. The British freshwater Rhizopoda and Heliozoa. Rhizopoda; Heliozoa; Freshwater animals. 120 BRITISH â PEBSHWATER RHIZOPODA. surface covered with small, lenticular or oval trans- parent plates or discs, generally of uniform size, mixed in some examples with angular plates or short stoutish rods of chitinous or siliceous substance. The outer margin, as well as the mouth, with a more or less crenulate outline, on account of the prominence there of the particles of which the test is composed, and in such cases the structure is brittle and easily fractured under pressure. Protoplasm and nucleus c
. The British freshwater Rhizopoda and Heliozoa. Rhizopoda; Heliozoa; Freshwater animals. 120 BRITISH â PEBSHWATER RHIZOPODA. surface covered with small, lenticular or oval trans- parent plates or discs, generally of uniform size, mixed in some examples with angular plates or short stoutish rods of chitinous or siliceous substance. The outer margin, as well as the mouth, with a more or less crenulate outline, on account of the prominence there of the particles of which the test is composed, and in such cases the structure is brittle and easily fractured under pressure. Protoplasm and nucleus corresponding with those of the allied species; the pseudopodia, four or five in number, colourless, simple, or sparingly branched. 97 98. 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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