most interest, t improve

    t opportunity to study it.  If you examine it closely the

    morning after it freezes, you find t ter part of the

    bubbles,  appeared to be , are against its

    under surface, and t more are continually rising from ttom;

    ively solid and dark, t is, you

    see ter t.  tieto an

    eiger, very clear and beautiful, and you see

    your face reflected in ty or

    forty of to a square inche

    ice narro half an inch long,

    sener, if te

    frese sply above another, like a

    string of beads.  But t so numerous nor

    obvious as times used to cast on stones to try

    trengthrough carried in

    air e bubbles

    beneato ty-eight hours

    after till perfect,

    tinctly by

    t as t two days had been

    very  noransparent,

    ser, and ttom, but

    opaque and hick was hardly

    stronger tly expanded under

    t and run toget ty; they were no

    longer one directly over anot often like silvery coins

    poured from a bag, one overlapping anothin flakes, as if

    occupying sligy of t

    oo late to study ttom.  Being curious to know w

    position my great bubbles occupied o the new ice, I

    broke out a cake containing a middling sized one, and turned it

    bottom uphe bubble,

    so t it  was whe

    lo close against ttish, or perhaps

    sligicular, er of an inch deep

    by four incer; and I o find t

    directly un