to be worked on more thoroughly by specialists in particu- 

 lar fields, such as Porifera or Tunicata, which, at the 

 present time, seem to be represented so lightly at 

 Enewetak Atoll. By having a named reference collection, 

 the researchers there were able to identify organisms used 

 in their studies on biochemistry, ecology, productivity, 

 animal or plant associations, physiology, immunology, 

 radiobiology, growth rates, and reproduction. They were 

 also able to make broad interpretations of reef chronology, 



geochemistry, stratigraphy, and biogeographic distribution. 

 The checklist contained in each chapter has a coded 

 entry symbol placed before the generic designation to indi- 

 cate (1) if the organism represents a newly recorded 

 species for Enewetak or for the Marshall Islands, (2) if it is 

 a fossil record, or (3) if it has some other reason to be so 

 marked. The explanations for these codes follow each 

 species checklist. 



XVHI 



