Alam, Parvez Amini, Shahrouz Tadayon, Maryam Miserez, Ali and Chinsamy, Anusuya 2016. Properties and architecture of the sperm whale skull amphitheatre. Zoology, Vol. 119, Issue. 1, p. 42.
Huggenberger, Stefan André, Michel and Oelschläger, Helmut H. A. 2016. The nose of the sperm whale: overviews of functional design, structural homologies and evolution. Journal of the Marine Biological Association of the United Kingdom, Vol. 96, Issue. 04, p. 783.
Cupello, Camila Brito, Paulo M. Herbin, Marc Meunier, François J Janvier, Philippe Dutel, Hugo and Clément, Gaël 2015. Allometric growth in the extant coelacanth lung during ontogenetic development. Nature Communications, Vol. 6, p. 8222.
Green, Sara 2014. A Philosophical Evaluation of Adaptationism as a Heuristic Strategy. Acta Biotheoretica, Vol. 62, Issue. 4, p. 479.
Shibuya, Koji and Yoshii, Sho 2013. New Volume Change Mechanism Using Metal Bellows for Buoyancy Control Device of Underwater Robots. ISRN Robotics, Vol. 2013, p. 1.
Ayob, Mohammad Afif Hanafi, Dirman and Johari, Ayob 2013. Dynamic Leveling Control of a Wireless Self-Balancing ROV Using Fuzzy Logic Controller. Intelligent Control and Automation, Vol. 04, Issue. 02, p. 235.
Nakamura, Gen Zenitani, Ryoko and Kato, Hidehiro 2013. Relative Skull Growth of the Sperm Whale,Physeter macrocephalus, with a Note of Sexual Dimorphism. Mammal Study, Vol. 38, Issue. 3, p. 177.
Pond, D. W. 2012. The physical properties of lipids and their role in controlling the distribution of zooplankton in the oceans. Journal of Plankton Research, Vol. 34, Issue. 6, p. 443.
SHIBUYA, Koji INOUE, Tomotaka and KAWAI, Kota 2010. Development of a Buoyancy Control Device with Two-Step Piston Mechanism Utilizing Phase Change of Material Based on the Spermaceti Oil Hypothesis. Journal of the Society of Biomechanisms, Vol. 34, Issue. 3, p. 254.
Schulz, Tyler M. Whitehead, Hal and Rendell, Luke 2009. Off-axis effects on the multi-pulse structure of sperm whale coda clicks. The Journal of the Acoustical Society of America, Vol. 125, Issue. 3, p. 1768.
Gero, Shane and Whitehead, Hal 2007. SUCKLING BEHAVIOR IN SPERM WHALE CALVES: OBSERVATIONS AND HYPOTHESES. Marine Mammal Science, Vol. 23, Issue. 2, p. 398.
Laplanche, Christophe Adam, Olivier Lopatka, Maciej and Motsch, Jean-François 2006. Measuring the off-axis angle and the rotational movements of phonating sperm whales using a single hydrophone. The Journal of the Acoustical Society of America, Vol. 119, Issue. 6, p. 4074.
Rendell, Luke and Whitehead, Hal 2004. Do sperm whales share coda vocalizations? Insights into coda usage from acoustic size measurement. Animal Behaviour, Vol. 67, Issue. 5, p. 865.
MacLeod, Colin D 2002. Possible functions of the ultradense bone in the rostrum of Blainville's beaked whale (Mesoplodon densirostris). Canadian Journal of Zoology, Vol. 80, Issue. 1, p. 178.
Castellini, Michael 2000. History of polar whaling: insights into the physiology of the great whales. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, Vol. 126, Issue. 2, p. 153.
This paper will discuss the buoyancy of the sperm whale throughout its range and show that the whale probably has some control over its own buoyancy. Evidence will then be presented in support of the hypothesis that the whale can attain neutral buoyancy at depths greater than 200 m by control of the temperature of the spermaceti oil in its head. As a basis for this, papers describing the detailed structure and proportions of the whale (Clarke, 1978a) and some physical properties of spermaceti oil (Clarke, 1978b) have already been published.
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