EYTON, Mr., on gestation in the dog. -variability in number of vertebrae in the pig. -individual sterility.
Faba vulgaris.
Fabre, observations on Aegilops triticoides.
Fagus sylvatica.
FAIRWEATHER, Mr., production of double flowers from old seed.
FAIVRE, on the Primula sinensis.
Falco albidus, resumption of young plumage by, in captivity.
Falco ossifragus.
Falco subbuteo, copulating in captivity.
Falco tinnunculus, breeding in captivity.