HYPOTHESIS OF ANIMAL EXCLUSION 



Table LIX 



3°9 



Correlations of phosphate values and the same organisms as given in Table L VIII, but 

 divided into stations taken in daylight and stations taken in darkness 



a_h Omitting outstanding high catches shown under Table LVIII. 

 J ,, one catch of 240 at St. 124. 



the field, so that at each N 100 station in all later surveys instead of three N 100 H nets 

 being towed simultaneously for a mile — one near the surface and two at lower levels of 

 approximately 50-75 m. and 100-150 m. — only one net was used, lowered to approxi- 

 mately 100 or 150 m. and hauled obliquely to the surface whilst the ship travelled two- 

 thirds of a mile. Thus at each station in our surveys three miles of water were sampled 

 as against just over two-thirds of a mile in later surveys, i.e. 4! times the quantity. By 

 40 



