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Updated: May 1, 2025
When the wood has begun to decay by the contact of the impure water, the filaments of mycelium of the Limnophysalis hyalina penetrate into the decayed wood, which becomes a fertile soil for the intermittent fever fungi.
With the evaporated water deposited within the desiccators, I proceeded to an examination, drop by drop. I at length found that which I had sought so long, but always in vain. The parasite of intermittent fever, which I have termed Limnophysalis hyalina, and which has been observed before me by Drs.
With all the intermittent fever patients whose blood I have collected and diluted during the febrile stage, properly speaking, I have constantly succeeded in finding the Limnophysalis hyalina in the blood by microscopic examination.
In order to demonstrate the presence of the limnophysalis in the blood of patients affected with intermittent fever during the febrile stage, properly speaking, it appeared necessary for me to dilute the blood of patients with a solution of nitrate of potassa, having at 37.5 deg.C. the same specific gravity as the serum of the blood.
The employment for the preparation of mortar of water not filtered, or of foul, muddy sand which contains the Limnophysalis hyalina, explains how intermittent fevers may proceed from the walls of houses. This arises also from the pasting of wall-paper with flour paste prepared with water which contains an abundance of the fungi of intermittent fever.
It develops in the glands of Lieberkuhn, and multiplies itself; after which the individuals, as soon as they are formed, are drawn out and carried away in the blood of the circulation. The Limnophysalis hyalina is, in short, a solid body, of an extreme levity, and endowed with a most delicate organization.
But, as it is known, the filtering beds of the basins in the water conduits are soon covered with a thick coating of confervae, and the Limnophysalis hyalina then extends from the deepest portions of the filtering beds into the filtered water subjacent.
"As I have demonstrated by my investigations that in the distillation of paludal water, and that from the marshy shores of the sea, the Limnophysalis hyalina, which is impalpable, is carried away and may be detected again after the distillation, it must be insisted that the water intended to be used for drinking on shipboard shall be carefully filtered before and after its distillation."
It is unquestionable that the Limnophysalis hyalina enter into the blood either by the bronchial mucous membrane, by the surface of the pulmonary vesicles, or by the mucous membrane of the intestinal canal, most often, no doubt, by the last, with the ingested water; this introduction is aided by the force of suction and pressure, which facilitates their absorption.
The miasm in the latter case is therefore endoecic, or more exactly entoichic. With us the propagation of intermittent fever has been observed in persons occupying rooms scoured with unfiltered water containing the Limnophysalis hyalina in great quantity. The following imperial ordinance was published on the 25th of March, 1877, by the chief of admiralty of the German marine.
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