Eocene period, possible divergence of men during the.
Eolidae, colours of, produced by the biliary glands.
Epeira nigra, small size of the male of.
Ephemerae.
Ephemeridae.
Ephippiger vitium, stridulating organs of.
Epicalia, sexual differences of colouring in the species of.
Equus hemionus, winter change of.
Erateina, coloration of.
Ercolani, Prof., hermaphroditism in eels.
Erect attitude of man.
Eristalis, courting of.
Eschricht, on the development of hair in man; on a languinous moustache
in a female foetus; on the want of definition between the scalp and the
forehead in some children; on the arrangement of the hair in the human
foetus; on the hairiness of the face in the human foetus of both sexes.
Esmeralda, difference of colour in the sexes of.
Esox lucius.
Esox reticulatus.
Esquimaux, their belief in the inheritance of dexterity in
seal-catching; mode of life of.
Estrelda amandava, pugnacity of the male.
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