. The wonder of life. Biology; Natural history; Zoology. THE CYCLE OF LIFE 421 gradually and by various routes. Thus we see a beginning in those cases in which the mother lays her eggs, instead of merely liberating them. The female salmon lays eggs in a furrow which she makes in the gravelly bed of the stream. We see a beginning in those cases in which the mother carries her eggs about with her after she has hberated. Fia. 64.—Female Spider—Dolomedes mirabilis—carrying underneath her body, attached by silk threads, the silken cocoon containing the eggs and eventually the young spiders. {After


. The wonder of life. Biology; Natural history; Zoology. THE CYCLE OF LIFE 421 gradually and by various routes. Thus we see a beginning in those cases in which the mother lays her eggs, instead of merely liberating them. The female salmon lays eggs in a furrow which she makes in the gravelly bed of the stream. We see a beginning in those cases in which the mother carries her eggs about with her after she has hberated. Fia. 64.—Female Spider—Dolomedes mirabilis—carrying underneath her body, attached by silk threads, the silken cocoon containing the eggs and eventually the young spiders. {After Blackwall.) them. Many a spider has a silken cocoon which she bears about with her until the spiderhngs hatch. We see a beginning in the retention of the eggs, not only until they become larvae, but until particular circumstances arise. Thus the freshwater mussel, which we have discussed, keeps its Glochidia in its gill-cradle until a minnow or the hke comes conveniently into the vicinity. We see a beginning in the way many an animal mother allows her young ones to clamber about her body, holding on to her and being protected by her. The generahzation may be. 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 Thompson, John Arthur, Sir, 1861-1933. London, A. Melrose, Ltd


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Keywords: ., bookcentury1900, booksubjectnaturalhistory, booksubjectzoology