Evolution (Biology); Glacial epoch; Human beings -- Origin; Human evolution
A. Canaan range, in the State of New York. The crest consists of
green chloritic rock.
B. Richmond range, the western division of which consists in
Merriman's Mount of the same green rock as A, but in a more
schistose form, while the eastern division is composed of
slaty limestone.
C. The Lenox range, consisting in part of mica-schist, and in some
districts of crystalline limestone.
d. Knob in the range A, from which most of the train Number 6 is
supposed to have been derived.
e. Supposed starting point of the train Number 5 in the range A.
f. Hiatus of 175 yards, or space without blocks.
g. Sherman's House.
h. Perry's Peak.
k. Flat Rock.
l. Merriman's Mount.
m. Dupey's Mount.
n. Largest block of train, Number 6. See Figures 51 and 52.
p. Point of divergence of part of the train Number 6, where a
branch is sent off to Number 5.
Number 1. The most southerly train examined by Messrs. Hall and
Lyell, between Stockbridge and Richmond, composed of blocks
of black slate, blue limestone and some of the green Canaan
rock, with here and there a boulder of white quartz.
Number 2. Train composed chiefly of large limestone masses, some
of them divided into two or more fragments by natural joints.
Number 3. Train composed of blocks of limestone and the green
Canaan rock; passes south of the Richmond Station on the Albany
and Boston railway; is less defined than Numbers 1 and 2.
Number 4. Train chiefly of limestone blocks, some of them thirty
feet in diameter, running to the north-west of the Richmond
Station, and passing south of the Methodist Meeting-house,
where it is intersected by a railway cutting.
Number 5. South train of Dr. Reid, composed entirely of large
blocks of the green chloritic Canaan rock; passes north of
the Old Richmond Meeting-house, and is three-quarters of a mile
north of the preceding train (Number 4).
Number 6. The great or principal train (north train of Dr. Reid),
composed of very large blocks of the Canaan rock, diverges at p,
and unites by a branch with train Number 5.
Number 7. A well-defined train of limestone blocks, with a few
of the Canaan rock, traced from the Richmond to the slope
of the Lenox range.)
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