outer margin in a sentence

Examples

1. The hindwings are pearly white, but dusky toward the outer margin.
2. The hindwings are ochreous grey and darker along the outer margin.
3. Some of the veins on the outer margin are light brown.
4. The outer margin has a dark spot below the apex.
5. The hindwings are greyish, becoming darker towards the outer margin.
6. The hindwings are dirty whitish, darkest along the outer margin.
7. The hindwings are blackish brown with a light-brown outer margin.
8. The hindwings are brown, but darker towards the outer margin.
9. The forewing outer margin is denticulate and the apex truncate-sinuate.
10. The costa and fringe of the outer margin is white.