Straits. To obtain its theoretical definition, we should obtain a
position of this point, either by summary observations of the nature
of hydrographic surveys, or by the aid of existing information, and
the longitude thus obtained would be connected with the observatories
best connected with each other. A list of the differences of longitude
would become the definition of our meridian, and not the physical
point in the sea which marks the exact middle of the strait. If, now,
we absolutely wished for a physical point, we have the Island of St.
Lawrence, which is cut towards its eastern part by such a meridian,
and we could put a point of reference there, subject to the condition
that the position of this point should conform to the definition, and
that it should be removed, in one direction or the other, until it did
conform to it. As to the very slight errors which might still affect
the relative positions of the great observatories actually connected
by electricity, they do not concern geography. If I am not mistaken,
the eminent Superintendent of the American Nautical Almanac
acknowledges that we could thus avoid the difficulties which might
result from the changes to which the perfecting of science would in
the course of time give rise in the statement of longitudes.

In this manner the expense would be nothing or small. Thus, also, the
meridian would be truly neutral, both by reason of its position in the
ocean between the continents, and by reason of its definition, since
the zero of longitude would then be so placed as to occupy a point not
identified with any nation. This illustration appears to me to answer
the demands of Professor NEWCOMB. I have taken it only for that
reason, for I maintain no particular method, but only the principle of
neutrality.

Finally, I must return again to those sentimental reasons which my