. The British freshwater Rhizopoda and Heliozoa. Rhizopoda; Heliozoa; Freshwater animals. Fias. 38 AND 39.—Difflugia oblonga : 38, common form incrusted with sand-grains, x 200 ; 39, a peculiar form from Clapham, W. Torks, chiefly incrusted with diatoms, x 310. The latter reduced from a drawing by G. S. West. name proteiformis Ehrenb. In any case it cannot be accepted as a synonym for D. oblonga Ehrenb., and the safest course now is to discard the name protei- formis altogether. Examples are occasionally met with in which the test is in some degree compressed, and occasionally a want of bi-lat
. The British freshwater Rhizopoda and Heliozoa. Rhizopoda; Heliozoa; Freshwater animals. Fias. 38 AND 39.—Difflugia oblonga : 38, common form incrusted with sand-grains, x 200 ; 39, a peculiar form from Clapham, W. Torks, chiefly incrusted with diatoms, x 310. The latter reduced from a drawing by G. S. West. name proteiformis Ehrenb. In any case it cannot be accepted as a synonym for D. oblonga Ehrenb., and the safest course now is to discard the name protei- formis altogether. Examples are occasionally met with in which the test is in some degree compressed, and occasionally a want of bi-lateral symmetry is observable (fig. 39) ; whilst others have the croAvn peaked like a Grothic arch. These variations were regarded by Leidy as. 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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