animals

"The Law of Effect is that: Of several responses made to the same situation, those which are accompanied or closely followed by satisfaction to the animal will, other things being equal, be more firmly connected with the situation, so that, when it recurs, they will be more likely to recur; those which are accompanied or closely followed by discomfort to the animal will, other things being equal, have their connections with that situation weakened, so that, when it recurs, they will be less likely to occur.

(2) That instinct is only adapted to achieve this end in the usual circumstances of the animal in question, and has no more precision than is necessary for success AS A RULE;

It is partly for this reason that it is so important to understand the fundamental position of instinct in prompting both animal and human behaviour.

The bullet did its work; it hit the animal, and, sliding off the rounded surface, was lost in two miles depth of sea.

Now I thought our expedition was at an end, and that we should never again see the extraordinary animal. I was mistaken.

The frigate approached noiselessly, stopped at two cables' lengths from the animal, and following its track.

Those tertiary epochs, which we are apt to consider as abounding to an astonishing degree with large animals, because we find the remains of many ages accumulated at certain spots, could hardly boast of more large quadrupeds than Southern Africa does at present.

These remarks, I may be permitted to add, directly bear on the case of the Siberian animals preserved in ice.

"Do not speak further, thou convalescent!"--so answered his animals, "but go out where the world waiteth for thee like a garden.

--"O ye wags and barrel-organs, do be silent!" answered Zarathustra, and smiled at his animals. "How well ye know what consolation I devised for myself in seven days!

It has often been assumed that man has chosen for domestication animals and plants having an extraordinary inherent tendency to vary, and likewise to withstand diverse climates.

In the case of most of our anciently domesticated animals and plants, I do not think it is possible to come to any definite conclusion, whether they have descended from one or several species.