Still, jast how the rats transmit the germs remained question, some ascribing it to the medium of their ish experts io combated this ides infected fleas on the rats to be the agents for transmission. During one of the visitations, I made repeated experiments of the testi method adopted by the British physicians After the plague victim was removed and the inmates were isolated, few marmots known to be very acutely susceptible to infection were set at large in the deserted house fora few days and were then pat in a cage. In a few days, the rodents died of the bubonic plague, evidently infected through the fleas which bad been on the rate in that
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