Inquiries into human faculty and its developmentGalton, Francis
Science
Inquiries into human faculty and its development
Galton, Francis
Ability; Eugenics
In other words, the rate of supply in towns to the next adult
generation is only 77 per cent., or, say, three-quarters of that in
the country. This decay, if it continued constant, would lead to the
result that the representatives of the townsmen would be less than
half as numerous as those of the country folk after one century, and
only about one fifth as numerous after two centuries, the
proportions being 45/100 and 21/100 respectively.
[Transcriber's Note: In the original manuscript, Table I occupied
two facing pages. This is the left-hand (sinister) page; the right-hand
(dexter) page is immediately below.]
TABLE I. -- _Census Returns of 1000 Families of Factory Hands in
Coventry, and 1000 Families of Agricultural Labourers in Warwickshire,
grouped according to the Age of the Mother and the Number of Children
in the Family._
---------------------------------------------------
|NUMBER OF CHILDREN IN FAMILY. |
|---------|---------|---------|----------|--------|
| 0. | 1. | 2. | 3. | 4. |
|---------+---------+---------+----------+--------|
| F | A | F | A | F | A | F | A | F | A |
| a | g | a | g | a | g | a | g | a | g |
| c | r | c | r | c | r | c | r | c | r |
| t | i | t | i | t | i | t | i | t | i |
| o | c | o | c | o | c | o | c | o | c |
| r | u | r | u | r | u | r | u | r | u |
Age of Mother | y | l | y | l | y | l | y | l | y | l |
| . | t | . | t | . | t | . | t | . | t |
---------------------------------------------------
24 to 25 | 28 17 40 31 | 24 32 12 10 2 |
| +-------------------+ |
26 " 27 | 19 18 36 24 36 28 23 26 | 8 8 |
| | |
28 " 29 | 18 17 32 16 20[A] 33 36 23 | 14 23 |
| | |
30 " 31 | 13 4 23 18 24 21 28[A] 31 | 18 22 |
| | |
32 " 33 | 18 11 16 14 19 13 22[A] 27 | 23 26 |
|---------+ | |
34 " 35 | 14 15 | 11 6 17 16 28 18 | 31 34 |
| +-------------------+ | |
36 " 37 | 12 17 4 11 10 13 | 22 14 | 16 20 |
| +---------+ |
38 " 39 | 8 6 9 15 14 17 16 21 22 23 |
| |
40 | 8 7 3 10 8 9 13 14 8 10 |
===============|=================================================|
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