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Translation 2816

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25<br />

Key to the identification of.-the-s-pecies<br />

(102)<br />

A. Cells are small; length, 8-16 width, 8-13 The<br />

longitudinal groove does not extend onto the anterior part<br />

of the body.<br />

I. Chromatophores are absent.<br />

(a) Cells measure 8p in length, 8 Fl in width; stigma<br />

is present. . . . . . . . . . .. . A.. hyalinum 1.<br />

(b) Cells measure 10 ^( in length, 10 p in width; stigma<br />

- is absent. ...... A. Tatrae fa. açhromaticiuq 2.<br />

II: Chromatophores present (sonetimes absent).<br />

(a) Chromatophores are brown. Cells measure 10-12 P in<br />

length, with width and length being equal. Anterior<br />

part of the body is flattened and cap-shaped.<br />

A. a^enkini 3.<br />

(b) Chromatophores range from dark yellow to light<br />

yellow. Cells measuring 10 x 10<br />

Anterior part<br />

of the body is more angustate, thinner, and more<br />

arched. . . . . . . . . . . . . . . A. Tatrap 2.<br />

(c) Chromatophores are aureous. Cell length 11-13P<br />

,<br />

with width equal. Anterior part of body.is wider<br />

and regularly arched. ....... . A4. luteun 4.<br />

(d) Chromatophores are camelinous.-t:ells. measure 15,6.x<br />

13 P. Anterior part of body is in the _shape of<br />

a shallow cone. ... .*... ... A. turicense 5.

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