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NATURE & GASTRONOMY

  

 

 

  Chambered Nautilus shell (cross-section)

 

Thailand

Cross-section of a Chambered Nautilus (fig.) shell.  It contains a series of separate chambers, sealed by thin partitions and arranged in a more or less logarithmic spiral. The animal lives in the largest chamber, which opens to the outside. The remaining chambers are filled with gas, and by adjusting the amount of liquid in them, the Nautilus is able to adjusts its buoyancy and to dive. See also List of Thai Animal Names.

See POSTAGE STAMP.