REPORT OF COUNCIL. Xill. 
and succeeding years in conjunction with Rev. Dr. Dallin- 
ger he wrote a series of original papers on ‘The Life- 
history of Monads.”’ These last essays were the result of 
remarkably careful and continuous microscopical work and 
attracted much attention in the scientific world from the 
light they threw on the mode of development and propa- 
gation of these minute organisms. 
In 1878 he issued ‘“‘The Germ Theory of Infectious 
Diseases,” Anticipating in the application of his argument 
to practical medicme much of the work that Pasteur has 
since carried out. In his Presidential. Address to this 
Society he took as his subject ‘‘The Definition of Life 
as affected by the Protoplasmic Theory,” reviewing the 
theories of Fletcher, John Brown, Herbert Spencer, Beale, 
and others, and giving as a concise simplified definition 
“Tiife is the interaction of protoplasm with the environ- 
ment.” 
In Prof. Herdman’s scheme for investigating the Fauna 
and Flora of Liverpool Bay, Dr. Drysdale took a warm 
and active interest and was a frequent attender of the 
various expeditions of the Liverpool Marine Biology 
Committee. 
PACsey 
7 J: MOORE, A.i:S: 
Thomas John Moore, A.L.S., late President of this 
Society, was born in London in 1824. He belonged to an 
old Norfolk family and his father was connected with the 
Zoological Society of London for many years. Mr. Moore 
when a youth was also associated with that Society, but in 
1845, at the age of nineteen, he came to Liverpool and was 
engaged as assistant to Mr. John Thompson, curator of 
the Natural History Collection at Knowsley, formed by 
the 13th Earl of Derby from 1836 to 1851. On the death 
of the Earl in the latter year the Derby Collection was 
