No. 234 November 20,1884. 



Pnjte 



Observations on the Harmonica of .1 String struck at one-eighth of its 

 Length. By Alfred James Hipkins (of John Broadwood and Sons) .... 3<3 



Tonometrical Observations on some existing Non- harmonic Musical 

 Scales. By Alexander J. Ellis, B.A., F.R.S., assisted by Alfred .1. 

 Hipkins (of John Broadwood and SOILS) 368 



Tin- Influence of Stress and Strain on the Physical Properties of Matter. 

 Part II. Electrical Conductivity continued. The Alteration of the 

 Electrical Conductivity of Cobalt, Magnesium, Steel, and Platinum- 

 Iridium produced by Longitudinal Traction ; Discovery of Simple 

 Relations between the " Critical Points " of Metals. By Herbert Tom- 

 linson, B.A * 380 



On the Variations of the Mean Diurnal Inequality of the Horizontal 

 Component of the Earth's Magnetic Force at Bombay, and their Rela- 

 tiiiiis to the Sun-spot Period. By Frederick Chambers, Acting Super- 

 intendent of the Colaba Observatory, Bombay 392 



November 27, 1884 



Notes on the Microscopic Structure of some Rocks from the Andes of 

 Ecuador, collected by E. Whymper. No. V (conclusion). Altar, 

 Illiniza, Sincholagua, Cotocachi, Sara-urcu, &c. By Professor T. G. 

 Bouney, D.Sc., F.R.S 394 



Exjwriments to Determine the Origin of the Respiratory Sounds. By 

 J. F. Bullar, M.B. Cantab., F.RC.S 411 



Note on the Origin of the Suprarenal Bodies of Vertebrates. By W. F. 

 R. Weldon, B.A 422 



The Pupil-Photometer. By J. Gorham, M.R.C.S. Eng. 425 



December 1, 1884. 

 ANNIVERSARY MEETING. 



Report of Auditors 427 



List of Fellows deceased since last Anniversary 427 



-elected 428 



Address of the Treasurer 428 



Presentation of the Medals 446 



Election of Council and Officers 447 



Financial Statement 449452 



Trust Funds 453456 



Account of the Appropriation of the sum of 4,000 (the Government 



