Protective Resemblances in Spiders

11 pages in this part of A Book of Natural History.

BY ELIZABETH G. PECKHAM.1 T HERE are, among spiders, two forms of protective modification: the first, including all cases of protective…

Protective Resemblances in Spiders This rule, while it has numerous exceptions, is borne out by the great majority of cases. A good…

To take an example nearer home, E. infumata is a large, round-bodied spider, with two humps on the abdomen, which Emerton describes from…

Drapetisca socialis, while quite a different looking spider, is protected in the same way - by its resemblance to the bark upon which it…

The last instance that I shall cite is a predaceous spider which is disguised from both its enemies and its prey by an elaborate…

Protective Habits. - Going along with these forms of protective resemblance, we find certain habits which sometimes serve independently to…

This proposition is well illustrated by the Gasteracanthidæ. Among larvæ the warning colors are almost invariably black and white, or black…

FIG. 7. - ACROSOMA RUGOSA. Left-hand In one respect the inconspicuous Gasteracanthidæ have a decided advantage over their bright-colored…

Mimicry. - Mimicry, or the imitation of animal forms, while it is a form of indirect protection, differs in no essential respect from the…

The following account of a spider which mimics a snail-shell is given by Mr. G. F. Atkinson: - "An undescribed species of Cyrtarachne…

Ants may be regarded as specially protected, by their sharp, acid flavor, and in some species by the possession of stings or of horny…