stalten bearb. 5. verb. Aufl., bearb. v. 

 J. Plassmann. Paderborii (F. Schoiiingh i , 



1903, (VII + 272, mit Karte). 22 cm. 

 [0050]. 5833 



Hoffmann, Otto. Veranderungen der 



ilondoberfladie. Prometheus, Berlin, 



14, 1903. (801-805, 817-821). [48301 



5834 



Holden, Edwaid S[ingleton]. WLat 



we know about Mars. McClure's 



Magazine, Xew York and London, 16, 



1901, (439-444, with text fig.). [5800]. 



5835 



The predecessors of 



Copernicus. Pop. Sci. Men., Kew York. 

 N.Y., 64, 1904. (316-342). [0010]. 



583t; 



Copernicus. Pop. Sci. 



.Mon., New York, N.Y., 65, 1904, (109- 

 131). [0010]. 58.37 



Holetschek, J. Beobarhtungea des 

 Kometei) 1903 IV (1903 c). Astr. 

 Xachr., Kiel, 164, 1904, (151-154). 

 [6000]. 5838 



Beobachtimgeu iiber die 



Helligkeiten der Planeten Iris. Ceres 

 und PaUas. Astr. Nachr., Kiel, 165, 



1904, (301-364). [5960]. 583'.i 



V. Palisa, Johann. 



Holzmuller, [Gustav]. Die Zentrilu 

 galkriifte und ihre Anwenduiig in der 

 kosuiischen und technischen Mechauik. 

 Berlin, Zs. Ver. D. Ing., 47, 1903, (1633- 

 1638, 1706-1710). [1000] 5840 



Homen, Th[eodor]. Beitrage zur 

 Kenntnis der Wiirmehaushaltung in dei 

 Natur. Helsingfors, C--R. Cong. Nat. 

 Med. Nord, 1902, 1903, II Section, (69j. 

 [5100]. 5841 



Horn, Guido. Definitive Bahnliestini- 

 luung des Kometen 1889 IV. Wien, 

 Denksehr. Ak. Wiss., 74, 1904, (265- 

 3.35). [1130 6600]. ,5842 



Hosmer, (1. L. The figure of tlie 

 earth from pendulum observations made 

 ill Greenland in 1896 and in Sumatra in 

 1901 by e.xjiedjtions from the Mas^-a- 

 chusetts Institute; of Technology. Tecli. 

 Q. and Proc. Soc. Arts, Boston, Mass., 

 16, 1903, (60-63). [5050 5100]. 5813 



Hough, G[eorge] W[ashington]. On 

 the physical constitution of the planet 

 Jupiter. (.\ddress by vice-president 

 ai'd chairman of section A for 1902). 

 Proc. Amer. Ass. Adv. Sci. Washington, 

 D.C., 52, 1903, (327-346); Science, 



New Vurk, N.Y., (N. .Ser. , 17, 1903, 

 '81-92J. [0040 6000]. ' 5844 



Hough, G[eorge] W[ashinglon]. The 

 rotation period of the planet Saturn. 

 London, Mon. Not. R. Astr. Soc, 64, 

 1904, (550-55.3). [6140]. 5845 



On the determination of 



longitude on the plauet Jupiter. Lon- 

 don, Mon. Not. R. Astr. Soc, 64, 1904, 

 (824-834;. [6040]. 5846 



Hough, S. S. On the determination 

 of the division errors of a graduated 

 circle, London, Mon. Not. R. Astr. Soc, 

 64.1904,(461-487). [3220]. 5847 



Hollis, H[enrv] P[ark]. Captain 

 Noble. ObservatoiT, London, 27, 1904, 

 (298-300); Engl. Mech., London, 79, 

 1904, (600). [0010]. 5848 



• The Universal Time Sys- 

 tem. Observatory, London, 27, 1904, 

 (404-405). [9410]. 5849 



Huber, G[ottlieb]. Der Astronom 

 TvchoBrahe (1546-1601). Bern (K.J. 

 Wyss), 1902, (28. mit 4 Abb.). 8vo. 

 [0010]. 5850 



Huber, M. T. Pomiar ziemi. [Com- 

 ment a-t-on mesure la Terre.] Wszech- 

 swiat, Warszawa, 22, 1903, (481^87, 

 500-507). [1610], 5851 



Hudson, T. Charlton r. Sprigge, John 

 Abner. 



fluU, G. K. r. Nichols, E[rnest] F[ox]. 



Hultsch, Friedrich. Eudoxos von 

 Kiiidu>. Weltall, Berlin, 4, 1904, (208- 

 214j. [0010]. 5852 



Hussey, William J[oseph], Parallax 

 of the binary svstem 5 Equulei. Ber- 

 kelev. Lick O'bs., Univ. Cal., Bull., 

 No. 32, 1903, (30-31). Astroph. J.. 

 Chicago, 111., 17, 1903, (378-381). [8600 

 7530 8630]. 5853 



Second series of observa- 

 tions of the satellites of Saturn. 

 Berkelev, Lick Obs., Univ. Cal., 

 Bull., No. 34, ri903], (34-45). [6560]. 



5854 



Observations of a selected 



list of Otto Struve double stars. 

 Berkelev, Lick Obs., Univ. Cal., 

 Bull., No. 40, [1903], (73-77). [7510]. 



5855 



Observations of miscel- 



laneous double stars. Berkelev, Lick 

 Obs.. Univ. Cal., Bull.. No. 44,"[1903]. 

 (115-123^ [7510]. 5S5G 



