Moultings
The caterpillar has four moultings, which may be all accomplished in the period of four days each, if the heat of the room be increased to from ninety-five to one hundred degrees of Fahrenheit. When the heat is regulated to a lower standard, the first moulting takes place on the fourth or fifth day after hatching, the second in four days more, the third in five or six days more, and the last in about eight days. Ten days more are required after this moulting, so that in about thirty-two days after hatching the caterpillar has attained its full size. During all these changes of the worm it requires the nicest attention.