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On the Varieties of Bacillus Coli associated with the House-fly (Musca Domestica)

Published online by Cambridge University Press:  15 May 2009

William Nicoll
William Nicoll
Affiliation:
(From the Lister Institute of Preventive Medicine, London)
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1. A study of the natural bacterial flora of the house-fly appears to be essential in forming a correct estimate of the part played by flies in transmitting pathogenic bacteria.

2. The house-fly may carry at least 27 varieties of Bacillus coli, by far the most frequent of which are B. coli communis and MacConkey's bacillus No. 71.

3. As far as can be judged from the character of these colon bacilli the house-fly derives its bacterial flora equally from excremental matter and from other sources.

4. Certain non-lactose fermenting bacilli appear to be capable of multiplying in the intestine of the house-fly. Of these Morgan's bacillus No. 1 is a not infrequent inhabitant of the fly's intestine and B. paratyphosus β has been found on two occasions.

Type
Research Article
Information
Journal of Hygiene , Volume 11 , Issue 3 , October 1911 , pp. 381 - 389
Copyright
Copyright © Cambridge University Press 1911

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