. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ' ZONATION 403 80- 70- in O 50- D 5 £. 40- o 30- 20- • chipped shell margin normal. () "() () () 35 40 Hours i 45 50 FIGURE 5. Desiccation rate: effect of removing mucus sheet (Acuiaca diyitalis). Lines drawn through points not on graph; 30C C; 30 mm Hg vapor pressure deficit; m/sec air flo\v. Slopes indicated as c/r total water lost/hour. weighings, and the mucus sheets of one smooth and one rough group were de- stroyed after every other weighing. Acinaca digitalis regularly repaired the mucus s


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ' ZONATION 403 80- 70- in O 50- D 5 £. 40- o 30- 20- • chipped shell margin normal. () "() () () 35 40 Hours i 45 50 FIGURE 5. Desiccation rate: effect of removing mucus sheet (Acuiaca diyitalis). Lines drawn through points not on graph; 30C C; 30 mm Hg vapor pressure deficit; m/sec air flo\v. Slopes indicated as c/r total water lost/hour. weighings, and the mucus sheets of one smooth and one rough group were de- stroyed after every other weighing. Acinaca digitalis regularly repaired the mucus sheet until over 35% of their total water had been lost. Permanently obliterating TABLE VII Desiccation tolerances (number .v«n'/;'/«£ number in interval); 20°C; winds peed in/sec. Boldface denotes interval of 50% mortality (desiccation lethal limit) % water lost A. ilifii!iili'< A. scabra A. persona .4. fclta A. sdttuiii Equivalent osmotic concentration (% sea water) 60-62 2 2 2/2 0/0 0/0 3 3 250-263 62-64 1 1 3/1 2/2 0 0 2 3 263-278 64 66 0/0 2/2 1/1 1/1 2 4 278-294 66-68 1/1 3/3 1/1 0/0 2 5 294-312 68-70 11 3/3 2/3 2/2 4 7 312-333 70-72 0/0 2/2 0/1 0/0 3 7 333-357 72-74 2/2 2/3 2/2 3/5 1/3 357-385 74-76 1/1 3/3 2/2 0/0 1/6 385-416 76-78 0/0 1/1 2/2 0/2 o/i 416-455 78-80 0/0 01 0/1 0/3 0/4 455-500 80-82 3/5 1 <3 1/4 0/2 0 1 500-555 82-84 0/1 0/0 1/3 1) 1 0/0 555-625 84-86 0/2 o/i 1/2 0 1 II II 625-715 86-88 0/5 0/5 0/2 (1 0 0 '(1 715-833. 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