. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CALCIFICATION IN SEA URCHIN SPINES 157 Effect of temperature on calcification rates in vitro To determine the influence of temperature on calcification rates of regenerating spines in vitro, five dishes containing 200 milliliters of sea water and /zc/ml of 45Ca were allowed to equilibrate for 24 hours at temperatures of °, °, 15°, 20°, and 26° C. Fifty stubs were explanted from each of four urchins after regeneration for four days in vivo in plain sea water following fracture. Ten stubs from each group of fifty wer


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CALCIFICATION IN SEA URCHIN SPINES 157 Effect of temperature on calcification rates in vitro To determine the influence of temperature on calcification rates of regenerating spines in vitro, five dishes containing 200 milliliters of sea water and /zc/ml of 45Ca were allowed to equilibrate for 24 hours at temperatures of °, °, 15°, 20°, and 26° C. Fifty stubs were explanted from each of four urchins after regeneration for four days in vivo in plain sea water following fracture. Ten stubs from each group of fifty were placed in each of the five dishes giving forty stubs per dish. The four groups of ten stubs in each dish were isolated from 20 16 X E CL I p o I c- ;> 8 a 4 o r> T 0 A. B. 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 Laboratory


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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology