The Heavens in May. 
By Professor Samuel G. Barton of the University of Pennsylvania. 
T HE bright winter constellations 
have now disappeared from our 
map, to be replaced by the fainter 
summer constellations coming up in the 
east. The great dipper is now almost 
overhead and the little dipper, Ursa 
Minor, is well above the pole. 
While Ursa Major, “the big dipper.” 
naked eye. It is best known by reason 
of the fact that the great spiral nebula 
called the Whirlpool Nebula is located 
in it. This spiral nebula is the finest of 
its class. It shows well, however, onlv 
when photographed with a long ex- 
posure. Just south of Canes Venatici 
lies Coma Berenices, a concentrated 
north 
is the best known constellation, it is 
surrounded on nearly every side by con- 
stellations which are faint and among 
the least widely known. These, too, 
are well located now. Just south of the 
handle of the dipper is Canes Venatici. 
It contains fifteen stars visible to the 
group of faint stars, twenty of them be- 
ing visible to the naked eye. West of 
this, just above Leo. is Leo Minor with 
fifteen naked eye stars. West of this 
is Lynx with twenty-eight naked eye 
stars. This constellation was invented 
by Hevelius in 1690. He said the name 
