. The Canadian entomologist. Insects; Entomology. 300 THE CANADIAN ENTOMOLOGIST. The results of the study of the candle-power, radiation and tempera- ture measurements will be described at some future time, and it will be. Fig. 27.—Spectral energ-j' curves of fire-Hj- and glow \vorni. sufficient to add that in a healthy fire-fly the abdominal segments contain- ing the photogenic organ are at a higher temperature than the dark seg- ments, whether or not the flashing is in progress. In conclusion, it may be added that for the first time we have sub- stantial evidence that the colour of the light
. The Canadian entomologist. Insects; Entomology. 300 THE CANADIAN ENTOMOLOGIST. The results of the study of the candle-power, radiation and tempera- ture measurements will be described at some future time, and it will be. Fig. 27.—Spectral energ-j' curves of fire-Hj- and glow \vorni. sufficient to add that in a healthy fire-fly the abdominal segments contain- ing the photogenic organ are at a higher temperature than the dark seg- ments, whether or not the flashing is in progress. In conclusion, it may be added that for the first time we have sub- stantial evidence that the colour of the light of various fire-flies is different; the maximum emission of the Pyrophoriis noctihicus being at ^Z^l*- PJioturis pennsylvanica " " 552/^^. Photinus pyralis " " S^y/^t. P/iotifiiis consa7ig7iineus " " 578/*. Mailed October, 4tb, 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 Entomological Society of Canada (1863-1871); Entomological Society of Canada (1951- ); Entomological Society of Ontario. Ottawa [etc. ] Entomological Society of Canada [etc. ]
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