The Journal of experimental zoology . been present it would always haveremained in the zero section. The figures resulting from this calculation for the thirteenth day and for the fourteenth. This changes the aver-ages for these days to and respectively. REACTIONS TO LIGHT AND GRAVITY IN DROSOPHILA 61 TABLE 2— Temperature 22° 20° ° ° ° ° ° ° ° ° Hours Days Age in hours or 4 12 15 18 21 24 2 3 4 5 Groups:A ,
The Journal of experimental zoology . been present it would always haveremained in the zero section. The figures resulting from this calculation for the thirteenth day and for the fourteenth. This changes the aver-ages for these days to and respectively. REACTIONS TO LIGHT AND GRAVITY IN DROSOPHILA 61 TABLE 2— Temperature 22° 20° ° ° ° ° ° ° ° ° Hours Days Age in hours or 4 12 15 18 21 24 2 3 4 5 Groups:A , 72 0 B C Average ° ° ° ° ° ° ° ° ° Days 6 7 8 9 10 11 12 13 14 Groups:A 43 5 B 37 0 C 29 5 Average Showing change in phototropism of wild flies when fed daily with fresh food. Tc rr, f> cr i t u ttcit disc , dT CdcbI cd ted. Hours ?} 8 J? J« •Days * Age of fliesGraph 2 ~Mdlc Femdie 62 ROBERT STANLEY McEWEN TABLE 3Males TemperaturiB ... ° ° ° ° ° ° ° ° ° Hours Days Age in hours ordays 4 12 15 18 21 24 2 3 4 51 Group A: 7 flies ° ° ° ° ° ° ° ° ° Days ^ t) 7 8 9= 10 11 12 13 14 Group A: 7 flies 80 1 Females Temperature ° ° ° ° ° ° ° ° ° ° Hours Days Age in hours or 4 12 15 18 21 24 2 3 4 51 6 flies A 9 flies B 10 flies C Average ° (for B and C females only). Days 6 7 8 9 10 11 12 13 14 6 flies A 9 flies B
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Keywords: ., bookauthorwi, bookcentury1900, bookdecade1910, booksubjectzoology
