he that gathereth not every day as much as I doe, the next day shall be set beyond the river, and be banished from the Fort as a drone, till he amend his conditions or starve.

Survivals of this sort are known as ‘skiamorphs’ (shadow shapes), and in one form or another they are very common in technology, A modern instance is the survival of timber graining on the surface of plastic mouldings and furniture.

The general form is called the tetragonal trapezohedron. In this case also there are both left- (Fig. 97) and right-handed (Fig. 98) forms.

He looked up, met gray eyes ringed with paintstick. She was wearing faded French orbital fatigues and new white sneakers.