president's address. 741 



PAGE 



6. Australia's Duty in regard to Botanicai. Investigation in 



Australia and Polynesia 786 



7. Hybridisation; Workers in New South Wales ... ... 789 



8. Ontogeny; Cojiparative Study of Seedlings and Suckers ... 793 



9. Eucalyptus — 



a. A critical revision of the genus... ... ... .. ... 794 



b. Variation under cultivation ... .. .. ... .. 795 



10. What is a Species? 796 



11. The Duty of Clearly Indicating Species ... ... .. ... 802 



Introductory. 



On the occasion of the Twenty-seventh Annual General 

 Meeting one is gratified to be able to report that during the past 

 year the Society has fully maintained its activity. 



Fourteen Ordinary Members and one Corresponding Member 

 were elected; one Ordinary Member and one Associate Member 

 resigned; and one Ordinar}^ and one Corresponding Member 

 died. 



Dr. Charles Dagnall Clark practised his profession for a num- 

 ber of years at North Sydney, and died on 5th June last in the 

 midst or his work, aged 45 years. He was an enthusiastic 

 entomologist, especially interested in Lepidoptera, who became a 

 Member of the Society in July, 1899. Among his professional 

 brethren as in private life Dr. Clark was held in the highest 

 esteem. 



By the death of Professor Ralph Tate, F.L.S., F.G.S., on 

 20th September, 1901, the Society lost one of its oldest Corre- 

 sponding Members. His first contribution to the Society's 

 Proceedings is to be found in the second Volume (p. 290: read 

 December, 1877). His last to the Society as well as to Science — 

 " The Revised Census of the Marine Mollusca of Tasmania," 

 prepared in collaboration with Mr. W. L. May, of Hobart — forms 

 Part iii. of the Proceedings for 1901 recently issued; and was 

 passing through the press at the time of his death. Professor 

 Tate came out to Australia in 1875 as the first occupant of the 



