. Animal biology. Zoology; Biology. B. Fig. 31.—Different types of Sarcodina. A, Rotalia freyeri. {From Doflein, "Lehrbuch der Protozoenkunde," after Max Schultze, by the courtesy of Gustav Fischer.) An example of the Foraminifera. B, Difflugia urceolata Carter. {From Leidy, "Fresh-water Rhizopods of North ;) X 167. The shell is composed of sand grains. C, Actinosphaerium eichhorni Ehrenberg. {From Kudo, "Handbook of Protozoology," by permission of the publisher, Charles C. Thomas.) X 40. One of the Heliozoa. D, Heliosphaera inermis Haeckel. {From Bronn, &
. Animal biology. Zoology; Biology. B. Fig. 31.—Different types of Sarcodina. A, Rotalia freyeri. {From Doflein, "Lehrbuch der Protozoenkunde," after Max Schultze, by the courtesy of Gustav Fischer.) An example of the Foraminifera. B, Difflugia urceolata Carter. {From Leidy, "Fresh-water Rhizopods of North ;) X 167. The shell is composed of sand grains. C, Actinosphaerium eichhorni Ehrenberg. {From Kudo, "Handbook of Protozoology," by permission of the publisher, Charles C. Thomas.) X 40. One of the Heliozoa. D, Heliosphaera inermis Haeckel. {From Bronn, " Klassen und Ordnungen des Tierreicha," after Haeckel.) X 350. One of the Radiolaria. The skeleton forms a lattice work on the surface of the body. being due to the combined action of all the flagella. Still another example is a marine form known as Nocfiluca. This animal frequently collects on the surface of the sea in enormous numbers, the jelly-hke bodies form- ing a thick scum which has the color and appearance of thick cream-of- tomato soup and which sometimes covers an area of many acres. At. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wolcott, Robert Henry, 1868-1934; University of Nebraska (Lincoln campus). Dept. of Zoology. New York ; London : McGraw-Hill Book Company, Inc.
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