ZoBell 



— 240 — 



Marine Microbiology 



— in lakes, 131 



— in sediments, 99 



— on fish, 123, 189 



— on submerged surfaces, 56 



— pink, 102, 130, 178, i88, 190 



Zignoella, calospora, 134 



— enormts, 134 



ZoBell Medium 2216, 41, 42 

 ZoBell water sampler, 29-31 

 Zones, biotic, 11 

 Zooplankton, 24 



— decomposition of, 143 



— ingest bacteria, 174 



— in lakes, 136 



— phosphorus content, i68 



— relation to bacteria, 78-80, 174 

 Zostera marina, 23, 134 148, 171 

 Zuider Zee, 4, 152 



