d _tailed_ letters) I substitute
upright crosses for the oblique partitions, assigning the 4 portions,
into which each of the 16 Cells is thus divided, to the four Classes eh,
eh', e'h, e'h'. We have now got 64 Cells.

#=============================#
H | H | H
H | #=====H=====# | H
H | H | H | H | H
H-----|--H--|--H--|--H--|-----H
H | H | H | H | H
H #=====H=====H=====H=====# H
H H | H | H | H | H H
H H--|--H--|--H--|--H--|--H H
H H | H | H | H | H H
H==H=====H=====H=====H=====H--H
H H | H | H | H | H H
H H--|--H--|--H--|--H--|--H H
H H | H | H | H | H H
H #=====H=====H=====H=====# H
H | H | H | H | H
H-----|--H--|--H--|--H--|-----H
H | H | H | H | H
H | #=====H=====# | H
H | H | H
#=============================#
pg178
For _seven_ letters (adding k) I add, to each upright cross, a little
inner square. All these 16 little squares are assigned to the k-Class,
and all outside them to the k'-Class; so that 8 little Cells (into which
each of the 16 Cells is divided) are respectively assigned to the 8
Classes ehk, ehk', &c. We have now got 128 Cells.

#=====================================================#
H | H | H
H | #===========H===========# | H
H | H | H | H | H
H .--|--. H .--|--. H .--|--. H .--|--. H
H | | | H | | | H | | | H | | | H
H-----|--|--|--H--|--|--|--H--|--|--|--H--|--|--|-----H
H | | | H | | | H | | | H | | | H
H .--|--. H .--|--. H .--|--. H .--|--. H
H | H | H | H | H
H #===========H===========H===========H===========# H
H H | H | H | H | H H
H H .--|--. H .--|--. H .--|--. H .--|--. H H
H H | | | H | | | H | | | H | | | H H
H H--|--|--|--H--|--|--|--H--|--|--|--H--|--|--|--H H
H H | | | H | | | H | | | H | | | H H
H H .--|--. H .--|--. H .--|--. H .--|--. H H
H H | H | H | H