. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. EFFECT OF FOOD ON EYE PIGMENTATION 449 (some 7-8 hours after hatching from the egg) to just prior to the 70- hour change, resulted in cessation of those developmental processes con- cerned with differentiation. Larvae so removed from food were de- layed in forming puparia, the delay being roughly proportional to the time of starvation. Since time of puparium formation was not recorded accurately (generally counts of puparia were made at 12-hour inter- vals), it is not considered worthwhile to record these data in complete fo


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. EFFECT OF FOOD ON EYE PIGMENTATION 449 (some 7-8 hours after hatching from the egg) to just prior to the 70- hour change, resulted in cessation of those developmental processes con- cerned with differentiation. Larvae so removed from food were de- layed in forming puparia, the delay being roughly proportional to the time of starvation. Since time of puparium formation was not recorded accurately (generally counts of puparia were made at 12-hour inter- vals), it is not considered worthwhile to record these data in complete form. The results of a typical series in which vermilion brown larvae were removed from food at 60 hours and returned in lots of 20 at 12- hour intervals are shown in Fig. 2. Other experiments included larvae 72. 10 20 30 40 Starvation period (hrs.) FIG. 2. Relation of delay in puparium formation to length of starvation pe- riod in vermilion brown larvae removed from food at 60 hours after egg-laying. The straight line, delay equals starvation period, is for reference. initially removed at 24, 36, 48 and 60 hours, and returned in lots of 20 at 12-hour intervals up to the time of death. Under the conditions of the tests the maximum starvation periods were as follows: Age at removal from food (hrs.) 24 36 48 Maximum period starved (hrs.) 48 36 60 . 60 All results were roughly similar to those shown in Fig. 2. The average delay in puparium formation in relation to time of starvation for four series of vermilion brown larvae, initially removed at 24, 36,. 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 C


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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology