This indicates to the engraver that the subject may be cropped to yield the size desired, but it is advisable that the position for the crop also be determined and marked, else some essential feature of the copy may be cut off by arbitrary cropping to get the required size.

Our delightful task / To prune these growing plants, and tend these flowers.

[…] out of their own torment, they [the damned] see the felicitie of the saints; togither with their impossibility of attayning it.

Religious Societies, though begun with excellent Intention, and by Perſons of true Piety, have dwindled into factious Clubs; […]