. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. BIGELOW: EXPLORATIONS OF THE COAST AVATERS. 309 along the southern slope of Georges Bank, in the northeastern and southeastern corners of the Gulf; and generally south and southwest of Halifax. In the northwestern, central, and eastern parts of the Gulf as a whole, on the northwestern part of Georges Bank, in the Eastern Channel, and over the whole breadth of the continental shelf off Shel-. FiG. 91.— Volumes of plankton per square meter of sea area, July-August, 1914. 6, very rich, 170 + cc. per square meter. 4, rich
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. BIGELOW: EXPLORATIONS OF THE COAST AVATERS. 309 along the southern slope of Georges Bank, in the northeastern and southeastern corners of the Gulf; and generally south and southwest of Halifax. In the northwestern, central, and eastern parts of the Gulf as a whole, on the northwestern part of Georges Bank, in the Eastern Channel, and over the whole breadth of the continental shelf off Shel-. FiG. 91.— Volumes of plankton per square meter of sea area, July-August, 1914. 6, very rich, 170 + cc. per square meter. 4, rich, 100 + cc. 3, intermediate, 30 - lOOcc. 1, scanty 30 —cc. " burne. Nova Scotia, plankton volumes were intermediate between these extremes. The volume of plankton, however, is no index to its regional density, which is after all the most important question before us, because the amount of water filtered varies with the depth at various stations; a better criterion is the volume per cubic 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 Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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