| Crosscutting relationships between these re-exposed and tilted peneplains and a third peneplain, an epigene and horizontal plain with residual hills, demonstrate that the latter is younger and thus of post-Cretaceous age. |
| But it is only a depraved taste that can prefer such an epigene to the fresh desert-music of Imr-al-Kais. |
| Thus, we have constructed a hereditary unit of a specific kind, namely, a two-component stationary epigene with preset properties. |
