Evenings at the microscope : or, Researches among the minuter organs and forms of animal life (1884)
Gosse, Philip Henry, 1810-1888 · London : Society for Promoting Christian Knowledge · leaf 22
apparently empty ; but their walls ap-pear opaque and almost black,—an opticalillusion, dependent on the absorption of thelight by their surfaces at certain angles withthe eye of the beholder. The fibrous portion is herealmost displaced by the great development of the medul-lary cells. In the… … HAIRS OF MOLE. The pith here again forms the greater portion of the hair,the cells of which it is composed being placed in singleseries, which, for the most part,extend all across the body ofthe hair, though they are some-what irregular both in sizeand shape. They are ratherflattened, and appear…
Zoology · Microscopy
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