Thrush, pairing with a blackbird; colours and nidification of the.
Thrushes, characters of young.
Thug, remorse of a.
Thumb, absence of, in Ateles and Hylobates.
Thury, M., on the numerical proportion of male and female births among the Jews.
Thylacinus, possession of the marsupial sac by the male.
Thysanura.
Tibia, dilated, of the male Crabro cribrarius.
Tibia and femur, proportions of, in the Aymara Indians.
Tierra del Fuego, marriage-customs of.