Leptura testacea, difference of colour in the sexes.
Leroy, on the wariness of young foxes in hunting-districts; on the
desertion of their young by swallows.
Leslie, D., marriage customs of Kaffirs.
Lesse, valley of the.
Lesson, on the birds of paradise; on the sea-elephant.
Lessona, M., observations on Serranus.
Lethrus cephalotes, pugnacity of the males of.
Leuciscus phoxinus.
Leuckart, R., on the vesicula prostatica; on the influence of the age
of parents on the sex of offspring.
Levator claviculae muscle.
Libellula depressa, colour of the male.
Libellulidae, relative size of the sexes of; difference in the sexes
of.
Lice of domestic animals and man.
Licentiousness a check upon population; prevalence of, among savages.
Lichtenstein, on Chera progne.
Life, inheritance at corresponding periods of.
Light, effects on complexion; influence of, upon the colours of shells.
Lilford, Lord, the ruff attracted by bright objects.
Limosa lapponica.
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