. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 380 GOLD AND MORALES 46 45 44 43 42 41 40 39 38 37 36. -3 Days FIGURE 2. Daily mean length and the standard error for two populations of T. acuininata. Open circles indicate 1974; closed circles, 1975. mean length was detected (day zero) so that the shapes of the curves could he compared quickly. The day-to-day differences were clear-cut, thus obviating the need to subject the dimensions to statistical analysis for significance. Polymorphic varieties of loricae were detected in the plankton (Fig. 3). Be- sides these polymorp
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 380 GOLD AND MORALES 46 45 44 43 42 41 40 39 38 37 36. -3 Days FIGURE 2. Daily mean length and the standard error for two populations of T. acuininata. Open circles indicate 1974; closed circles, 1975. mean length was detected (day zero) so that the shapes of the curves could he compared quickly. The day-to-day differences were clear-cut, thus obviating the need to subject the dimensions to statistical analysis for significance. Polymorphic varieties of loricae were detected in the plankton (Fig. 3). Be- sides these polymorphic varieties, atypical forms of one species were found, which are interpreted as developmental stages in lorica building. The normally developed, mature form of the lorica of T. dadayi is shown in Figure 8; Figure 9 is an ad- vanced two-flare stage. Specimens such as the latter, as well as others with tubular extensions and three flares, were present in large enough numbers to warrant their being viewed as normal constituents of the plankton. Specimens were also found that lacked a flare; these were probably immature forms and accounted for a maximum of 12% of one T. dada\i population. The pertinent dimensions used to identify the Woods Hole Tintinnida follow. The principal dimension used to identify forms of a lorica that were similar was the diameter of the cylindrical portion of the bowl. This dimension was found previously to be a very stable feature of the lorica structure (Gold and Morales,. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological
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