. Conditions of life in the sea; a short account of quantitative marine biological research. Marine biology. ^Neritic-Halos t)hcei . ogNeritic-Concinnus /^\Tricho-[Dlankton ^^Tripos-planKton I '-^e-f 5 i ra-p I an kto n Fig. 29. Distribution of the chief plankton types in the North Sea in January, 1897. (From Cleve, " Plujto-plankum of the Atlnnlic and ita ;}. 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 w

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. Conditions of life in the sea; a short account of quantitative marine biological research. Marine biology. ^Neritic-Halos t)hcei . ogNeritic-Concinnus /^\Tricho-[Dlankton ^^Tripos-planKton I '-^e-f 5 i ra-p I an kto n Fig. 29. Distribution of the chief plankton types in the North Sea in January, 1897. (From Cleve, " Plujto-plankum of the Atlnnlic and ita ;}. 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 Johnstone, James, 1870-1932. Cambridge, University press

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