. The British freshwater Rhizopoda and Heliozoa. Rhizopoda; Heliozoa; Freshwater animals. 74 BRITISH I'EESHWATEJi RHIZOPODA. Test yellow, or rarely colourless, translucent,- com- posed of non-imbricated discs usually arranged in diagonal rows on a thin chitinous pellicle; transverse section circular; aperture circular, placed obliquely, with a curved neck; plasma grey, partly filling the test, containing many granules and food-particles; nucleus large, granular, containing numerous nucleoles and placed posteriorly; one large and one smaller contractile vesicle usually present; pseudopodia fili
. The British freshwater Rhizopoda and Heliozoa. Rhizopoda; Heliozoa; Freshwater animals. 74 BRITISH I'EESHWATEJi RHIZOPODA. Test yellow, or rarely colourless, translucent,- com- posed of non-imbricated discs usually arranged in diagonal rows on a thin chitinous pellicle; transverse section circular; aperture circular, placed obliquely, with a curved neck; plasma grey, partly filling the test, containing many granules and food-particles; nucleus large, granular, containing numerous nucleoles and placed posteriorly; one large and one smaller contractile vesicle usually present; pseudopodia fili- form, attenuate, long, straight or Fia. 140.—Portions of tests of Cyphoderia ampulla, x 2000. i>, with section. m. 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 Cash, James, 1839-1909; Hopkinson, John, 1844-1919. joint author; Wailes, George Herbert, 1862-. London, Printed for the Ray Scociety
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