236 



REPORT 1877. 



habitat in plants, A. S. Wilson on, 



10G. 

 Succession to property, the law of, Dr. 



W. N. Hancock on, 176. 

 Suggestion of a mechanical integrator 



for the calculation of \(X.dx+Ydy) 



along an arbitrary path, bv Prof. Cay- 

 ley, 18. 



•Sulphur employed in the alkali manu- 

 facture by the Mactear process, the 

 regeneration of, J. Mactear on, 52. 



•Sun's rotation, a method of showing 

 the, by spectrum photography, Capt. 

 Abney on, 31. 



•Swan (J. W.) and C. H. Stearn on a 

 new form of Sprengel's air-pump, 43. 



Tait (Dr. L.) on hospital mortality, 181. 



* Tannic acid, pyrocatechin as a deriva- 

 tive of certain varieties of, Dr. J. 

 Watts on, 53. 



•Taylor (J. T.) on a binocular micro- 

 scope for high powers, 32. 



Tea, the cultivation of, in the British 

 Himalayan provinces of Kumaon and 

 Gurhwal, J. H. Batten on, 1G3. 



* consumption of the United King- 

 dom, A. Burrell on the, 174. 



•Teesdale, the finding of Silurian rocks 

 in, W. Gunn on, 71. 



•Telegraphs, electric block, F. H. Var- 

 ley on, 219. 



Telephone, W. II. Preece on the, 34. 



•Telephony, recent experiments in, Prof. 

 G. Bell on, 201. 



Temperature, sea and land, in the south- 

 west of England, Dr. Barhani on some 

 relations of, 38. 



* coefficients for insulating enve- 

 lopes, the determination of, T. T. P. 

 B. Warren on, 37. 



Tenby, the proposed exploration of cer- 

 tain caves in the neighbourhood of, E. 

 Laws on, 118. 



•Thermo-chemistry of oxygen, T. Fair- 

 ley on the, 51. 



Thompson (S. P.) on some new optical 

 illusions, 32 ; on the relative apparent 

 brightness of objects in binocular and 

 monocular vision, 32 ; on an improved 

 lantern galvanoscope, 37 ; on binaural 

 audition, 37 ; on some circular tables 

 for analysis, 53. 



Thomson (Dr. A.) on photographs of 

 representations of vascular injection 

 by Prof. Dantscher, of Innsbruck, 114. 



•Thomson (Sir W.) on the effect of 

 transverse stress on the magnetic sus- 

 ceptibility of iron, 37 ; *solutions of 



Laplace's tidal equation for certain 

 special types of oscillation, 43 ; •diur- 

 nal and semidiurnal harmonic consti- 

 tuents of the variation of barometric 

 pressure, 43 ; *on a marine azimuth 

 mirror and its adjustments, 43 ; *on 

 the possibility of life on a meteoric 

 stone falling on the earth, 43 ; *on 

 the importance of giving a distinctive 

 character to the Needles Light, 218; 

 *on an improved method of recording 

 the depth in flying soundings, 218 ; on 

 a navigation sounding machine for 

 use at full speed, 218 ; *on the mari- 

 ner's compass, with correctors for in in 

 ships, 218. 



•Thomson (Sir W.) and Capt. Evans 

 on the tides of Port Louis, Mauritius, 

 and Fremantle, Australia, 40. 



* (W.) on a method of excluding 



germs from rooms used for surgical 

 operations, 114. 



Thrift as an element of national strength, 

 G. C. T. Bartley on, 162. 



Thylaeine, the myology of the shoulder 

 and upper ami of the, Dr. D. J. Cun- 

 ningham on, 107. 



*Tidal observations made by the recent 

 Arctic expedition, summary of the 

 first reduction of the, by Prof. Haugh- 

 ton, 42. 



•Tides of Port Louis, Mauritius, and 

 Fremantle, Australia, Capt. Evans 

 and Sir W. Thomson on the, 40. 



Tietkens (W. H.), an account of the 

 latest expedition across Central Aus- 

 tralia, 150. 



Tin-mines in the parish of Wendron, 

 Cornwall, C. Le Neve Foster on some, 

 70. 



Townsend.(R. C.) on the Plymouth 

 breakwater, 219. 



•Transverse stress, the effect of, on the 

 magnetic susceptibility of iron, Sir 

 W. Thomson on, 37. 



Trimen (H.) on the recent occurrence 

 of Lavatera sylvestris, Brot., in the 

 Scilly Islands, 106. 



Tsanpo or Brahmaputra, the lower course 

 of the, Lieut.-Col. H. H. Godwin- 

 Austen on, 144. 



Tuckwell (Rev. W.) on school banks, 

 182. 



Tumidi near Guildford, some Saxon and 

 British, Col. Lane Fox on, 116. 



•Turbines, compound, Frof. O. Revnolds 

 on, 217. 



•Uranium compounds, hydrogen per- 

 oxide and some, T. Fairley on, 51. 



