PLATE II 
m. i 
it its 
ction 
■ the 
stem 
ibout 
actic 
ggest 
itude 
finds 
[y the 
jjects. 
i (see 
which 
lae of 
these, 
M 33 
t size, 
entral 
wn in 
,te XI. 
1 they 
3. 981 
by the 
dating 
mated 
63,000 
:-cloud 
Mt Wtlson Observatory 
The Spiral Xebula N.G.C. 891 seen edgewise 
(This is oriented so as to compare directly with the sideways nebula shewn in Plate I) 
ie prefix 
i ( 1888 ),