ABSTRACT
The pattern of changing levels of radioactivity is given
for the tissues of land hermit crabs, Coenobita perlatus,
from
Belle Island, Eniwetok Atoll, during a period of nearly two
years following the 1954 series of atomic tests.
gpI, y?,
and csl37 were the principal long-lived fission products found.
gr9° levels in the skeleton remained constant throughout the
period of study.
ACKNOWLEDGMENTS
The wholehearted cooperation of all members of the staff
of the Applied Fisheries Laboratory, who at various
participated in the collection
made this report possible.
times
and preparation of
samples,
Miss Dorothy J. South supplied
the results of the radiocesiun, radioceriun, and some radioStrontium determinations.
The cooperation of the U. S&S. Atomic
Energy Commission Division of Biology and Medicine and the
Eniwetok Field Office, Task Group 7.1, and Holmes and Narver
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te
greatly facilitated the field collecting.
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