ABUTILON, graft hybridisation of.
ACCLIMATISATION, of maize.
ACERBI, on the fertility of domestic animals in Lapland.
Achatinella.
Achillea millefolium, bud variation in.
Aconitum napellus, roots of, innocuous in cold climates.
Acorus calamus, sterility of.
ACOSTA, on fowls in South America at its discovery.
Acropera, number of seeds in.
ADAM, M., origin of Cytisus adami.