Echinodermata, absence of secondary sexual characters in.
Echis carinata.
Ecker, figure of the human embryo; on the development of the gyri and
sulci of the brain; on the sexual differences in the pelvis in man; on
the presence of a sagittal crest in Australians.
Edentata, former wide range of, in America; absence of secondary sexual
characters in.
Edolius, racket-shaped feathers in.
Edwards, Mr., on the proportion of the sexes in North American species
of Papilio.
Eels, hermaphroditism of.
Egerton, Sir P., on the use of the antlers of deer; on the pairing of
red deer; on the bellowing of stags.
Eggs, hatched by male fishes.
Egret, Indian, sexes and young of.
Egrets, breeding plumage of; white.
Ehrenberg, on the mane of the male Hamadryas baboon.
Ekstrom, M., on Harelda glacialis.
Elachista rufocinerea, habits of male.
Eland, development of the horns of the.
Elands, sexual differences of colour in.
Elaphomyia, sexual differences in.
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