p.3

[blue, ruled laid paper; worn embossing at u.l.: B & Co [sprigs over a basket of flowers on a table with B & Co in a rectangular impression]; handwritten page, verso, visible]

Phaenopora explanata, Hall [James Hall Jr. (September 12, 1811 – August 7, 1898) was an American geologist and paleontologist.],
Pal. of N.Y. Vol.2 p.46 pl.18 fig.6

Corallum consisting of a thin, even,
expanded crest with no apparent ten-
dency to branding, both sides equally
celluliferous; cellules oval ["oval" crossed out] minute, oval,
arranged between direct ["direct" crossed out] thin long-
itudinal lamellae; transverse arrange-
ment of cellules obliquely ascending
and separated by ^a sharp elevated line,
sometimes somewhat irregularly
arching or undulating. - Cellules in
the transverse direction, 8 in the space of
one line; in the longitudinal direction 10 or
11 in the same place .