. The transformations (or metamorphoses) of insects. Insects; Insects; Myriapoda; Arachnida; Crustacea. THE CAR cm US M^NAS. 453 Next come the mandibles, and then the maxillae, and these are followed from before backwards by swimming legs and the germs of five pairs of true walking legs, and of the branchiae. The pleon consists at this stage of six segments, five upon one plan, and the last different. The first five are simple articulations, but the germ of the future true swimming legs—pleopoda—are noticed upon. Carclntis mtcnas. A zoea after the rupture of the tunic. one or two of them. The
. The transformations (or metamorphoses) of insects. Insects; Insects; Myriapoda; Arachnida; Crustacea. THE CAR cm US M^NAS. 453 Next come the mandibles, and then the maxillae, and these are followed from before backwards by swimming legs and the germs of five pairs of true walking legs, and of the branchiae. The pleon consists at this stage of six segments, five upon one plan, and the last different. The first five are simple articulations, but the germ of the future true swimming legs—pleopoda—are noticed upon. Carclntis mtcnas. A zoea after the rupture of the tunic. one or two of them. The last appendage of the pleon is the future telson of the adult crab. Repeated moults of the skin, probably at intervals of seven or eight days, succeed each other, producing at each stage but little change to the eye but that of size. At the expiration of a month there is not very much alteration in the Zoea except that of bulk. The examination of individual parts will, however, exhibit some progress in the development of each member in relation to. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Duncan, P. Martin (Peter Martin), 1821-1891; Blanchard, Émile, 1819-1900. Metamorphoses . .. des insects. London and New York, Cassell, Petter, and Galpin
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Keywords: ., bookcentury1800, bookdecade1870, booksubjec, booksubjectcrustacea
