Letter | Published:

Experimental Production of a Pouch in the Male of Trichosurus vulpecula


THE female of Trichosurus vulpecula, the common Australian phalanger or possum, has a well-developed pouch, while the male possesses in the corresponding region a large pendulous scrotum. On injecting large doses of cestrogen into males of varying ages there appeared at the sides of the scrotum skin folds which strongly suggested the formation of a rudimentary pouch, particularly in immature animals1.

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  1. 1

    Bolliger, A., and Carrodus, A., Australian and New Zealand J. Surgery, 9, 155 (1939).

  2. 2

    Bolliger, A., and Carrodus, A., J. Roy. Soc, N.S.W., 73, 218 (1940).

  3. 3

    Burns, R., J. Morph., 65, 79 (1939).

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