APHIDES, attacking pear-trees. -development of.
APOPLEXY, hereditary, occurring at a certain age.
APPLE. -fruit of, in Swiss lake-dwellings. -rendered fastigiate by heat in India. -bud-variation in the. -with dimidiate fruit. -with two kinds of fruit on the same branch. -artificial fecundation of. -St. Valery. -reversion in seedlings of. -crossing of varieties of. -growth of the, in Ceylon. -winter majetin, not attacked by coccus. -flower-buds of, attacked by bullfinches. -American, change of, when grown in England.
APRICOT. -glands on the leaves of. -analogous variation in the.
Aquila fusca, copulating in captivity.
Aquilegia vulgaris.
ARAB boarhound, described by Harcourt.
Arabis blepharophylla and A. soyeri, effects of crossing.
Aralia trifoliata, bud-variation in leaves of.
ARAUCARIAS, young, variable resistance of, to frost.