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Translation 2816

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20<br />

la. In fresh water.<br />

(83)<br />

2a. With spherical formations resembling trichocysts<br />

(alveoli) under the dermal layer; bacilliform<br />

trichocysts are absent<br />

Vacuolaria<br />

2b. Bacilliform trichocysts present.<br />

3a. With capitate . swelling of cell body.<br />

Merotricha<br />

3b. Without capitate swelling of oeil body.<br />

•<br />

lb. In sea water.<br />

Gonybstomiim<br />

Chattonella<br />

•la. Chromatophores accumbent to dermal layer.<br />

2a. Cells ovoid to ellipsoidal or elongatedly cylindrical.<br />

1. Vacuolaria virescens<br />

3a. Cells oblong-ovoid or cylindrical, measuring<br />

up to 85 (Ain length, alveoli distinct.<br />

• . var. virescens<br />

3b. Cells broadly ovoid, relatiVely small, measuring<br />

• up to 45 J. in lemth; the alveoli distend the<br />

dermal layer<br />

var nraegn2ns<br />

3 0 . Cells phaseoliform in profile, still smaller,<br />

measuring up to 30m in length; alveoli poorly<br />

developed<br />

var. minuta

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