. An introduction to the study of zoology. Zoology. Fig. 25, -A ^ .^^^mulite: a, exterior; b, seen in section, composed of the same material. The largest of the fossil Forarainifera is called the Nummulite (fig. 25), or money stone, from its round shape. It is found so abundantly in the limestone of the Eocene period, that the limestone has thence received its name, and ^=^ ^^^ C^CJ O^ff . Fig. 27. -Fi^. 23.—Magnified spsclmensof^mosba (small ones): cu,contractile vacuole; n, nndeus; ps, pseadopodia; /, small organisms taken in as food. tlu:ee ' smaller specimens are ahovfm. in a more or
. An introduction to the study of zoology. Zoology. Fig. 25, -A ^ .^^^mulite: a, exterior; b, seen in section, composed of the same material. The largest of the fossil Forarainifera is called the Nummulite (fig. 25), or money stone, from its round shape. It is found so abundantly in the limestone of the Eocene period, that the limestone has thence received its name, and ^=^ ^^^ C^CJ O^ff . Fig. 27. -Fi^. 23.—Magnified spsclmensof^mosba (small ones): cu,contractile vacuole; n, nndeus; ps, pseadopodia; /, small organisms taken in as food. tlu:ee ' smaller specimens are ahovfm. in a more or less retracted state, the two larger ones more fictive. All show an inner granular layer, the 6ndoplasm, and an outer clear layer, the ectoplasm. (The boiindarj line between these appears in , the cut somewhat too distinctly marked.) Fig. 27.—Changes of outline presented by a single Amceba: 1 to 16, during a period of four minutes ; 17 to 26, during a furiher period of three minutes. is called the Nummulite limestone. The Rhizopoda also include the soft shell-less Amoeba-like forms, of. 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 Lindsay, B. London, S. Sonnenschein
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895
