has proved that there is strength enough.

When I went up to No. 9, on my return from South
America, I found the lower centring up, and half full of
the working-bees,--who were really Keltic laborers,--all
busy in bringing up the lower half-dome of the shell.
This lower centring was of wood, in form exactly like a
Roman amphitheatre if the seats of it be circular; on
this the lower or inverted brick dome was laid. The
whole fabric was on one of the terraces which were heaved
up in some old geological cataclysm, when some lake gave
way, and the Carrotook River was born. The level was
higher than that of the top of the fly-wheels, which,
with an awful velocity now, were circling in their wild
career in the ravine below. Three of the lowest
moonlets, as I have called them,--separate croquet-balls,
if you take my other illustration,--had been completed;
their centrings had been taken to pieces and drawn out
through the holes, and were now set up again with other
new centrings for the second story of cells.

I was received with wonder and delight. I had
telegraphed my arrival, but the despatches had never
been forwarded from Skowhegan. Of course, we all had a
deal to tell; and, for me, there was no end to inquiries
which I had to make in turn. I was never tired of
exploring the various spheres, and the nameless spaces
between them. I was never tired of talking with the
laborers. All of us, indeed, became skilful bricklayers;
and on a pleasant afternoon you might see Alice and