. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 424 A. C. REDFIELD AND M. FLORKIN found in active terrestrial mammals. Each cubic centimeter of cor- puscles combined with cc. oxygen. Drastich (1928) has found that in a large number of domestic mammals the concentration of hemo- globin in the erythrocytes is approximately the same, being about 32 ims hemoglobin per 100 cc. blood corpuscles. Taking one gram of hemoglobin tn combine with cc. oxygen, each volume of corpuscles i-ombines with cc. oxygen. It appears then that the sea lion corpuscles combine with a
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 424 A. C. REDFIELD AND M. FLORKIN found in active terrestrial mammals. Each cubic centimeter of cor- puscles combined with cc. oxygen. Drastich (1928) has found that in a large number of domestic mammals the concentration of hemo- globin in the erythrocytes is approximately the same, being about 32 ims hemoglobin per 100 cc. blood corpuscles. Taking one gram of hemoglobin tn combine with cc. oxygen, each volume of corpuscles i-ombines with cc. oxygen. It appears then that the sea lion corpuscles combine with about one and one-half times as much oxygen as do those of the domestic mammals, , the hemoglobin is just that much more concentrated within them. We suspect that the blood under examination may represent a somewhat anaemic condition and that the blood of a younger and more vigorous sea lion would exhibit a higher cell volume and oxygen capacity. Whether or not that is the case, there can be little doubt that the unusual concentration of hemoglobin in the. 0 < »xygen pressure FIG. 1. Oxygen dissociation curves of blood of si a lion at 38° C. The ap- proximate pressures of COa, in mm. Hg, at \vhieh the blood was equilibrated are indicated by the numbers above the curves. Ordinate, percentage of saturation with oxygen; abscissa, oxygen pressure in mm. Hg. corpuscles of this specimen represents an advantageous condition in that it minimizes the work which must be done by the heart in circulating oxygen through the muscles. Sud/.uki (1924) reports in the case of porpoise blood (Tummler-. 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, C
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