﻿xxiv Proceedings. {January ioth, Z905. 



Mr. R. L. Taylor, F.C.S., exhibited an interesting piece of 

 marble which contained minute crystals of sulphur. 



Mr. A. D. Darbishire, M.A., B.Sc, read a paper entitled, 

 " On the Supposed Antagonism of Mendelian to 

 Biometric Theories of Heredity." 



Mr. Darbishire also exhibited the results of a hybridization 

 experiment with mice, illustrating Mendelian phenomena of 

 heredity. 



Messrs. C. H. Burgess, M.Sc, and D. L. Chapman, M.A., 

 communicated a paper, entitled, "The cause of the Period 

 of Chemical Induction," which was postponed to the next 

 meeting on January 24th. 



Ordinary Meeting, January 24th, 1905. 



Professor W. Boyd Dawkins, D.Sc, F.R.S., President, 

 in the Chair. 



The thanks of the members were voted to the donors of the 

 books upon the table. 



The President announced that the Council had awarded 

 the Wilde Medal to Professor Charles Lapworth, LL.D., F.R.S., 

 of Birmingham University ; that the Wilde Lecture would be 

 undertaken by Dr. D. H. Scott, F.R.S., of Kew ; and that the 

 presentation of the Medal and the delivery of the Lecture 

 would take place on February 28th. 



Mr. H. Morris-Airev, M.Sc, read a paper entitled "On 

 the Rigidity of Gelatine." 



Messrs. C. H. Burgess, M.Sc, and 1). L. Chapman, M.A., 

 communicated the following paper on "The Cause of the 

 Period of Chemical Induction." 



The induction period which precedes the regular combina- 

 tion of a mixture of hydrogen and chlorine exposed to light has 



