The New York herald., 1868-03-01

At this rate the whole city below Eighty-sixth
kreet will have been densely packed in 1876; in
go every vacant lot below l55th street will have
|csn built upon, and in 1890 there will have been
suses enough erected on the island for the ac-
ommedation Of 1892 ,946 inhabitants. 1t may be
ssumed for purposes Of calculation that the
|spulation of New York city is now increasing at
be rate OF rs, 900 per year, and will continue so
o increase for the next twenty-five years. or
Until the whole island shall have been occupied
nowing twenty-five persons per house Of twenty
bet by one hundred. Twenty FIVE il, however,
20 large an estimate, the average Of London not
Ising over eight to every inhabited house. In
855 this average in New York was fifteen, and
tin probably never exceed twenty, with anything
Ike due regard to sanitary conditions Below
AShty-s sixth street there wero in 1865 lots
the number of 25,26l Of twenty-five by
ne hundred, which had not been built upon, and
ns increase Of $4,000 calling for An increase Of
900 houses per year, this space will have been
He'd in ten and half years. Five years ago the
rsction of buildings was going on at the rate Of
900 per year, and 5000 hereafter ia not, there.
ore, an extravagant estimate. In 1865 there was
taeant land enough below the line Of l55th street
Or the ereCUOu VI 4O,OoO II uses Va buo ciLo u
wenty feet by one hundred. In fifteen years from
SS5 that is in $780, this will, therefore, have
been filed up, and only the Fort Washington tract
will be left for building upon Streets are not
llled up in this mathematical way Of spacing,
however, and at least one-fourth OF the whole area
must be allowed for public buildings and other
Than dwelling houses. Nor are cross streets filed
hp so soon AZ the longitudinal avenues,
which push northward like pioneers, often many
tQuares in advance of the contiguous cross
|ereets and transverse thoroughfares. Up town,
hlso, population is likely to radiate from centres
axe Yorkville, Harlem, Manhattanville, Fort Wash
ngton and Spuyten Duyvil and to these may be
slded a second tendency-viz., that Of business,
10 gather on the exterior streets and to push
Inward on transverse lines for residences; and
Also a thrd-viz.. the tendency to radiation from
Ae Park on all sides-thc desirability Of lots
routing the Park rendering them likely to be
poonest built upon for purposes Of elegant
suburban residences. Other and lesser tendencies
will operate to an extent, OF course; but that
shesc will be the great operative principles Of the
development Of the upper part Of the island
cannot be doubted, and may be assumed,
therefore, rs inevitable in their influence upon
real estate values for the next ten years.
Property, therefore, is likely to be of greater
value along the longitudinal streets, every one Of
which will be q thoroughfare, than upon those
running transversely, which will be mostly in de.
mand for purposes Of residence. The exterior
streets. both on the Hudson and the Harlem sides,
Ae immediate vicinity OF the Park, the line Of the
new Boulevard, the vicinity Of Fort Washington
and other villages on the upper tract, are likely ia
be for years most rapid in rise Of real estate
values, which will remain more or less sta
onary in the remaining interior and in this direc-
MON the eyes Of shrewd investors are already
burned, as tracts to yield an immediate
2ht. From these points, as the city
Progresses. the increase of values will radiate In
hil directions, until every available square
rod Of the island is occupied few transverse
horoughfares depending upon the adjoining cities
or their location will, perhaps, soon vie with the
sadins avenues in value Of property; but more