LET. XX. PHÆNOMENA OF THE FIXED STARS. 339

burg, in Germany, who first introduced it aboutthe year 1603, in his charts of the constellations.But the best work of this kind which has yetbeen executed for representing the constellations,and the stars of which they are composed, is theAtlas Cœlestis of Flamsteed, or the two plani-spheres of Senex, which, together with the starsdiscovered by M. de la Caille in the southernhemisphere, contain an entire map of the hea-vens ; so that by means of these charts, or agood celestial globe, we can easily know anyparticular star which is discernible to the eye,and tell the constellation to which it belongs.

The names of the constellations, and themanner of denoting some of the principal starsof the first and second magnitude, may be seenin the following table ; in which it may be ob-served, that the stars marked ( 3 , y, &c. are notthe most conspicuous, in the constellations towhich they belong, but were chosen on accountos their places being better settled, or fromtheir being otherwise remarkable.

Constellations in the Zodiac.

Constel.

-

Stars.

Mag.

Constellat.

Marks*

Stars.

Mag.

Aries

cy.

a Arietis

2

Libra

a Librae

L

Taurus

8

Aldebaran

1

Scorpio

Antares

I

Gemini

11

Jastor and Pollux

1.1

Sagittarius

t

e Sagittarii

2

Cancer

Uo

Virgo

2o

SI

Regulus

1

Capricorn usAquarius

; ; ; ;

m

Spica Virginis

I

Pisces

X

* • • *

Z 2

Northern