308 ON THE GERM THEORY OF PUTREFACTION 
EXPLANATION OF PLATES VI TO X 
PLATE VI 
Fig. 1, a pencil of fructifying threads of the common blue mould Penicillium Glaucum. 
Fig. 2, a group of cells of the yeast plant, Torula Cerevistae. 
Fig. 3, Bacteria from various sources. The pair below the letter a are examples of a granular appear- 
ance of the protoplasm, and the presence of a distinct nucleus in each segment. 6 a Leptothrix 
filament, some of the segments being nucleated. 
Fig. 4 illustrates the ordinary mode of growth of Bacteria, viz. by increase of the segments length- 
wise and transverse segmentation. When first sketched, at 7.30 a.m., the object consisted of 
three segments, a, c,, b,. During the few minutes that elapsed between the completion of this 
sketch, and that at 7.42 a.m., the uppermost segment 0, is seen to have increased in length to 
the size shown at b,, and the two lower ones are not only longer, but each presents a transverse 
line of segmentation, while the middle segment is bent at this new place of division, c,. Three 
minutes later the three lowest of the five segments of which the object now consisted separated 
from the other two, and in the sketch taken at 7.48 they are shown thus detached, the lower 
two obviously increased in length. Two minutes later one of these three was found to have 
separated and moved off, and the remaining pair were observed to swim away as an ordinary 
double bacterium. 
Fig. 5 represents a minute organism, consisting of granules grouped in a different manner from 
that which commonly prevails among Bacteria. The difference of arrangement is explained 
by difference in the mode of growth, as is illustrated by the sketches ¢,, c,, cs, and c,, which repre- 
sent the same granules in process of fissiparous generation. It will be observed that the granules, 
instead of increasing like ordinary Bacteria in one direction only, swell up in all dimensions and 
afterwards undergo segmentation, either into pairs or into fours, as indicated in the letterpress, 
p- 281. 
Fig. 6 represents a form of Torula which resulted from the mingling of a drop of rain with fresh 
uncontaminated urine. Appearing in the first instance as an unmixed Torula (a), it changed 
in course of time to a delicate filamentous fungus (b and c) bearing buds, some of which were 
more or less toruloid in aspect and habit of growth, while others were morphologically identical 
with Bacteria, as described in detail in the text. 
PLaTE VII 
represents the same organism (Torula Ovalis), varying in character according to the medium in which 
it grows, and the period during which it has inhabited it. For a detailed description, see letter- 
press. 
Piates VIII, IX, anp X 
show a minute fungus varying according to its habitat, from a filamentous growth to Torulae of very 
different characters, all distinctly traced to one and the same organism. For a detailed descrip- 
tion, see letterpress. 
These illustrations are all taken from camera-lucida sketches, the magnifying power being 1,140 
diameters, except in some cases where it is lower, as indicated by the scales on the plates. 
