Science: v.1-v.219Moses King, 1967 |
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... Recent development of a microelectrode has enabled the first con- tinuous recording of the pH of the secretion of the normally functioning acces- sory boring organ of the shell - boring predatory snail Urosalpinx . The recording was ...
... Recent development of a microelectrode has enabled the first con- tinuous recording of the pH of the secretion of the normally functioning acces- sory boring organ of the shell - boring predatory snail Urosalpinx . The recording was ...
Стр. 1315
... recent and glacial sediments . The ranges of each species are delineated in Figs . 1 and 2 by two lines marking the boundaries of the recent and glacial populations . These lines are drawn on the extreme northern or southern ap ...
... recent and glacial sediments . The ranges of each species are delineated in Figs . 1 and 2 by two lines marking the boundaries of the recent and glacial populations . These lines are drawn on the extreme northern or southern ap ...
Стр. 1316
... recent and glacial is ap- proximately 15 ° latitude and even great- er between living material and glacial ( 4 ) . At the opposite extreme in tempera- ture tolerance is Umbellosphaera ir- regularis ( Fig . 1 ) , a tropical species . The ...
... recent and glacial is ap- proximately 15 ° latitude and even great- er between living material and glacial ( 4 ) . At the opposite extreme in tempera- ture tolerance is Umbellosphaera ir- regularis ( Fig . 1 ) , a tropical species . The ...
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