Sentence Examples


  • Both genera are characterized by their habit of secreting a tubular gelatinoid investment, the "coenoecium," composed of a number of superposed lamellae, doubtless the result of its intermittent secretion, mainly though perhaps not exclusively, by the proboscides of the zooids.
  • Other species the glands are confined to the lower portion of the cavity surface, while the upper part bear a smooth waxy secretion on which it is impossible, or at any rate extremely difficult, for insects to secure a foothold.
  • It has been proved that the secretion contains a digestive ferment capable of rendering proteid matter soluble.
  • The secretion wets an insect very rapidly, but, so far as is known, seems to be completely destitute of digestive power - indeed, rather to accelerate decomposition.
  • The lid is especially attractive to insects from its bright colour and honey secretion; three wings lead up to the mouth of the pitcher, on the inside of which a row of sharp spines points downwards, and below this a circular ridge (r, fig.

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