Mortality, comparative, of female and male.
Morton on the number of species of man.
Moschkau, Dr. A., on a speaking starling.
Moschus moschiferus, odoriferous organs of.
Motacillae, Indian, young of.
Moth, odoriferous.
Moths, absence of mouth in some males; apterous female; male, prehensile use of the tarsi by; male, attracted by females; sound produced by; coloration of; sexual differences of colour in.
Motmot, inheritance of mutilation of tail feathers; racket-shaped feathers in the tail of a.
Moult, double; double annual, in birds.
Moulting of birds.