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Updated: June 7, 2025
It is often difficult to say which of the two sexes departs most from the ordinary coloration of the genus to which the species belong; but Mr. This author has recently published a valuable essay on the 'Caratteri sessuali secondarii degli Arachnidi, in the 'Atti della Soc. Veneto-Trentina di Sc. Nat. Padova, vol. i. I am informed by Mr.
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