constitutional disease. Indeed, the secret history of a family is quite as 
important in its eugenic aspect as its public history; but one cannot 
expect persons to freely unlock their dark closets and drag forth family 
skeletons into the light of day. It was necessary in such a work as this 
to submit to considerable limitations, while turning to the fullest 
account whatever could be stated openly without giving the smallest 
offence to any of the persons concerned. 
One limitation against which I still chafe in vain is the impracticability 
of ascertaining so apparently simple a matter as the number of kinsfolk 
of each person in each specific degree of near kinship, without 
troublesome solicitations. It was specially asked for in the circular, but 
by no means generally answered, even by those who replied freely to 
other questions. The reason must in some cases have been mere 
oversight or pure inertia, but to a large extent it was due to ignorance,
for I was astonished to find many to whom the number of even their 
near kinsfolk was avowedly unknown. Emigration, foreign service, 
feuds between near connections, differences of social position, 
faintness of family interest, each produced their several effects, with 
the result, as I have reason to believe, that hardly one-half of the 
persons addressed were able, without first making inquiry of others, to 
reckon the number of their uncles, adult nephews, and first cousins. 
The isolation of some few from even their nearest relatives was 
occasionally so complete that the number of their brothers was 
unknown. It will be seen that this deficiency of information admits of 
being supplied indirectly, to a considerable degree. 
The collection of even the comparatively small amount of material now 
in hand proved much more troublesome than was anticipated, but as the 
object and limitations of inquiries like this become generally 
understood, and as experience accumulates, the difficulty of similar 
work in the future will presumably lessen. 
CHAPTER II. 
--NOTEWORTHINESS. 
The Fellowship of the Royal Society is a distinction highly appreciated 
by all members of the scientific world. Fifteen men are annually 
selected by its council out of some sixty candidates, each candidate 
being proposed by six, and usually by more, Fellows in a certificate 
containing his qualifications. The candidates themselves are 
representatives of a multitude of persons to whom the title would be not 
only an honour but a material advantage. The addition of the letters 
"F.R.S." to the names of applicants to any post, however remotely 
connected with science, is a valuable testimonial and a recognised aid 
towards success, so the number of those who desire it is very large. 
Experience shows that no special education, other than self-instruction, 
is really required to attain this honour. Access to laboratories, good 
tuition, and so forth, are doubtless helpful, so far that many have 
obtained the distinction through such aid who could not otherwise have 
done so, but they are far from being all-important factors of success.
The facts that lie patent before the eyes of every medical man, engineer, 
and the members of most professions, afford ample material for 
researches that would command the attention of the scientific world if 
viewed with intelligence and combined by a capable mind. 
It is so difficult to compare the number of those who might have 
succeeded with the number of those who do, that the following 
illustration may perhaps be useful: By adding to the 53 registration 
counties in England, the 12 in Wales, the 33 in Scotland and the 32 in 
Ireland, an aggregate of 130 is obtained. The English counties, and the 
others in a lesser degree, have to be ransacked in order to supply the 
fifteen annually-elected Fellows; so it requires more than eight of these 
counties to yield an annual supply of a single Fellow to the Royal 
Society. 
It is therefore contended that the Fellows of the Royal Society have 
sufficient status to be reckoned "noteworthy," and, such being the case, 
they are a very convenient body for inquiries like these. They are 
trained to, and have sympathy with, scientific investigations; 
biographical notices are published of them during their lifetime, 
notably in the convenient compendium "Who's Who," to which there 
will be frequent occasion to refer; and they are more or less known to 
one another, either directly or through friends, making it comparatively 
easy to satisfy the occasional doubts which may arise from their 
communications. It was easier and statistically safer to limit the inquiry 
to those Fellows who were living when the circulars were issued--that 
is, to those whose names and addresses appear in the "Royal Society's 
Year Book" of 1904. Some of them have since died, full of honours, 
having done their duty to their generation; others have since been 
elected; so the restriction given here to the term    
    
		
	
	
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