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POPULAR SCIENCE REVIEW. 
Figs. 2 and 3 will serve to illustrate my meaning. It is not 
difficult to recognise in both these figures the existence of star 
Fig. 2. 
A portion of one of Argelander’s charts, the centre being in about 26|° N. Dec., 
and 22h. 8m. E.A. 
A portion of one ot Argeiander s charts, the centre of the space here shown 
being nearly in 32^° N. Dec., and lOh. 28m. R.A. 
streams and star sprays too well marked to be regarded as due 
to accident ; but yet we are led to suspect that the streams 
