106 



The following Papers were read during the Session of 

 1860-61; — 



Octohsr 2ndf I860. — " On the A faced Polyacrons in reference 

 to the Problem of the Enumeration of Polyhedra," by Arthur 

 Cayley, F.R.S., &c. 



October \6th, I860 — "On the Estimation of Sugar in Diabetic 

 Urine by the Loss of Density after Fermentation," by William 

 Roberts, M.D. 



October 30th, I860 — " On the Alleged Practice of Arsenic Eating 

 in Styria," by H. E. Roscoe, Ph.D. 



November ISth, I860. — "On a System of Periodic Disturbances 

 of Atmospheric Pressure in Europe and Northern Asia," by Joseph 

 Baxendell, F.R.A.S. 



November 27th, I860. — " On the Prevalence of Certain Forms of 

 Disease, in connection with Hail and Snow Showers, and the Electric 

 Condition of the Atmosphere," by Thomas Moffatt, M.D., F.G.S. 

 Communicated by E. W. Binney, F.R.S., &c. 



December Wth, I860 " On the Origin of Species," by the Rev. 



W. N. Molesworth, M.A. 



Januarif 8th, 1861. — " On the Nature and Objects of Geological 

 Surveys, with Special Reference to the Progress of the Geological 

 Survey of Lancashire and Cheshire," by Edward Hull, B.A., F.G.S* 

 Communicated by E. VV. Binney, F.R.S., &c. 



February bth, 1861 " On the Kaloscope," by Mr. W. H. Heys. 



Communicated by Mr. George Mosley. 



February \9th, 1861 " On the Production and Prevention of 



Malaria," by Dr. R. Angus Smith, F.R.S. 



«' Brief Notes on the Freezing, Thawing, and Evaporation of 

 Water, and on the Condensation of Steam," by J. C. Dyer, Esq. 



March 5th, 1861 " On the Structure of the Luminous Envelope 



of the Sun," by James Nasmyth, Esq. Communicated by Mr. 

 Joseph Sidebotham. 



" On Changed of Density which take place in Rolled Copper by 

 Hammering and Annealing," by Mr. Charles O'Neill. 



