Its eyes are large, and the pupil is extremely contractile.

It hides itself during the day, and is lively only at nights.

It haunts rooms, especially kitchens, in Egypt, where it finds the insects which form its ordinary food.

Its feet constitute its most marked characteristic.

The five toes are enlarged and furnished with an apparatus of folds, which, by some peculiar action, enable it to adhere to perfectly smooth surfaces, to ascend perpendicular walls, cross ceilings, or hang suspended for hours on the under side of leaves.