. Comparative anatomy and physiology. Chap. IX.] XlPHA CA NT HA. 277 113) thus formed may be variously ornamented ; the stalk, well known in Vorticella, is not contractile in Epistylis and others. The lorica may be produced. Fig. 112. -Xivhacanttia murrayana. (After Wyville Thomson.) into tooth-like or tail-like processes ; a shield-shaped test, or a bivalved carapace may be developed, or the body may become surrounded by a gelatinous capsule. Rarely, as in the Dictyocyrtidse, the investing test becomes impregnated with siliceous Please note that these images are extracted from scanne
. Comparative anatomy and physiology. Chap. IX.] XlPHA CA NT HA. 277 113) thus formed may be variously ornamented ; the stalk, well known in Vorticella, is not contractile in Epistylis and others. The lorica may be produced. Fig. 112. -Xivhacanttia murrayana. (After Wyville Thomson.) into tooth-like or tail-like processes ; a shield-shaped test, or a bivalved carapace may be developed, or the body may become surrounded by a gelatinous capsule. Rarely, as in the Dictyocyrtidse, the investing test becomes impregnated with siliceous 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 Bell, F. J. (Francis Jeffrey), 1855-1924. London, Cassell
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