Descriptive Astronomy. 



17] 



5610 



Clayton, II[.iiry] Hdm. TIr- i';-a;iy 

 ]x;rio(] in iiuioras and its tonneclion 

 with sunspots. Science, New York, 

 N.Y., (N. Ser.), 18. 1903, (G32). 



Exner, Karl unci ViUiger, W. Oljer 

 das Newton'sche riiiinonifn der Scintilla- 

 tion. Wien, SitzBer. Ak Wiss., Ill, 

 Abtb. Iln, 11102,(1-205-1311). 



Fonvielle, W. de. Hypotlie.s3 de 

 •l.-B. Biot pour expliqiier la liaateur de 

 ratmosphere. Paris, C.-R. Acad, sci., 

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Forel, F. A. Les grandes apparitions 

 <le feux crepnsculaires anormaux. 

 ]>ausanne, Bui. Soc. Sci. Nat., (ser. 4), 

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 Geneve, (ser. 4), 15, 1903, (216-217).' 



Le cercle de Bishop. 



Poussiere volcanique. Arch. Sci. Phys., 

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 Verb. Schweiz. Natf. Ges., Aarau, 86, 

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Fowle, F. E., juv. The absorption of 

 water vapor in the infra-red solar 

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 sonian Inst., :^lisc.. Coll. Q., 47, 1904, 

 (1-12). Separate. 25 cm. 



Haitwig, Eni-^t. Mitteilung iiher eine 

 merkwiirdige iMnwirkung auf eine elek- 

 Iromagneiische L'hr beim Auftreten 

 pines Nordlichtes. Astr. Xachr.. Kiel, 

 164, 1904, '355-.35G). 



Homen, Tli[eodor]. Beitrage zur 

 Kenntni^j der Warmehaushaltung in der 

 Xatur. llelsingfors, C.-R. Cong. Nat. 

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King, A. F. A. An unusual aurora 

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Erebs, Willielm. Verzerrungsfornicu 

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Langley, S[;iniuel] P[ierpont]. "(looil 

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 sonian Inst., Hop., 1902, 1903, (1 1. r 

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 Amer. J. Sci, New Haven, Conn., (Ser. 4 1, 

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McHarg, .Idin. Auroral disijlav. 

 Engl. Mod, , London., 79, 1904, (213)." 



Mclllienny, E. IT. Some atmospheric 

 ))hei)omeiia observed at Point Barrow. 

 .\laska. Tho Century Magazine, New 

 York, N.Y., (N. Ser. 43), 65, 1003.(039 

 041). 



Maillaxd, Louis. Sur la conslitutioi* 

 jjhysique de Latmosphere. Paris, C.-R- 

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Metmler, Stanislas. Pluie de pous- 

 siere recemment observt'e en Islande, 

 Paris, C.-R. Acad, .sci., 136, 1903,(1713- 

 1714). 



Nordmann, Charle.^. Sur la periode 

 diurne des aurores boreales. Paris, 

 C.-R. Acad, sci., 136, 1903,(14.30-1432j. 



Rudolph, A. Ueber die Dunhlassig- 

 keit von Nebel fiir Lichtstrablen vo» 

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Spring, W. Le bleu du cicl. Verb. 

 .Schweiz. Natf. Ges., Aarau, 85, 1902,. 

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Stokes, Frank Wilbert. The auror.» 

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Sykora, I. Observations directes et 

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5500 



ISTRA-MERCrmAn 

 PLANETS. 



Perrine, C[harles] DFillon]. Result* 

 of the search for an intra-ifercurial 

 planet at the total solar eclipse of 1901, 

 -May 18. Berkeley, Lick Obs.. Univ_ 

 Cai, Bull., No. 24,"l902, i[183]-[187]). 



560D MERCURY. 



GENERAL. 



Ephcmerides for Physical observations^ 

 ol ... Mercury . . . Naut. 

 Aim,, London, 1907, 'lOOL Aj jvndix. 



5610 t'B.^KIJVATlONS OF 



POSITION OK MERCCRY. 



Greenwich, Royal Observatory. Right 

 ascensions and North Polar distances ol 

 the centre of Mercury. Greenwicli 

 OI)sn8. 1901, 1903, (107.' *52l). 



