Pandanus.
PANGENESIS, hypothesis of.
Panicum, seeds of, used as food. -found in the Swiss lake-dwellings.
PANSY.
PAPPUS, abortion of the, in Carthamus.
Paradoxurus, sterility of species of, in captivity.
PARAGUAY, cats of. -cattle of. -horses of. -dogs of. -black-skinned domestic fowl of.
PARALLEL variation.
PARAMOS, woolly pigs of.
PARASITES, liability to attacks of, dependent on colour.