New-York tribune., 1909-01-03

| a dense population amalgamation succeeds In
stead OF precedes the formation of a large na-
| tiOn The process is also more rapid especially
| in the great cities. Intermarriage here in five
| generations extinguishes the pure blood. In the
| second generation immigrants to this country
show decided Improvement in stature and
weight, one cause being the presumable selection
OF immigrants harder than the average To un-
dertake the finding OF new home. and the other
being better living conditions Boston and
Milwaukee school children develop more rapidly
and grow larger than their fellow pupils abroad
The average American is better developed than
the average European. 1t is a curious Observa-
ton OF suthrOpolOgy that the inhabitants OF
Kentuck.- and Tennessee grow very tall. quail
ity attributable to the presence OF lime in their
drinking water This indicates the multitude OF
factors involved in the problem % race develop
ment.
A zoologst who did vs.. 10 be quoted thought
that the future American could best be deduced
BY the rnathemati teal methods Of Professor Kari
Pearson, OF London University Professor Pearson
is translatlng the whole theory o. evolution into
mathematical terms He expresses. fr example.
the laws OF variation and heredlty IN certain for
muIe and indicates the relation between the char
acterstics OF brothers and first cousins in equa
ton. A notable biological exponent OF mathemati-
cal methods In this country is Professor Daven-
port who IS In charge Of the Carnegie laboratory
at Cold Spring HarbOr- Reversion TO the ancestral
type is by no means invariabe: wherever il occurs
Il Is in accordance with the Mendelian law. which
has a mathematical basis. An example is given or
two white sweetpeas interbred by an EnSllsh
scientist the product being the purple wild variety
common in Europe. Here il Is assumed that, as in
an alsebraic problem. latent factors In the two
strains cancel each other, and the result is zero
otherwise reversiOn- In similar way the spectrum
colors combine to produce no color The breeder
can play checkers to speak. with guinea pigs,
taking four OF different colors and length or hair
and mixing their characters at will Any desired
marking and quality OF coat may be produced
But no experiments OF this sort have been possible
with the human race. The only effect OF human
crossing so far established has been TO hair and
eyes, and this follows the Mendeltan law
Franklin Fl. Giddings. professor OF sociology IN
Columbia University. takes issue with the theory
that the Anglo-Saxon type Is doomed 10 exunc-
ton on this continent. Admitting that during the
last ten years immigration from Western Europe
has fallen off, while that from Southern and East
ern Europe. including Italy. Austria and Russia.
has increased, he maintains that the elements OF
English stock will predominate
"practicalIy IS per cent of the foreign born in
America are OF English-Teutonic and Celtic stocks
said Professor Giddngs When we remember that
.ba English people was created by the arnalgaula-
tion of Teutonc with Celtic blood see how little
reason there is expect that the American people
will ever be anything but essentially English The
newer immigration will modify the type. but will
NOT overwbeIn It. The negro will be bleached out
within century or two; his continual crossing
with the white race. being ilegitimate. viii Gauss
him 10 disappear in accordance with the Menoeiian
law The only danger TO the preservation OF our
race tvpe Is the Oriental and believe he VIII De
kept out OF the country under whatever system Oh
.octa+v obtain, in the future With all economic
barriers and prejudces removed shall still prefer
70 maintain our general racial integrity
'.T'he white race is divided into two great sub
races the Eur-African and the Eur-Asian- The
former is long headed and the latter broad headed
We belong 10 the long headed division. which Is
further sub-divided into the Mediterranean and the
BALTIC branches The Mediterranean man is short.
dark and black haired The Baltic man is blond
and he includes the Engiish-Teutonc group of Aus
tralians Danes. English Firms Germans. Holland
a,s ScsndInayians and the Celtic group OF Irish.
Welsh and Scotch; in short. the inhabitants OF
northwestern Europe. This is the material Of our
American In the past and probably viii be In thu
fusurs. ghs Msditsueassn Etouks an Enstisoaii I