"The ziczac curve does not deviate (or drift away) from the temperature curve during the recent 70 years (from which I have a good record)."
"Poulton, Mr. E.B., on variable colours of larvae and pupae, 196, 198 on concealments of insects by resemblance to environment, 202 on protective form of Notodonta ziczac, 210 on inedibility of conspicuous larvae, 237"
"Even an unusual angular form, like a crooked twig or inorganic substance, may be protective; as Mr. Poulton thinks is the case with the curious caterpillar of Notodonta ziczac, which, by means of a few slight protuberances on its body, is able to assume an angular and very unorganic-looking appearance."