iv 



March 20, 1902. 



Sir WILLIAM HUGGINS, K.C.B., D.C.L., President, in the Chair. 



A List of the Presents received was laid on the table, and thanks 

 ordered for them. 



The following Papers were read : — 



I. " Development of the Layers of the Eetina in the Chick after the 



Formation of the Optic Cup." By John Cameron, M.B., 

 Ch.B. (Edin.). Communicated by Professor McIntosh, F.R.S. 



II. " On a Peculiarity of the Cerebral Commissures in certain Mar- 



supialia, not hitherto recognised as a Distinctive Feature of the 

 Diprotodontia." By Professor G. Elliot Smith, M.D., Ch.M. 

 Communicated by Professor Howes, F.R.S. 



III. " The Classification of the Elements." By Professor H. E. 



Armstrong, V.P.R.S. 



IV. " Persulphuric Acids." By Professor H. E. Armstrong, V.P.R.S., 



and Dr. T. M. Lowry. 



V. " On a Throw-testing Machine for Reversals of Mean Stress." By 

 Professor Osborne Reynolds, F.R.S., and J. H. Smith, M.Sc. 



VI. " On the Equilibrium of Rotating Liquid Cylinders." By J. H. 

 Jeans, B.A. Communicated by Professor G. H. Darwin, 

 F.R.S. 



VII. " A Portable Telemeter or Range-finder." By Professor George 

 Forbes, F.R.S. 



The Society adjourned over the Easter Recess to Thursday, 

 April 24. 



