350 



EEEORT 1870. 



Spiller (Joliii) on the discrimination of 



■ fibres in mixed fabrics, 64. 

 *Sponges, W. S. Kent on the affinities 



of the, to the corals, 120. 



Spontaneous generation, J. Samuelson 

 on the controversy on, with new ex- 

 periments, 133. 



Sporangia of ferns from the coal-mea- 

 sures, W. Carriithers on the, 71. 



*Spottiswoode (W.) on musical inter- 

 vals, 15. 



Squier (E. G.) on the basin of Lake 

 Titicaca, 175. 



Stanford (Edward C. C.) on marbles 

 from the island of Tyree, G4 ; on the 

 retention of nitrogen by charcoal, 65. 



Star-grouping, R. A. Proctor on the 

 laws of, 24. 



Steam-engines, A. B. Brown on hy- 

 draulic machinery for steering, stop- 

 plug, and working heavy, 211. 



*Stone, A. H. Chm-ch on the preser- 

 vation of, 53. 



, artificial, Rev. H. Highton on, and 



■ A'arious kinds of silica, 00. 

 implements, Sir John Lubbock on, 



from Western Africa, 154. 



Stoney (tr. Johnstone) on the cause of 

 the interrupted spectra of gases, 41 ; 



, on the recent formation of gravel- 

 beds resembling middle drift, 86 ; on 

 the eflect which a niint charge has 

 upon the value of coins, to which is 

 added a proposition for securing at 

 once some of the ad\'antages of inter- 

 national coinage, 201. 



Strata between Huyton and St. Helens, 



■ Charles Ricketts on sections of, 85. 



Strath, Isle of Skye, Prof King and 

 Prof Rowney on some points in the 

 geology of, 78. 



Stream gold, T. A. Readwin on some, 

 recently found in the river Mawddach, 

 84. 



Streams, J. W. M. Rankine on the ma- 

 thematical theory of combined, 18 ; 

 on the thermodynamic acceleration 

 and retardation of, 28. 



Strieker (Dr. S.) and Dr. Sanderson on 

 a new method of studying the capUlary 

 circulation in mammals, 142. 



Strutt (the Hon. J. W.), experiments on 

 colour, 43. 



*Submarine guns, M. Scott on the ma- 

 chinery and working of, 228. 



*Submarine ram and gun, M. Scott on a, 

 228. 



Suez, Gulf of, R. M'Andrew on the 

 testaceous mollusca obtained during 

 a dredging-excursion in the, 120. 



Sulphur, A. Vernon Harcourt ' on a 

 method for the determination of, in 

 coal-gas, 59. 



* , W. Marriott on the estimation. 



of, in coal-gas, 60. 



Sulphuric acid, Thomas Fairley on the 

 distillation of, 55. 



Sulphm-ous acid. Dr. Gerland on the. 

 action of, in aqueous solution, on phos- 

 phates and other compounds, 56. 



Swinburne (Sir John) on the South- 

 African gold-fields, 176. 



Swinhoe, Robert, on the natural history 

 of Hainan, 128 ; on the island of 

 Hainan, 176. 



Symonds (the Rev. W. S.) on the 

 physical geology of the bone-caves of 

 the Wye, 88. 



*Tate (Ralph), a census of the marine 

 invertebrate famia of the lias, 88. 



Taxation, local, (). Williams on, 207. 



*Taylor (J.E.) on the occurrence of seams 

 of hard sandstone in the middle diift 

 of East Anglia, 88. 



Taylor (Capt.) on the harbours of western 

 India, 176. 



*Teale (W. E.) on a new safety-lamp, 

 229. 



Telegraph-coils, S. A. Varl.ey on a new 

 method of construction, 28. 



Telegraphs, S. A. Varley on the mode 

 of action of lightning on, 28. 



Temperature of the air at 4 feet, 22 feet, 

 and 50 feet above the ground, James 

 Glaisher on the, 33. 



•Tennant (J.) on the diamonds of South 

 Africa, 88. 



Tertiary coal-field of Southern Chile, G. 

 A. Lebom- and W. Mundle on the, 

 78. 



Tertiary fossils, J. Gwj-n Jeffreys on 

 newer, in Sicily and Calabria, 76. 



*Thermal equivalents : — 1. Fermenta- 

 tion ; 2. Oxides of chlorine, James De- 

 war on, 54. 



Thermal springs, F. W. Ilarmer on some, 

 in the feus of Cambridgeshire, 74. 



Thermodynamic acceleration and re- 

 tardation of streams, J. W. M. Ran- 

 kine on the, 18. 



*Thin (Dr. G.) on the use of opium 

 among the Chinese, 157. 



Thomson (Prof Allen), contents of the 

 C umbrae tumulus, from examination, 

 by, and Dr. Young, 155. 



Thomson (James) on the occurrence of 

 pebbles and boulders of granite in 

 schistose rocks in Islay, Scotland^ 

 88, _ 



