They are small degenerate animals with a relatively firm integument.
Cattle and horses, where introduced, are found to degenerate rather rapidly unless the supply of fresh stock is kept up. Birds are more numerous than mammals, among the most important kinds being the pigeons and doves, especially the fruit-eating pigeons.
These very thick seams are, however, rarely constant in character for any great distance, being found commonly to degenerate into carbonaceous shales, or to split up into thinner beds by the intercalation of shale bands or partings.
In this way he claimed that he had secured liberty in its rights without allowing it to degenerate into licence.
From the number of its cheek-teeth, the banded ant-eater has been regarded as related to some of the primitive Jurassic mammals; but this view is disputed by Mr Bensley, who regards this multiplicity of teeth as a degenerate feature.
The similarity of the form of their appendages to those of the scorpions suggests that they are a degenerate group derived from the latter, but the large size of the prae-genital somite in them would indicate a connexion with forms preceding the scorpions.
The horses and cattle are of a degenerate type, small, ungainly and inured to neglect and hard usage.
It has, however, since been found that in other kinds of insects the tissues degenerate and break down without the intervention of phagocytes.
But why do men degenerate ever?
That this accuracy may sometimes degenerate into triviality, and that such absorption in trifles may occasionally hide the broad horizon, is conceivable.
He allows his taste for these tricks of style to degenerate into mannerism.
Sometimes the gods of an older religion degenerate into the demons of the belief which supersedes it.