 
, W. D. Harding on the drainage of 
the fens of Cambridgeshire, Hunting- 
donshire, Norfolk, and, 166. 
, George Maw on the sequence of 
the deposits in Norfolk and, superior 
to the Red Crag, 73. 
——,, H. Stevenson on the extinction of 
the Great Bustard in Norfolk and, 111. 
—, 8. V. Wood, jun., and F. W. 
Harmer on the glacial and_post- 
elacial structure of Norfolk and, 80. 
Sulphocyanide of ammonium, Dr. T. L. 
Phipson on, 41. 
Sulphur, Dr. Ludwig Mond on the 
manufacture of, from alkali waste in 
Great Britain, 40. 
Sulphur-springs of Valdieri in Piedmont, 
M. Moggridge on the “ Muffa” of the, 
106. 
Sweden, Professor Otto Torrell on some 
new fossils from the Longmynd rocks 
of, 80. 
Sylvester (J. J.) on the successive invo- 
lutes to a circle, 10. ; 
*Tait (Prof. P.G.) on the application 
of quaternions to the rotation of a 
solid, 11. 
*Taylor (J. E.) on the Norwich crags 
and their relation to the mammalite- 
rous bed, 78, 
