. The British freshwater Rhizopoda and Heliozoa. Rhizopoda; Heliozoa; Freshwater animals. ^)?f>?ff?y .,\"j<'?.. Fia. 68.—Oblique view of ordinary form of Difflugia constricta. x 300. Fia. 69.—Front view of spined form of the same, x 320. sp. nov. — simulates _D. constricta in the form of its test, and might easily be confounded with it in the absence of the living organism. Small spineless forms of 1). constricta occur in nearly every tuft of moss found growing in moist places, where the supply of moisture is intermittent the tests have always a depauperated appearance. Genus 19. FO
. The British freshwater Rhizopoda and Heliozoa. Rhizopoda; Heliozoa; Freshwater animals. ^)?f>?ff?y .,\"j<'?.. Fia. 68.—Oblique view of ordinary form of Difflugia constricta. x 300. Fia. 69.—Front view of spined form of the same, x 320. sp. nov. — simulates _D. constricta in the form of its test, and might easily be confounded with it in the absence of the living organism. Small spineless forms of 1). constricta occur in nearly every tuft of moss found growing in moist places, where the supply of moisture is intermittent the tests have always a depauperated appearance. Genus 19. FONTIGULASIA Ehumbler, 1895. Difflugia (pars) Caetee in Ann. Nat. Hist. (3) XIII (1864), p. 22. Po?ii(i5'wZasm Rhumblee in Zeits. wiss. Zool. LXI, 1 (1895), p. 105. Test similar in construction to that of Dijjiitgia, but differing from it in two marked features, namely, a. 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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