Fig.\. Fig. 2. the admission of any particles of foreign matter; andthese objects are effected by the mechanism representedin fig. 4, which is a highly magnified view of the smalloval apertures seen along each side of fig. 2. In aquatic creatures the above arrangement of the MICROSCOPIC OBJECTS. 55…
Microscopy
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![An illustration from The textile manufactures of the ancients : embracing the history of silk, linen, cotton, wool, and other fibrous substances : deduced from Yate's [sic] Textrinum antiquorum, and other authentic sources (1873)](https://img.insideoutlibrary.com/img/200/ia-textilemanufactu00prac-153-2.webp)
