Online Encyclopedia


Online Encyclopedia
Originally appearing in Volume V22, Page 471 of the 1911 Encyclopedia Britannica.
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PROTEOMYRA, a name given by E. Ray Lankester (Ency. Brit., 9th ed., 1885, art. " Protozoa, ") to a group of Protozoa Sarcodina. The group was really recognized as distinct by Cienkowski and by Zopf, receiving the name of Monadinea from d 1, Vampyrella spirogyrae, Cienk., amoeba phase penetrating a cell of Spirogyra b, by a process of its protoplasm c, and taking up the substance of the Spirogyra cell, some of which is seen within the Vampyrella a. 2, Large individual of Vampyrella, showing pseudopodia e, and food particles a. The nucleus (though present) is not shown in this drawing. 3, Cyst phase of Vampyrella. The contents of the cyst have divided into four equal parts, of which three are visible. One is commencing to break its way through the cyst-wall f; a, food particles. 4, Archerina boltoni, Lankester, showing lobose and filamentous protoplasm, and three groups of chlorophyll corpuscles. The protoplasm g is engulphing a Bacterium i. 5, Cyst phase of Archerina: a, spinous cyst-wall; b, green-coloured contents. 6, Chlorophyll corpuscle of Archerina showing tetraschistic division. 7. Actinophryd form of Archerina: b, chlorophyll corpuscles. 8, Protogenes primordialis, Haeckel (Amoeba porrecta, M. Schultze), from Schultze's figure. the former; but as this name had been usually applied to Flagellates and even the zoospores are not always provided with flagella, Lankester's name has become more suitable, and has been adopted by Delage and Herouard (1896) and by Hartog (1906). The group entered to a considerable extent into the
End of Article: PROTEOMYRA

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