London's Pulse: Medical Officer of Health reports 1848-1972

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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London

London County Council 1899

[Report of the Medical Officer of Health for London County Council]

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PLATE II.
Fig. 5—B. mesentericus. Sewage variety I. Microscopic
preparation from a 20 hours' agar culture at
20 C. X 1,000.
Fig. 6—B. mesentericus. Sewage variety I. Microscopic
preparation stained by V. Ermengem's
method, showing numerous flagella'; from a 20
hours' agar culture at 20° C. x 1.000.
Fig. 7—B. mesentericus. Sewage variety I. Gelatine
plate culture, about natural size.
Fig. 8—B. mesentericus. Sewage variety I. Gelatine
"stab" cultures, about natural size—
(a) Three days' growth at 20° U.
(h) Two days' growth at 20° C.
(c) One days' growth at 20° C.