208 TEANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



organisms — both plants and animals — which serve as food, 

 act as enemies, or influence their neighbours in other more 

 obscure and subtle ways difficult to determine. Edward 

 Forbes wrote long ago, " Geology and Zoology will gain 

 as much by inquiring how our marine animals are associ- 

 ated together as by investigating genera and species, 

 though the former subject has as yet been but little 

 attended to in comparison with the latter." Things are a 

 little better now. The teachings of Darwin in regard to 

 the inter-relations of species have told upon the work of 

 the last quarter of a century, but we still require much 

 accurate knowledge in regard to the factors which limit 

 the existence of a species, and I trust that we may be able 

 to do something at the Port Erin Biological Station 

 towards supplying this want. 



The usual statement of the Hon. Treasurer, and the 

 lists of subscriptions and donations is appended to this 

 Eeport. 



The Dredi 



