Britannica 11th · 11th edition

Aspirotrichaceae

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OCR text aligned to scanned pagesVol. 2, pp. 769-7691910–1911

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This entry is linked to Encyclopaedia Britannica, 11th edition. The cited range is Vol. 2, pp. 769-769.

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ASPIROTRICHACEAE (O. Butschli), an order of Ciliate Infusoria, characterized by an investment, general or partial, of nearly uniform cilia, without any distinct adoral wreath, and one or two adoral endoral undulating membranes. With the Gymnostomaceae it formed the Holotricha of Stein.