NOTICE. 



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

 80 that the complete reference is now P. Z. S. 1920, 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. 

 If 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. 



