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Diagram 4.
DIAGRAM shewing the anomalous
distribution of Musca and Homalomyia
on fly papers.
* = Musca. x = Homalomyia.
No. 1. Paper hung vertically in a first floor front
room used as a living room.
No. 2. Paper hung on ceiling joist 10 feet above
floor in a third floor dormitory (87 beds).
No. 3. Paper hung on ceiling, gummed side downwards.
The paper sagged somewhat to the
left of the centre line
Nos 4 and 5. These two papers were hung side by side in the same room as
Papers Nos. 1 and 3. The turned up lower strip of the paper on the left
waft gummed, that of the paper on the right was not.