| This is because the limits of the circumscription of an ICZN-taxon can only be approximated using the species and diagnostic characters listed by the author. |
| It would not do to allege our human inability to conceive, or in imagination to draw, such a circumscription. |
| This circumscription established the provincial collective entities respectively. |
| The skiagram, or drawing in simple outlines, as in the circumscriptions of shadows. |
| Cameroon boasts of 24 ecclesiastical circumscriptions, 816 parishes and 3,630 pastoral centres of other kinds. |
| Further studies are needed to clarify species circumscriptions. |
