. The British freshwater Rhizopoda and Heliozoa. Rhizopoda; Heliozoa; Freshwater animals -- Great Britain. 62 BRITISH FRESH WATE It HELIOZOA. 2. Clathrulina cienkowskii Mereschkowsky. (Text-fig. 193.) Clathridina cienkowskii MERESCHKOWSKY Arch. mikr. Anat. XYI, 1879, p. 191, pi. x, f. 34. PENARD Heliozoaires, 1904, p. 276. figs. WAILES & PENARD Proc. B. Irish Acad. XXXI. pt. 65,1911. p. 19. WAILES J. Linn. Soc. Zool. XXXII, 1912, p. 126. Body small, partially filling the capsule; capsule spherical, thick, pierced with numerous small circular apertures having raised borders forming an alveo


. The British freshwater Rhizopoda and Heliozoa. Rhizopoda; Heliozoa; Freshwater animals -- Great Britain. 62 BRITISH FRESH WATE It HELIOZOA. 2. Clathrulina cienkowskii Mereschkowsky. (Text-fig. 193.) Clathridina cienkowskii MERESCHKOWSKY Arch. mikr. Anat. XYI, 1879, p. 191, pi. x, f. 34. PENARD Heliozoaires, 1904, p. 276. figs. WAILES & PENARD Proc. B. Irish Acad. XXXI. pt. 65,1911. p. 19. WAILES J. Linn. Soc. Zool. XXXII, 1912, p. 126. Body small, partially filling the capsule; capsule spherical, thick, pierced with numerous small circular apertures having raised borders forming an alveolar surface; pedicel long, tenuous; plasma greyish in colour, containing numerous granules and food par-. FIG. 193.— Clathrulina cienkowskii. x 375. tides; nucleus placed centrally, containing a large central nucleole ; one or two contractile vesicles •usually present; pseudopodia long, granuliferous. Diameter of capsule 25 //, to 40 /x; the pedicel usually about five or six times the diameter of the capsule in length, but sometimes attaining 300 p, with a diameter of about 2 p; the apertures in the capsule 4 /x to 5 /x in diameter. Habitat.—Aquatic vegetation. Rare. Distribution.—IRELAND.—Inishbofin, Gal way (Wail PS & Penard). Propagation by simple binary and multiple division has been observed, also the formation of cysts, which differ from those of G. elegans by being without asperities on the 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; Ray Society; Hopkinson, John, 1844-1919; Wailes, George Herbert, 1862-. London : Printed for the Ray Scociety


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