Crossword-Solution: OCELLUS 7 letters, 4 clues 🏆 scrabble score: 9

This eye structure seemed remarkable in a beast whose haunts were upon a glaring field of ice and snow, and though I found upon minute examination of several that we killed that each ocellus is furnished with its own lid, and that the animal can at will close as many of the facets of his huge eyes as he chooses, yet I was positive that nature had thus equipped him because much of his life was to be spent in dark, subterranean recesses.

Each ocellus is furnished with its own lid, and the apt can, at will, close as many of the facets of his huge eyes as he chooses.

For instance, in the Australian Gastrophora the upper surface of the fore-wing is pale greyish-ochreous, while the lower surface is magnificently ornamented by an ocellus of cobalt-blue, placed in the midst of a black mark, surrounded by orange-yellow, and this by bluish-white.

Gould soon made the case clear to me, for he held the feathers erect, in the position in which they would naturally be displayed, and now, from the light shining on them from above, each ocellus at once resembled the ornament called a ball and socket.

African moth (Gynanisa isis), allied to our Emperor moth, in which a magnificent ocellus occupies nearly the whole surface of each hinder wing; it consists of a black centre, including a semi-transparent crescent-shaped mark, surrounded by successive, ochre-yellow, black, ochre-yellow, pink, white, pink, brown, and whitish zones.