Fragments with German intertitles, probably from two or three quite distinct films, showing: -- (i) Various species of fly (Stubenfliegen; house-flies), a fly juggles with a ball of dirt; -- (ii) Microscopic slides of bacteria under magnification (including streptococci and staphyllocci); -- (iii) Horses (apparently in the context of their immunity to certain fly-borne infectious diseases).
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