. The Biological bulletin. Biology; Zoology; Marine biology. 458 MICHAEL W. BERNS AND WILLIAM T. KEETON Table I Segment number per instar {well-fed +, semi-starved —) Instar Molt Mean segment number Standard deviation Standard error mean Range limits N 3 + 2 21-23 12 3- 2 2L00 21 13 4 + 3 25-27 24 4- 3 25-28 24 5 + 4 31-34 25 5- 4 30-32 24 6 + 5 37-40 28 6- 5 33-37 20 7+ 6 43-46 30 7- 6 38-44 35 8+ 7 46-50 23 8- 7
. The Biological bulletin. Biology; Zoology; Marine biology. 458 MICHAEL W. BERNS AND WILLIAM T. KEETON Table I Segment number per instar {well-fed +, semi-starved —) Instar Molt Mean segment number Standard deviation Standard error mean Range limits N 3 + 2 21-23 12 3- 2 2L00 21 13 4 + 3 25-27 24 4- 3 25-28 24 5 + 4 31-34 25 5- 4 30-32 24 6 + 5 37-40 28 6- 5 33-37 20 7+ 6 43-46 30 7- 6 38-44 35 8+ 7 46-50 23 8- 7 43-48 27 9 + 8 49-54 20 9- 8 48-53 19 10 + 9 51-57 26 10- 9 49-54 17 11+ 10 52-57 22 11- 10 51-55 26. Figure 4. Segment increase per instar of well-fed and semi-starved 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 Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-; Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report; HighWire Press. Lancaster, Pa. [etc. ] : Lancaster Press, inc. [etc. ]
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