INDEX I. 



239 



syllabus drawn up by the Association 

 for the improvement of geometrical 

 teaching, 8. 

 Steering of vessels, report on the effect 



of propellers on the, OG. 

 qualities of ships, Prof. 0. Rey- 

 nolds on the investigation of the, 70. 

 Stewart (Prof. Balfour) on the mecha- 

 nical equivalent of heat, 275. 

 Sun-spot periodicity, C. Meldrum on 

 cj'clone and rainfall periodicities in 

 connexion with the, 2(37. 

 Sylvester (Prof.) on instruction in ele- 

 mentary geometry, and on the sylla- 

 bus drawn up by the Association for 

 the improvement of geometrical 

 teaching, 8. 

 Symons (Gr. J.) on the rainfall of the 

 British Isles for the years 1875-76, 

 172 ; on underground temperature, 

 204. 



Tait (Prof.) on the mechanical equi- 

 valent of heat, 275. 



Taxation, direct, local and imperial, re- 

 port on the practicability of adopting 

 a common measure of value in the 

 assessment of, 27. 



Temperature, underground, ninth report 

 on the rate of increase of, downwards 

 in various localities of dry land and 

 under water, 204. 



Thermal conductivities of certain rocks, 

 third report on experiments to deter- 

 mine the, showing especially the geo- 

 logical aspects of the investigation, 

 19. 



Thomson (Prof. J.) improved investiga- 

 tions on the flow of water through 

 orifices, with objections to the modes 

 of treatment commonly adopted, 24.3. 



(Prof Sir W.) on the eflect of 



propellers on the steering of vessels, 

 66; on earthquakes in Scotland, 74; 

 on underground temperature, 204 ; on 

 the mechanical equivalent of heat, 

 275 ; on tidal observations, 275. 



Tidal observations, report of the com- 

 mittee appointed to promote the ex- 



tension, improvement, and harmonic 



analysis of, 275. 

 Tiddeman (R. H.) on the exploration of 



the Settle Caves, 115. 

 Tomlinson (C.) on the rainfall of the 



British Isles for the years 1875-76, 



172. 

 Townsend (Rev. Prof.) on instruction 



in elementary geometry, and on the 



syllabus drawn up by the Association 



for the improvement of geometrical 



teaching, 8. 

 Treatment and utilization of sewage, 



eighth report on the, 225. 

 Tristram (Rev. Canon) on the possibility 



of establishing a " close time " for 



the protection of indigenous animals, 



63. 



Underground temperature, ninth report 

 on the rate of increase of, downwards 

 in various localities of dry land and 

 under water, 204. 



waters in the New Red Sandstone 



and Permian formations of England, 

 the circulation of the, and the quan- 

 tity and character of the water sup- 

 plied to various towns and districts 

 from these formations, second report 

 on, 95. 



Utilization of sewage, eighth report on 

 the treatment and, 225. 



Vivian (E.) on the exploration of Kent's 

 Cavern, 1. 



Whitaker (W.) on the circulation of 

 underground waters, 95. 



Williamson (Prof. A. W.) on the treat- 

 ment and utilization of sewage, 225. 



Wilson (J. M.) on instruction in ele- 

 mentary geometry, and on the sylla- 

 bus drawn up by the Association for 

 the improvement of geometrical 

 teaching, 8. 



Woodward (C.J.) on the erratic blocks 

 of England and Wales, 110. 



Wynne (A. B.) on undergi-ound tem- 

 perature, 204. 



21* 



