Translation 2816
Translation 2816
Translation 2816
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19<br />
A. Cells laterally compressed v with anterior emargination<br />
(70)<br />
(in profile).<br />
1. Cells are oblone,cylindricar, basally narrowed and<br />
rounded, occasionally recurved. . Ch. Paramaecium 1.<br />
11. Cells are obovoid, not basally narrowed. Posterior<br />
'margin is broadly rounded. . . •- . Ch. oblong 2.<br />
B. Cells are almost circular in cross section; in profile,<br />
uniformly rounded in front. .Cells are obovoid, the base<br />
tapering to form<br />
a.corniform aduncate apex.<br />
Ch. acuta 3.<br />
Two genera:<br />
(75)<br />
1. Groove is distinct, gullet absent; stigma is present; cells<br />
are slightly compressed laterally, and appear - broadly<br />
'ovoid in optic cross sections • Protochrysis<br />
II. Groove is faintly indicated, sinking to form a giallet .<br />
alone the median line. Lateral compression iS usually<br />
quite pronounced. In optic cross sections,. the cell<br />
, apPears narrowly ovoià * Sennia
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