Abstract
DURING the past few years, studies of the movements of soil-burrowing insects have been made using radioactively tagged insects1. Originally, the method involved finding the position of maximum response of a manually operated portable Geiger tube and ratemeter, but later a machine was developed which would record automatically the movement of a radioactively tagged insect such as a wireworm2. The sensing element in this machine was a thyrode tube (Victoreen 1B 85), rotated about a vertical axis at the end of a fixed arm. Translatory movements of the axis of Geiger revolution were recorded on an operating surface by a stylus.
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References
Fuller, R. A., Spinks, J. W. T., Arnason, A. P., and MacDonald, A., 81st Annual Rep. Ent. Soc. Ontario, 7 (1950).
Green, B. C., and Spinks, J. W. T., Can. J. Tech., 33, 307 (1955). Scott Russell, R., and Middleton, L. J., “Progress in Nuclear Energy”, 6, Biological Sciences, 78 (Pergamon Press, 1956).
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GREEN, B., SPINKS, J. Lapse-time Motion Picture Studies of Soil-burrowing Insects. Nature 181, 434–435 (1958). https://doi.org/10.1038/181434a0
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DOI: https://doi.org/10.1038/181434a0
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