28 Francis Galton. --- On the Anthropometric Laboratory, &c.
females, and 34 per cent. of the males hear the next shrillest test-note, as against 28 per cent. of the females.
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& & Percentage of cases in which the under-mentioned number of vibrations were perceived as a musical note. &
& & Number of vibrations per second. &
& Ages. & 20,000 & 30,000 & 40,000 & 50,000 & Number of cases.
Males.. { & 23-26 & 99 & 96 & 34 & 18 & 206
& 40-50 & 100 & 70 & 13 & 4 & 317
Females { & 23-26 & 100 & 94 & 28 & 11 & 176
& 40-50 & 100 & 63 & 8 & 1 & 284
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[open square bracket][italics]Reprinted from the Journal of the Anthropological Institute, February, 1885.[closing square bracket]
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