. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. LIGHT-INHIBITION OF FIREFLY FLASHING 477 TABLE I Time required to photically inhibit spontaneous flashing Illumination lead time (msec.) Extent of inhibition of expected ( =normal; 0 following flashes 0 =no flash) 0-40 41-80 81-120 121-160 161-200 201-240 241-280 281-960 24 expected flashes, all Illumination 3800 lux. Combined data collected from 3 male Photuris by random illumination during


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. LIGHT-INHIBITION OF FIREFLY FLASHING 477 TABLE I Time required to photically inhibit spontaneous flashing Illumination lead time (msec.) Extent of inhibition of expected ( =normal; 0 following flashes 0 =no flash) 0-40 41-80 81-120 121-160 161-200 201-240 241-280 281-960 24 expected flashes, all Illumination 3800 lux. Combined data collected from 3 male Photuris by random illumination during sequences of regular spontaneous ! B FIGURE 1. Example of records used in determination of latency of photic inhibition via "eyes of spontaneous flashing Photuris. Upper trace in each record registers flashes and lower monitors light source. Latency, the interval between arrows, is measured as time between start of illumination and time of next succeeding expected flash, indicated as vertical bars, as measured from inter-flash interval of several preceding flashes. In 1A, the light goes on insufficiently early to inhibit one flash, completely inhibits the next and possibly partially inhibits and delays a third. Better examples of partial inhibition are shown in IB. Light stimulus 100 lux, time mark at lower right, 1 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