We thus see that the first stages of the transit of the eye from one side of the head to the other, which Mr. Mivart considers would be injurious, may be attributed to the habit, no doubt beneficial to the individual and to the species, of endeavouring to look upward with both eyes, while resting on one side at the bottom.
Horrela ikusten dugu begiak buruaren alde batetik bestera pasatzean dituen lehen etapak, Mivartek kaltegarritzat jotzen dituenak, arraina hondoan alde batera etzanik begi biez gora begiratzen ahalegintzeko duen azturari iratxeki dakizkiokeela, dudarik gabe banako eta espeziearentzat onuragarria den aztura berau.