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November 16, 1929, Vol 93, No. 20 >

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ARTICLE | November 16, 1929

ITALY

JAMA. 1929;93(20):1577-1578. doi:10.1001/jama.1929.02710200061026.
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ABSTRACT

Meeting of the Society of Experimental Biology  The annual meeting of the Società di biologia sperimentale was held recently in Florence on the occasion of the Congress of the Society for the Advancement of Science. Professor Beccari of the University of Florence presided. He was assisted by Prof. Filippo Bottazzi, general secretary of the society, who is also an "academician of Italy" and a member of the department of physiology in the University of Naples.Professor Beccari discussed the subject of the experimental inversion of sex in vertebrates. The speaker stated that there have been spontaneous cases of inversion of sex, a most typical example having been in hens, in which the ovaries were destroyed by tumors or by tuberculosis, whereupon male organs developed, so that they became genuine male birds, capable of producing progeny. Various methods of experimental research have been employed. Attempts have been made, by various procedures,

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