NOTICE. 



The 'Proceedings' for the year are issued m four parts, paged consecutively, 

 j30 that the complete reference is now P. Z. S. 1D20, p. . . . The Distribution 

 is usually as follows, but on account of abnormal conditions Parts I. & II. 

 were issued together: — 



Part I. issued in March. 

 „ II. ,, June. 



„ III. „ September. 



,, IV. „ December, 



' Proceedings,' 1920, Parts I. & II. (pp. 1-194), were published together on 

 July 21st, 1920. Part III. on September 15th, 1920. 



The Abstracts of the ' Proceedings,' Nos. 208-210, are 

 contained in this Part, 



P 9 7 ^ 



