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Monogamy, not primitive. Monogenists. Mononychus pseudacori, stridulation of. Monotremata, development of the nictitating membrane in; lactiferous glands of; connecting mammals with reptiles. Monstrosities, analogous, in man and lower animals; caused by arrest of development; correlation of; transmission of.
Smith, F., on the Cynipidae and Tenthredinidae; on the relative size of the sexes of Aculeate Hymenoptera; on the difference between the sexes of ants and bees; on the stridulation of Trox sabulosus; on the stridulation of Mononychus pseudacori. Smynthurus luteus, courtship of. Snakes, sexual differences of; mental powers of; male, ardency of. "Snarling muscles."
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