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The lt;onstcllat Ion*.Gygnus, Cnprieornus and Delphlnu* are the three constellation* which in thin latitude will come to the meridian about 9 o'clock In the September evening*. Cvg* uus, or the Swan, is situated due east of Lyra and memorable for its shape-that of a largo cross. The lightest star of this conspicuous constellation is Alpha, or1 m nel, situated at the top* while Beta, orAlbireo, is at the foot. The crosspiece ismarked by the three stars Delta, Gamma and Epsilon, Gamma being in the middle. Ida is between Beta and Gamma. Completing the parallelogram, of which Deneb, Gamma and Epsilon mark the three other vertices, the fourth vertex is a star that Ismemorable as the first star, the parallaxof which was determined by the famous astronomer Roisel in the year 1S3S. This is the fine double star 61 Cygni, though It* duplicity requires a rather large telescope. The two stars constituting it forms a binary system; that is. of two suns revolvingabout each other in a period of 4.~o year*. The discovery of this fact, in Itself so interesting, was of special importance in that it proved the extension of the law of gravitation beyond the limits of our solar system. The famous discoverer, Sir William Herschel, who made observations on 61 G.vgnl with a view of finding its annual parallax, in which he, however, failed, noticed this revolution of these two physically connected stars. To use his expression, he went out. like Saul, to seek his father s asses, and found a kingdom. Cap-ricornuN Is the eleventh of the 12 constellations of the zodiac and is marked by three pairs of stars arranged in a triangle. The westernmost pair «»f stars consists of the stars Alpha, or Giedi. and Beta, or Dabih, of which the former is a double star,visible as such to the naked eye. Between Oyg-ntt* and Caprlcornus is the constellation Delphinus, or the Dolphin. Althoughsmall, it is one of the famous 48 of Ptolemy and quite conspicuous by Its shape—that of a diamond. To many this constellation is known by the somewhat fanciful name of Job's Coffin, though for what reason it ever receh e«i this curious name is a mystery. Delphlnu*. Sagitta and Aqulla are lying rather close together. A littledistance to the southwest of Delphlnu* Is situated a still smaller constellation that would hardly be worthy of mention were it not for the fact that it also belongs to the ancient 48. It is called Equulene, or the Little Horse. The beautiful star Arc-f lititw. i 111 it* /I III t h O CA1I t ^ AAft
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