66 D. Kirkwood on Planetary Distances. 
“Art. IX.—WNote on the Planetary Distances; by Prof. Da 
K 
IRKWOOD, Indiana State University. 
for July, 1864, p. 12, it may be proper to state that by the t 
might suggest a true law of nature, if not found itself in stric 
This fact, together with 
y Ps = Sei. en Alexander, at the Montreal Meeting of the Am. Assoc. for 
