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tion. Its skin now hardens and contracts until the creature takes on the form of a small, hard-shelled, oral capsule, called a Dl@arium (Fig. 182 E).
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Fro. 182. The house fly, .?lusca domestica A, the adult fly (5 ? rimes natural size). B, the house fly egg (greatly magnified). C, larvae, or maggots, in manure. D, a larva {.more enlarged). E, the puparium, or, hardened larval skin which becomes a case in which the larva changes to a pupa. F, the pupa
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