CONTENTS. 
GLossa RY—( Continued.) 
Colur des Frithlings-A:quinoxiums, Colure of the 
vernal equinox ; — des Herbst-A:quinoxiums, 
Col. of the Autumnal equinox ; — der Nachi- 
gleichen, Col. of the equinoxes ; — des Sommer- 
solstitizums, Col. of the Summer solstice ; — des 
Wintersolstitiums, Col. of the Winter solstice. 
Comet von 1811 vor seiner Erscheinung. Pro- 
jectirt auf die Ekliptik am 25 Marz 1811. 
Neigung der Bahn 75° 5’, Comet of 1811 
before its appearance. Projected on the 
ecliptic March 25, 1811, Inclination of the 
orbit 75° 5’.— von 1811 nach seiner Erschei- 
- nung b. am 1 Marz 1812, Comet of 1811 after 
its appearance until March 1, 1812. 
Dauer der. laingsten Ndchte, Duration of the 
‘longest nights ; — des lingsten Tages, Dura- 
tion of the longest day. 
Dichteres Medium, Denser medium. 
Drei Uhr Morgens, 3 o’clock A. M. ; 
mittag, 3 o’clock P. M. 
Dritter Octant, Third octant. 
Dinneres Medium, Rarer medium. 
Ebene der Pallas, d. Juno, &c., Planes of the 
orbits of Pallas, Juno, &c. 
Eintritt beim Aufgang der Sonne, Entrance at 
sunrise ; — beimUntergang d. Sonne, Entrance 
at sunset. 
Ekliptik, Ecliptic. 
Erdaxe, Axis of the earth. 
Erdbahn, Orbit of the earth. 
Erde, Earth. 
Erster Octant, First octant. 
Erstes Viertel, First quarter. 
Excentricitdét, Eccentricity. 
Frihling, Spring. 
Frithlingsnachtgleiche, Vernal equinox. 
Gemdssigie Zone, Temperate zone. 
Grosse Axe, Axis of the heavens. 
Halley scher Comet v. 1759 u. 1835, Neigung 
seiner Bahn, Halley’s Comet of 1759 and 1835, 
inclination of its orbit. 
Heisse Zone, Torrid zone. 
Herbst, Autumn. 
Herbsinachtgleiche, Autumnal equinox. 
Horizont, Horizon. 
Kalte Zone, Frigid zone. 
Kometenbahn, Orbit of a comet. 
Letztes Viertel, Last quarter. 
Millionen Meilen. Millions of miles. 
Mittag, Noon. 
Mittelkraft, Mean force. 
Mitternacht, Midnight. 
Monate, Months. 
Mond, Moon ; — -bahn, Orbit of the moon ; 
-finsterniss, Eclipse of the moon. 
Morgen, Morning ; — -stern, Morning star. 
Neumond, New moon. 
Neun Uhr Abends, 9P.M.; — Morgens, 9 A.M. 
Niedersteigender Knoten, Descending node. 
Nord, North ; — -pol, Northpole. 
Nérdliche Declination der Sonne, 
declination of the sun. 
Nordlicher Polarkreis, Arctic circle. 
Obere Conjunction, Superior conjunction. 
Cstliche Digression, East digression. 
Ost, East. 
Perihelium, Perihelion. 
Polarstern, Polar star. 
Polhihe tiber dem Horizont, Elevation ot the 
pole above the horizon. 
— Nach- 
Northern 
xl 
eLossaryY—( Continued.) 
Richtung des Schattens um Mittag, Direction of 
the shadow at noon. 
Rotationsaxe, Axis of rotation. 
Scheinbarer Himmelsbogen, Apparent arch of the 
heavens ; — Horizont, visible horizon. 
Sechs Uhr Abends,6 P.M.; — Morgens,6 A.M. 
Solstitial oder Wendepunktlinie, Solstitial colure. 
Sommer, Summer ; — -Sonnenwende, Summer 
Solstice. 
Sonne, Sun ; — Sonnen-quator, Sun’s equator ; 
— -finsterniss, Eclipse of the sun ; — -scheibe 
im Groéssenverhdltniss zu den Planeten, The 
sun’s disk ; its size compared to the diameters of 
the planets. 
Stunden, Hours ;— Entfernung, Hours’ distance ; 
— -ring, Hour-circle. 
Siid, South ; — -pol, South pole. 
Sitdliche Declination der Sonne, Southern decli- 
nation of the sun. 
Sudlicher Polarkreis, Antarctic circle. 
Stidwestlicher Suonnenrand, Southwestem edge of 
the sun. 
Trabanten des Jupiter; — des Saturn; — des 
Uranus, Satellites of Jupiter, Saturn, and 
Uranus. ; 
Untere Conjunction, inferior conjunction. 
Vierter Octant, Fourth octant. 
Vollmond, Full moon. 
Vom Pol bis zum Zenith, From pole to zenith ; 
— Zenith biz zum Aiquator, From zenith to 
equator. 
Wahrer Horizont, True horizon. 
Wendekreis des Krebses, Tropic of Cancer ; 
des Steinbocks, Tropic of Capricorn. 
Westliche Digression, West digression. 
Wintcr-Sonnenwende, Winter solstice. 
Zoll, Digit, inch. 
Zunehmender Mond, Increasing moon. 
Zweites Octant, Second octant. 
a=" For names of Constellations of the Zodiac, 
see p. 90. 
PLATE I1. 
Beer and Madler’s Map of the Moon, 
PLATES 12, 13. 
Map of the Northern Heavens (N6rdliche Stern- 
karte), and of the Southern Heavens (Stdliche 
PAGE 
133-137 
Sternkarte), 4 pee fy 
Names of constellations, . 90-93 
PLATE 14. 
Figs. 1-11. Relative sizes of the planets 
with respect to the sun’s dia- 
meter, ; 118 
eth Positions of Saturn and its 
ring with he to the 
earth, 119 
«< 16-35. Apparent size of the planets 
in their perigee and apogee, 120 
« 36-45. Apparent size of the sun as 
seen from the planets, 120 
« 46-54. Comparison of the diameters 
of the moon and the planets 
to the diameter of the earth, 12] 
« 55. Mode of ee a transit of 
Venus, 12] 
« 56... Fotal eclipse of the sun, 122 
« 57. Aurora borealis, 145 
« 58. Aurora australis. 145 
« 59. Mock suns, 145 
