436 Scientific Intelligence. 
sideration of a proposition to establish a chain of observers across 
the country from Kamtschatka to the Black Sea, at intervals of 
about 100 miles. This appears desirable on account of uncertain- 
ties connected with the atmospheric conditions in the month o 
cember. 
very unequal power, and attempt to make the same class of obser- 
e wa 
far apart to exert any nee on e deed, whatever 
theory we may hold respecting stellar distribution, regard 
rally, we must be prepared to e stars seen towa 
a 
yr ane the magnitude of these motions. It is only when 
one has adopted the theory that the stars are grouped acco ding 
to special laws of aggregation, that one would be led to anticipate 
that here and there, almost as by accident, so to speak, some indi- 
