...preparation of Paramecia, the following behavior may often be observed. An individual swims against it, gives the avoiding reaction in a slightly marked...without the slightest evident change in the outer conditions. So far as can be seen, the Paramecium first responds to the solid by the avoiding reaction,...

...preparation of Paramecia, the following behavior may often be observed. An individual swims against it, gives the avoiding reaction in a slightly marked...paper. Then it may leave the paper and go on its way " (211, p. 101). Behavior of this type, where a stimulus at first occasions the negative reaction,...

...preparation of Paramecia, the following behavior may often be observed. An individual swims against it, gives the avoiding reaction in a slightly marked...paper. Then it may leave the paper and go on its way " (211, p. 101). Behavior of this type, where a stimulus at first occasions the negative reaction,...

...preparation of Paramoecia, the following behavior may often be observed. An individual swims against it, gives the avoiding reaction in a slightly marked...without the slightest evident change in the outer conditions. So far as can be seen, the Paramoecium first responds to the solid by the avoiding reaction,...

...anchored to the surface, then shifts its position upon it, remains quiet again, and then swims away. "All this may happen without the slightest evident change in the outer conditions. So far as can be seen, the Paramcecium first responds to the solid by the avoiding reaction,...