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Microscopic Hunting in Winter-Water-bears, or Tardigrada-Their comical behaviour-Mode of viewing them-Singular gizzard-A compressorium-Achromatic condenser-Mouth of the Water-bear-Water-bears' exposure to heat-Soluble albumen-Physiological and chemical reasons why they are not killed by heating and drying-The Trachelius ovum-Mode of swimming-Method