F.R.S.—Fellow of the Royal Society.

F.R.S.C.—Fellow of the Royal Society of Canada.

Fri.—Friday.

Ft.—Foot.

Fut.—Future.

Ga.—Georgia.

Gal.—Gallon.

G.B.—Great Britain.

G.C.M.—Greatest common measure.

Gen(l).—General.