. The Protozoa. Protozoa. Fig. 13.— Shells and tests. [A, SCHEWIAKOFF; B, ORIGINAL; C, Butschli; D, STEIN.] A. Euglypha alveolata Duj. The shell consists of oval siliceous plates glued together by a sili- ceous (?) cement. B. Cockliopodium digitatum, n. sp. The test is membranous and perforated for pseudopodia. C. Pseudochlamys patella Clp. and Lach. The test is membranous and shield- like. D. Ceratium tripos Nitsch. The shell consists of cellulose plates of diverse size and Please note that these images are extracted from scanned page images that may have been digitally enhanced for r
. The Protozoa. Protozoa. Fig. 13.— Shells and tests. [A, SCHEWIAKOFF; B, ORIGINAL; C, Butschli; D, STEIN.] A. Euglypha alveolata Duj. The shell consists of oval siliceous plates glued together by a sili- ceous (?) cement. B. Cockliopodium digitatum, n. sp. The test is membranous and perforated for pseudopodia. C. Pseudochlamys patella Clp. and Lach. The test is membranous and shield- like. D. Ceratium tripos Nitsch. The shell consists of cellulose plates of diverse size and 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 Calkins, Gary N. (Gary Nathan), b. 1869. New York, The Macmillan company; London, Mamcillan & co. , ltd.
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