Page 52 of Algæ. Vol. I. Myxophyceæ, Peridinieæ, Bacillarieæ, Chlorophyceæ, together with a brief summary of the occurrence and distribution of freshwater Algæ
<p>Fig. 37. Lateral view of Amphidinium sulcatum Kofoid. amy., amyloid body; chr., chromatophore; ep., anterior part of cell in front of transverse furrow; fl.p., flagellar pore; l.f., 
</p>
longitudinal furrow; n., nucleus; tr.f., transverse furrow (with flagellum); vac., vacuole. ×740 (after Kofoid).
West, G. S. (George Stephen), 1876-1919
1916
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