410 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



marine animals, and have definitely shown that the pre- 

 ponderating amount of food consumed by such animals is 

 utilised for increases of the animal by growth and for 

 sexual reproduction, and that but a small fraction is 

 oxidised for the metabolic needs of the animal in other 

 activities than growth and reproduction. 



Our thanks are due to Mr. W. H. Evans and 

 Mr. Arthur Webster for much assistance in the chemical 

 analyses, and to the Trustees of the Percy Sladen 

 Memorial for the necessary funds to carry out the work. 



