For instance, if a large number of fish were placed in a very small bowl there would be constant friction due to the inevitable contact between them, and the action of each would be retarded because of the congested condition existing within the bowl;
たとえば多数の魚が非常に小さな鉢のなかに入れられると、魚たちのあいだに避け得られない接触が起こるために絶え間のない摩擦が生じ、鉢のなかの混雑した状態によって各魚の活動は互いに妨害される。