BO
Experiment No. 2.-2 bugs completely immersed for 5 minutes. One of these animals recovered completely after 30 minutes, The other was dead.
Experiment No. 3.-2 bugs completely immersed for 15 minutes.
One of these bugs was lively after 45 minutes, The other was dead.
This series of experiments was repeated twice with sitilar results.
E.-SERIES.
5 Parts or 5 c.c. of Jeyes' Fluid in 100 c.c. of water.
Experiment No. 1.-2 bugs completely immersed for 1 minute.
Both animals, after removal, were found dead.
Experiment No. 2.—2 bugs completely immersed for 5 minutes.
After removal, both animals were dead.
Experiment No. 3.--2 bugs completely immersed for 15 minutes.
After removal, both animals were dead.
This series of experiments was repcated with an exactly similar result, In this experiment, however, 2 bugs were completely immersed for
F-SERIES.
30 seconds. One animal recovered after 30 minutes, the other was dead.
6. Parts or 6 c.c. of Jeyes' Fluid in 100 c.c. of water.
Experiment No. 1.-2 bugs completely immersed for 30 seconds.
Both animals found dead on removal
hours.
Observation extended over several
Experiment No. 2.-2 bugs completely immersed for 1 minute.
Both animals found dead on removal.
Two other experiments were made-namely immersion for 3 minutes and 15 minutes respectively, but in both cases the animals were found dead. This series of experiments was repeated several times with prolonged observation, but in every instance, the animals were found dead.
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Ju916/10
241
GOVERNMENT HOUSE,
HONG KONG.
Detoba 1903
Sept.
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amy care
include the time during
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