PTARMIGAN fowls.
Pulex penetrans.
PUMPKINS.
PUNO ponies of the Cordillera.
PUSEY, Mr., value of crossbred sheep. -preference of hares and rabbits for common rye.
PUTSCHE and Vertuch, varieties of the potato.
PUVIS, effects of foreign pollen on apples. -supposed non-variability of monotypic genera.
Pyrrhula vulgaris. -assumption of the hen-plumage by the male, in confinement.
PYRRHUS, his breed of cattle.
Pyrus, fastigiate Chinese species of.