311-441.] [Footnote 66: _A Naturalist's Wanderings in the Eastern Archipelago_, p.
460.] [Footnote 67: _Trans.Phil.

Soc._ (?
_of S.Africa_), 1878, part iv, p.
27.] [Footnote 68: _Proc.Zool.

Soc._, 1862 p.

357.] [Footnote 69: With reference to this general resemblance of insects to their environment the following remarks by Mr.Poulton are very instructive.

He says: "Holding the larva of Sphinx ligustri in one hand and a twig of its food-plant in the other, the wonder we feel is, not at the resemblance but at the difference; we are surprised at the difficulty experienced in detecting so conspicuous an object.