It's Paul and Paulette who are bunking separately, at least last night.
Embryology shows that originally these different parts are separately started, and only ultimately become united into one.
Pierre heard the French consulting whether to shoot them separately or two at a time.
In planting rice three methods are in use: the cultivation of swamp-rice in irrigated fields; the planting of ploughed areas; and the planting of hill-rice by sowing each grain separately in holes bored for the purpose.
And without considering the multiplicity and complexity of the conditions any one of which taken separately may seem to be the cause, he snatches at the first approximation to a cause that seems to him intelligible and says: "This is the cause!"