. Bulletin. Natural history; Natuurlijke historie. 120 PEABODY MUSEUM BULLETIN 26 in percent of ostracods of the total zooplankton, including Protozoa, during the year. In terms of percent of the total zooplankton, ostracods varied from , with the lowest percentages in summer and autumn and higher percent- ages in winter and spring. Figure 63A gives the numbers of species of ostracods recorded per sample from the upper 500 m during the year. The smallest number, 14, was noted in May and June and early October. Twenty or more species per sample were recorded in September, December, Fe
. Bulletin. Natural history; Natuurlijke historie. 120 PEABODY MUSEUM BULLETIN 26 in percent of ostracods of the total zooplankton, including Protozoa, during the year. In terms of percent of the total zooplankton, ostracods varied from , with the lowest percentages in summer and autumn and higher percent- ages in winter and spring. Figure 63A gives the numbers of species of ostracods recorded per sample from the upper 500 m during the year. The smallest number, 14, was noted in May and June and early October. Twenty or more species per sample were recorded in September, December, February and March, so in general more species were taken in the upper 500 m when the water was cooler. The numbers of species were particularly high from December to February, when total numbers of ostra- cods were relatively low, although over 20 species were present in March, when numbers were maximal. Depth Distribution Figure 64 shows the total numbers of ostracods, by actual count, at different M 0 01234501 230123456789. 1000- r-l 2000- Figure 64. The total numbers of ostracods per cubic meter at different depth ranges on: A, June 23-24, 1959; B, October 9, 1959; C, February 17-18, 1960. Depths in 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 Peabody Museum of Natural History. New Haven : The Museum
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