LIST OF PLATES. 



1921, Part III. (pp. 447-646). 



Page 

 Chas. F. Sonntag : Pis. Y.-VI. Gomparatiye Anatomy of the Koala 



( Phascolarctos) 547 



J. CossAR EwAHT : Pis. I.-X. Nestling Feathers of the Mallard . . 609' 



NOTICE. 



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

 so that the complete reference is now P. Z. S. 1921, p. . . . The Distribution 

 is usually as follows : — 



Part I, issued in March. 

 „ II. „ June. 



„ III. „ September. 



„ IV. „ December. 



'Proceedings,' 1921, Part II. (pp. 187-446), was published on July 8th, 

 1921. 



The Abstracts of the ' Proceedings,' Nos. 217-219, are 

 contained in this Part. 



The dates of Publication of 'Proceedings' 1830-1858 will be found in the 

 < Proceedings ' for 1893, page 436. 



The dates of Publication of ' Transactions,' 1833-1869, will be found in th» 

 ' Proceedings ' for 1913, page 814. 



