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.