Raphidocystis contractilis belongs to Heliozoa, a group of eukaryotes commonly found in fresh, brackish, and sea water. The organisms of this group have finger-like arms - axopodia - which radiate out ...
NEW FRESH-WATER RHIZOPODS.—For many years the small group known as Actinophrys, first accurately described by Ehrenberg, remained somewhat isolated, distinguished among unicellular forms by its nearly ...
THE Heliozoa or “sun-animalcules” have always been favourite objects with microscopists on account of their abundance, especially in fresh water, their relatively large size, and their beauty as ...
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