able, the relationship of this to the endocrine glands is almost totally lacking.
Arginine-vasopressin and oxytocin have been identified in the fin -back whale
(CHAUVET, CHAUVET, and ACHER, 1963) and corticosteroids, including
aldosterone, have been identified in the adrenal cortex of the sperm whale (RACE
and Wu, 1961). Marine mammals have rather special osmotic problems so that an
extension of these observations would be most interesting.
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