PORTAL, on a peculiar hereditary affection of the eye.
PORTO Santo, feral rabbits of.
Portulaca oleracea.
Potamochoerus penicillatus.
POTATO. -bud-variation by tubers in the. -graft-hybrid of, by union of half-tubers. -individual self-impotence in the. -sterility of. -advantage of change of soil to the.
POTATO, sweet, sterility of the, in China. -varieties of the, suited to different climates.
POUCHET, M., his views on plurality of races.
POUTER pigeons. -furculum figured. -history of.
POWIS, Lord, experiments in crossing humped and English cattle.
POYNTER, Mr., on a graft-hybrid rose.