. Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote. 54 ORGANIZATION AND DEVELOPMENT OF ANIMALS IN GENERAL. in the simplest cases, as in the Amoebae and Rhizopodn, by prolon- gations of the sarcode (pseudopodia) surrounding the foreign body (fig. 41). In the Infusoria, which are covered by a firm cuticle, there is a central semi-fluid mass of sarcode (endoplasm), which is distinct from the more compact peripheral layer of sarcode (ecto- plasm), and which receives the nutrient substances through the mouth and digests them. Rows of larger cilia
. Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote. 54 ORGANIZATION AND DEVELOPMENT OF ANIMALS IN GENERAL. in the simplest cases, as in the Amoebae and Rhizopodn, by prolon- gations of the sarcode (pseudopodia) surrounding the foreign body (fig. 41). In the Infusoria, which are covered by a firm cuticle, there is a central semi-fluid mass of sarcode (endoplasm), which is distinct from the more compact peripheral layer of sarcode (ecto- plasm), and which receives the nutrient substances through the mouth and digests them. Rows of larger cilia are pre&ent, which serve the purpose of procuring food (adoral ciliated zone of the Ciliata) (fig. 42).. 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 Claus, Carl, 1835-1899; Sedgwick, Adam, 1854-1913; Sinclair, F. G. (Frederick Granville), b. 1858. London, Swan Sonnenschein & co.
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