Die letztere Abbildung giebt die Nomenklatur der einzelnen Regio-nen des, von so vielen Astronomen durchforschten Orions-Nebels,(S. 337,) Delambre, Rist, se I'Xstr. moderne1', II. p. 700. Cassini rechnete die Erscheinung dieses viertenSternes (»aggiunta sella czuarta Stella alle tre eontigue«) zu denVeränderungen, welche der Orions-Nebel in seiner Zeit erlitten habe.

(S. 338.) »lt is remarkable tliat witkin tke area ok tketrape/.ium no nekula exists. Vke krigkter Portion ok tke nekulsimmesiatel^ nszaeent to tke trape?ium, korming tke Square kröntok tke keas, is skovvn >vitk tke 18-inek relleotor broken upinto Masses, vvkose motllecl ans eursling ligkt evisentlx insi-eates kx a sort ol granulär texture its consisting ok stars; ansxvken exsmines unser tke Zreat ligkt ok I,ors kosse's relleetoror tke exquisite selining pover ok >ke great ackromatie at Oam-drisge, R. 8., is evisentlz- pereeives to consist ok elusleringstars. Vkere ean tkerekore de liltle soubt as to tke vvkole con-sisting ok stars, too Minute to de siscernes insivisuallx even>vilk tke porverkul aiss, kut >vkiek keeome visikle as Points otligkt xvken oloselz^ asjaesnt in tke more erovvses parts.« st)ut-lines p. 609.) William C. Bond, der einen 23füßigen, miteinem I4zölligen Objectiv versehenen Refractor anwandte, sagt:»tkere is a great siminution ok ligkt in tke interior ok tkeVraperium, kut no suspieion ok a star« sVlem. ok tke Xmer.Xeas., nevv Series Vol. III. p. 93).

(S. 338.) pkilos. Irans aet. kor tke xear 1811 Vol. Ol.p. 324.

" (S- 338.) »Suek is tke genoral bla?e krom tkat part oktke skx«, sagt der Capitän Jacob skombaz-Lngineers) zu Punah,«tkat a person is immesistelx msse avvare ok its kaving risenabove tke kori^on, tkougk ke skouls not be at tke time loolc^ivg at tke keavens, bx tke increase ok general illumination oktke stmospkere, resembling tke etlect ok tke z^oung moon.«Vransaet. ok tke koxal 8oc. okLsinburgK Vol. XVI. 1849Part 4. p. 445.

" (S. 338.) Kosmos Bd. III. S. 251-254.

" (S. 339.) Capreise § 70-90 ?>. IX. Outlines §887PI. IV kig. 2.

" (S. 339.) Kosmos Bd. II. S. 146.