. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. BIOLOGY OF LUMINOUS MILLIPEDE 103 LlFE-HlSTORY Millipedes that \vtre kept in humus in the sealed terraria in the laboratory thrived for many months, burrowing through the humus in their feeding and com- ing actively to the surface at night to wander about. The room in which they were kept varied in temperature in the usual way during the clay from approximately 65° F. to 85° F. Because of the relatively constant temperature of this artificial environment and the knowledge that at least during several months of their develop-


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. BIOLOGY OF LUMINOUS MILLIPEDE 103 LlFE-HlSTORY Millipedes that \vtre kept in humus in the sealed terraria in the laboratory thrived for many months, burrowing through the humus in their feeding and com- ing actively to the surface at night to wander about. The room in which they were kept varied in temperature in the usual way during the clay from approximately 65° F. to 85° F. Because of the relatively constant temperature of this artificial environment and the knowledge that at least during several months of their develop- ment in nature they are subject to daily extremes of temperature from well below freezing to above 80° F., it did not seem worthwhile to go to the difficulty of de- termining in more than a general way the time-duration of each stage. When the adult animals were first brought into the laboratory in May they were placed in fresh humus known to be free of eggs or early stages. Although mating was not observed in the laboratory, it is reasonable to assume that it freely occurred, since members of both sexes were placed in the terraria at random. The terraria were first investigated for the presence of early stages on July 19th and numbers of egg-masses were found (Fig. 2A). The date of laying was not known. These egg-masses varied widely in the number of contained eggs ; three that were counted contained approximately 160. 70 and 165 respectively. The masses were laid in. 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