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Biol Bull 127: 271-279. (October 1964)
© 1964 Marine Biological Laboratory
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THE EFFECT OF NITROGEN, OXYGEN AND CARBON DIOXIDE IN PRODUCING THE DISTRESS SYNDROME IN TAPHIUS GLABRATUS (GASTROPODA, PULMONATA)

HAROLD W. HARRY 1 and JEROME B. SENTURIA 1

1 Biology Department, Rice University, Houston 1, Texas

1. Taphiusy glabratus shows no abnormal reaction to anoxia induced by nitrogen during 24 hours' exposure. It also shows normal behavior in pure oxygen for that length of time.

2. In the absence of oxygen, 5% carbon dioxide produces mild distress, from which snails recover; 20% carbon dioxide evokes severe destress, from which snails did not recover; and 100% carbon dioxide resulted in immediate retraction and death.

3. In the presence of even smaller than normal amounts of oxygen, 5% and 20% carbon dioxide produced no deleterious effects on the snail.






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