In order to conceive of the faculties possessed by these ultra-terrestrial beings, reflect for a moment upon the eyes of some insects--of those, for instance, which have the power to draw in, to lengthen out, or to flatten the crystalline lens so as to make it magnify in different degrees;
(the faculties; possessed; by these ultra-terrestrial beings) (those; have; the power to draw in, to lengthen out, or to flatten the crystalline lens)
the faculties those
possessed have
by these ultra-terrestrial beings
the power to draw in, to lengthen out, or to flatten the crystalline lens