554 



SUBJECT INDEX 



Woods Hole 



Oceanographic Institution, 114, 300, 361 

 phytoplankton seasonal cycles, 441 



Xanthine, 226 



Yellowfin tuna, 477, 480 ff 



"Yellow substance" studied by Kalle, 349 



Zooplankton 



carbon, nitrogen, phosphorus in, 27 



distribution in Pacific Ocean, 277 



ecological zones, 385 



forage animals, relation to, 460 



growth, 443 



indicators, 382 ff 



stochastic fluctuations, 452 



