39 



CommujiicMtions intended for the Scientific Meetings should 

 be addiessed to 



P. CnALMERS MITCHELL, 



Secretary^ 



Z(Hjr.ooTCAL Society of London, 



JI|';oi:nt's Paiik, Lonijon, N.W. 8, 

 May l^th, 1922. 



