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The Study of the Sound Production Apparatus in the Harbour Porpoise, Phocoena Phocoena, and the Jacobita, Cephalorhynchus Commersoni by Means of Serial Cryo-Microtome Sectioning and 3-D Computer Graphics

  • Mats Amundin
  • Erik Kallin
  • Sten Kallin
Part of the NATO ASI Science book series (NSSA, volume 156)

Abstract

This preliminary report gives the first results from a study using high resolution 3-D computer reconstructions to describe the sound production apparatus of the harbour porpoise, Phocoena phocoena and the jacobita or the Commerson’s dolphin, Cephalorhynchus commersoni. As the majority of investigators seem to agree that the sound source lies in the upper nasal passage (Norris et al., 1971; Diercks et al., 1971; Hollien et al., 1976; Dormer, 1979; Ridgway et al., 1980; Amundin and Andersen, 1983), the present study was restricted to the area from the bony nares to the blowhole.

Keywords

Sound Production Nasal Passage Harbour Porpoise Aquatic Mammal Nasal Tract 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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Copyright information

© Plenum Press, New York 1988

Authors and Affiliations

  • Mats Amundin
    • 1
    • 2
  • Erik Kallin
    • 1
    • 2
  • Sten Kallin
    • 3
  1. 1.Dept. of Functional Morphology, Zoological InstituteUniversity of StockholmSweden
  2. 2.Kolmardens DjurparkSweden
  3. 3.IBM SwedenStockhoImSweden

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