97 



Guillaume, J. Diametres de Jupiter 

 obtenus avec I'equatorial Brunner de 

 I'observatoire de Lyon. Influence du 

 •^rossissement. Paris, C.-R. Acad, sci., 

 133, 1901, (619-621). [6020]. 80G 



Observations du soleil 



faites a I'Observatoire de Lyon pendant 

 le quatrieme trimeslre de 1900. Paris, 

 C.-R. Acad, sci., 132, 1901, (621-622). 

 [4070]. 807 



Observations du soleil faites 



pendant le premier trimestre de 1901. 

 Paris, C.-R. Acad, sci., 133, 1901, 

 (90-91). [4070]. 808 



Le Cadet et Luizet, [il]. Ob- 



servation-s des variations d'eclat de la 

 IDlanete Eros faites a I'Observatoire de 

 Lvon. Paris, C.-R. Acad, sci., 132, 



1901, (530-531). [6540]. 809 



Gulik, D van. Zur Demonstration des 

 Dopplerschen Prinzips. Zs. phvsik. 

 Unterr., Berlin, 14, 1901, (288-290). 

 [8500 CUU5U]. 810 



Guthnick, Paul. Xeuer Verander- 



licher k (74. 1901) Persei. Astr. Naclir., 



Kiel, 155, 1901, (377-378). [7600]. 



811 



Beobachtungen der Nova 



Persei und des Miuimums 1901 von 

 Mira Ceti. Astr. Nachr., Kiel, 158, 



1902, (97-104). [76U0]. 812 



Xeue Untersucliungen tiber 



den veranderlichen Stem o (ilira) 

 Ceti. Astr. Nacha-., Kiel, 157, 1902, 

 (1-10). [7600 8300]. 813 



Xeue Untersucbungen iiber 



den veranderlichen Stern o (Mira) 

 Ceti. Halle, Xova Acta Leop., 79, 1901, 

 (13-201, mit 24 Taf.). [7600J. 814 



Guyon, E. Sui- I'emploi des circum- 



nieridiennes a la mer. Paris, C. R. 



Acad, sci., 132, 1901, (657-658). 



[0150]. 815 



Discours prononce aux 



fimeraiUes de M. de Bernardieres, le 5 

 fevrier 191X). Annu. Bur. longit., Paris, 

 1901, (H 1-6). [0010]. 816 



Haack, Oskar. Drei Tabellen zur 

 Bestimmung des gi-egorianischen Oster- 

 (latums und der davon abhiingigen Fest- 

 zeiten fiir jedes belieliige Jahr des 20. 

 .lahrhunderts. Prometheus, Berlin, 12, 

 1901, (535-540). [9420]. 817 



Hadden, David E. Observations of 

 Nova Persei. Pop. Astr., Northiield, 

 Minn., 9, 1901, (355). [7600]. 818 



(i;-8904) 



Haga, H[erm3nus]. L'experience de 

 Klinkerfues. Haarlem, Arch. Xeerl., 

 Sci. boc. HoU., (Ser. 2), 6, 1901, (765- 

 772). [025U C6630]. 819 



Haga, W. Report on the magnetic 

 observations made at the University of 

 Groningen, Holland, during, the total 

 solar ecHpse of May 17, 18, 1901. 

 Terr. Mag., Washington, D.C., 6, 1901. 

 (129-172). [4350 F 3060]. 820 



Hagen, John G[eorge]. First chart 

 and catalogue for observing Xova 

 Persei. Pop. Astr., Northfield, ilinn., 

 9, 1901, (191-194). [7600]. 821 



Second chart and cata- 

 logue for observing Nova Persei. Pop. 

 Astr., Xorthfield, Minn., 9, 1901, (279- 

 281, with chart). [7600]. 822 



Second chart and cata- 

 logue for obseri'ing Xova Persei. 

 Chicago, 111., Astroph. J. Univ. Chic, 

 13, 1901, (233-237). [7600]. 823 



Progress in astronomical 



jihotometry. Washington, D.C., BuH. 

 Phil. Soc.;i4, 1901, (151-155). [OOIO* 

 2400]. 824 



Note on some engraved 



charts of Pogson's proposed atlas of 

 variable stars. London, Mon. Xot. R. 

 Astr. Soc, 61, 1901, (399-401). [7600]. 



825 



Confirmation of the varia- 

 bility of 68. 1901 Persei. Astr. Nachr., 

 Kiel", 156, 1901, (335-336). [7600]. 826 



Ueber die Periode des 



Veranderlichen S Persei. Astr. Nachr., 

 Kiel, 157, 1902, (303-306). [7600]. 827 



Ueber Ceraski's Begleiter 



der Nova Persei. Astr. Nachr., Kiel, 

 157, 1902, (321-322). [7600 7020]. 



828 



Preliminary light cun'e 



of Nova Persei 1901 from February 22 

 to May 1. Washington, D.C., (George- 

 town' Univ. Press), [1901], (15, with 

 chart). 31 cm. [7600]. 829 



Halm, J. Zur Theorie der neuen 

 Sterne. Astr. Nachr., Kiel, 156, 1901, 

 (147-156). [7600 8300]. 83u 



Haid, .Mratthaus]. Die moderneu 

 Ziele der Erdmessung. Festrede. Karls- 

 ruhe, (G. Braim), 1901,(20). 28 cm. 

 0.6(.> .M. [5(J00 5100 J 10]. 831 



Polhohenschwaakung und 



inteniationaler Polhohendienst. Zs. 

 Laudniesserver., Cassel, 21, 1901, (17- 

 28). [5100 J 80]. . 332 



c. 



