The name is absent

72          Sidereal Explorations

stars from the sixth to the eighth magnitudes are shown in
Figure Ila, the data being taken from the Henry Draper
Catalogue. For magnitudes eight to nine the star positions
are plotted in Figure lib; for nine to ten in Figure 12a;

Figure 10. Class M stars of magnitudes 10.1 to 11.0 in the Taurus
region of the Henry Draper Extension.

for ten to eleven in Figure 6 ; and for stars fainter than the
eleventh magnitude, as far as data are available, in Figure
12b. This last plot shows a number of stars appearing in
the region that is nearly void of brighter stars. I believe

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