. Fresh-water biology. Freshwater biology. Zooids pyriform, compressed, obUquely truncate anteriorly. Pedicel very slender, threadlike. A colony may include as many as twenty or more zooids. Length of zooids 8 m. Pond water. Ramosonema laxum, cw,contractile vacuole: «, nucleus. ColonyX 350; single zooid X 1000. (After Kent.) 33 (30) Many zooids upon each branch 34 34 (35) Stalk short, branching dichotomously once or twice. Cephalothamnium Stein. Representative species. , . Cephalothamnium caespitosum Kent 1880. Zooids irregularly pyriform, in clusters of two or three or as many as six
. Fresh-water biology. Freshwater biology. Zooids pyriform, compressed, obUquely truncate anteriorly. Pedicel very slender, threadlike. A colony may include as many as twenty or more zooids. Length of zooids 8 m. Pond water. Ramosonema laxum, cw,contractile vacuole: «, nucleus. ColonyX 350; single zooid X 1000. (After Kent.) 33 (30) Many zooids upon each branch 34 34 (35) Stalk short, branching dichotomously once or twice. Cephalothamnium Stein. Representative species. , . Cephalothamnium caespitosum Kent 1880. Zooids irregularly pyriform, in clusters of two or three or as many as six or eight on the summit of a simple or slightly branched pedicel. Pedicel very short. Length of zooid about 6 /j. Fresh water, attached to Cyclops. Fio. 377. Cephalothamnium caespitosum. X 875. (After Conn.). 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 Ward, Henry Baldwin, 1865-1945; Whipple, George Chandler, 1866-1924. joint author. New York, John Wiley & sons, inc. ; [etc. ,etc. ]
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918
