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sister fell ill, and was in the habit of eating periwinkles. One
case contracted the infection at Queenstown. Twelve cases
had eaten shell fish within three weeks of infection, viz.;
3 mussels, 3 winkles, 2 cockles, and 1 scallops. One of these
had eaten the cockles at Southend, where there had recently
•been an outbreak of Enteric, due to cockles. Three cases had
had ice creams, 2 fried fish, 2 lettuce, and 2 watercress. In
the remaining cases no source of infection was discovered.
Of the 9 Eltham cases 4 lived in Court Eoad and West
Park, 1 was a greengrocer, 1 a hawker who had had cockles,
1 a carter who had had oysters, and 1 was due to direct
infection outside the Borough.

51. Bacteriological Diagnosis.—Blood serum from 30 cases
of suspected Enteric Fever was submitted to the Jenner Institute
for the application of the Widal re-action, compared with
27 in 1901. A positive result—showing the existence of Enteric
—was obtained in 13 cases and a negative in 17.
52. 42 of the 58 cases notified were removed to a Fever
Hospital, and eight were there found to be a mistaken diagnosis,
or 14 per cent., compared with 12 per cent, in 1901.