... yielded m females and n males. Then, if my conclusions are correct, it must be in the mother's power, when the conditions are different, to take from the m group and increase the n group to the same extent; it must be possible for her laying to be represented as m-1, m-2, m-3, etc. females and by n1, n2, n3, etc. males, the sum of mn remaining constant, but one of the sexes being partly permuted into the other. The ultimate conclusion even cannot be disregarded: we must admit a set of eggs represented by m-m, or zero, females and of nm males, ... — Bramble-bees and Others • J. Henri Fabre Read full book for free!
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