ALBINOES, heredity of.

ALBINUS, thickness of the epidermis on the palms of the hands in man.

ALCO.

ALDROVANDI, on rabbits. -description of the nun pigeon. -on the fondness of the Dutch for pigeons in the seventeenth century. -notice of several varieties of pigeons. -on the breeds of fowls. -on the origin of the domestic duck.

ALEFIELD, Dr., on the varieties of peas and their specific unity. -on the varieties of beans.

ALEXANDER the Great, his selection of Indian cattle.

ALGAE, retrogressive metamorphosis in. -division of zoospores of,

ALLEN, J., birds in United States.

ALLEN, W., on feral fowls.

ALLMAN, Professor, on a monstrous Saxifraga geum. -on the Hydroida.