A report on the microscopic objects found in cholera evacuations, &c. / by Timothy Richards Lewis.

  • Timothy Richards Lewis
Date:
1870
Catalogue details

Licence: Public Domain Mark

Credit: A report on the microscopic objects found in cholera evacuations, &c. / by Timothy Richards Lewis. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

    147/150 (page 125)
    It was subjected to a prolonged microscopic examination. During the first three days a number Microscopic examination. mo|ccu]^es developed in the fluid containing the three feet soil; then an abundance of animal- cules like the ones alluded to in connection with the Meerut soil (Dig. xcvii, 2-3). At Nos. 5, G, and 7 various forms are depicted, assumed by one in two minutes, which was also occasionally seen to jerk suddenly in the same manner as 2 and 3. The reddish body at 1 is a spore, probably belonging to the Dematiei family—a very common fungus. The test tube containing the other sample of soil from a depth of six feet having been left Another ot Hackci’s loners (!) undisturbed for a week, was, on exami- nation, found to contain several examples of slimy bodies of a lower organization than the amoeba, there being no contractile vesicle, although generally one or more vacuoles were seen (c). Nearly all of them contain molecular matter, which flows towards the portion of substance in the act of being projected. Figures cii to evi illustrate the various forms assumed by one of these in the course of twenty minutes. They were not seen to divide, nor did the protruded processes become amalgamated when they crossed each other. A great number of vibriones developed in this solution, more so than I had observed vibnones unusually pre. -n any 0f piie other specimens of valent. J . J- soil examined, and were very active. These are figured at ci, amongst which one of the just des- cribed moners is seen with extended processes, which were observed to wander throughout the fluid something like the “ horns” of a snail. To these processes monads and small vibriones adhered, which were drawn into the substance of the moner as the processes were retracted. Three days afterwards, all the moners had become spherical and perfectly still (evii). The other animalcules which made their appearance were those commonly met with, and require no special des- cription. They are figured at xcviii and xeix, where the names arc also given. Having already alluded to the chief points in connection , „ , with these experiments, whilst des- cribmg the various places visited, it is not considered necessary to refer to them again. The observations concerning the physical geography of the Monera become spherical.