350 



Astronomie und Geodäsie. 



Inhalt: Chronik des Congresses. — Königsberger, L., C. G. J. Jacobi. — Painleve, P., 

 Le probleme moderne de l'intägration des öquations differentielles. — Greenhill, A. G., Mathe- 

 matical theory of the top considered historically. — Segre, C, La geometria d'oggidi e i suoi le- 

 gami coll'analisi. — W i r t i n g e r , W., Riemanns Vorlesungen über die hypergeometrische Reihe u. 

 ihre Bedeutung. — Vorträge in den Sectionssitzungen. — Die Litteratur- u. Modellausstellung. 



Verhandlungen des 1. internal. Mathematiker-Congresses, Zürich 1897. Leipzig 1898. 316 pg. m. 

 1 color. Tafel. Leinenbd. M. 12.80. — 2. Congres des Mathematiciens, Paris 1900. Paris 1902. 

 456 pg. av. flg. M. 15. 



5108 Well, G. J. van de, Oplossingen der wiskundige Opgaven van Examen B der 

 Polytechnische School te Delft; raet nieuwe Opgaven. Deel l: Vraagstukken over 

 B \. 2. druk. Deventer 1905. 8. 185 pg. Mark 6so 



5109 Wildervanck, J. C, De verschillende Krommingen eener gewrongen Kromme der 

 vierdimensionale Ruimte. Groningen 190 4. 8. 62 pg. 2so 



5110 Zaremba, S., Solution generale du probleme de Fourier. (Cracovie, Bull, intern. 

 Acad.) 1905. gr. in-8. 100 pg. 3 



Astronomie und Geodäsie. 



5111 Cambridge, Mass. — Annais of the Astronomical Observatory of Harvard College. 

 E. C. Pickering, Director. Volume 56. No. II. Cambridge 1904. 4. pg. 27— 37. 1fio 



Cont. : P i c k e r i n g , E. C, Stars having spectra of class B. 

 Vol. 56. No. I. with 2 plates. M. 3.50. 



5112 The same. Volume 58. Part I: Observations and investigations made at the 

 Blue Hill Meteorological Observatory, Mass., under the direction of A. L.Rot ch. 

 Cambridge 1904. 4. 62 pg. with 11 figures. 6 



Cont.: Clayton, H. H., Diurnal and annual periods of Temperature, Humidity and Wind- 

 velocity up to 4 kilometres in free air at Blue Hill. 



5113 — Circulars of the Harvard College Observatory. Edited by E. C. Pickering. 

 Nos. 86—92. Cambridge, September— December 1904. 4. 19 pg. Each number 1 



Cont.: Pickering, E. C, Nebula of Orion: new Algol Variable; 9. Satellite of Saturn and 

 new Variable in Hercules; 105 new variable Stars in Scorpius ; November Meteors of 1904; 16 new 

 variable Stars in Sagittarius ; Stars having peculiar spectra. 



5114 — 59. annual Report of the Director (E. C. Pickering) of the Astronomical 

 Observatory of Harvard College for the year ending September 30, 1904. Cam- 

 bridge 1904. 8. 14 pg. 1 



5115 Flammarlon, C, Astronomie populaire. Description generale du Ciel. Nouvelle 

 edition. Paris 1905. gr. in-8. 840 pg. av. cartes, planches et 386 figures. 10 



5116 Hall, A., Determination of the Aberration Constant from Zenith Distances of 

 Polaris, measured with the Walker Meridian Circle. Ann Arbor (Rep. Mich. 

 Acad. Sc.) 1904. 8. 54 pg. 4 



5117 Hartmann, 0., Astronomische Erdkunde. Stuttgart 1905. 8. 5 u. 51 pg. 0so 



5118 HoletSChek, J., Untersuchungen über die Grösse und Helligkeit der Kometen 

 und ihrer Schweife. Theilll: Die Kometen von 1762 bis 1799. Wien (Denkschr. 

 Akad.) 1905. 4. 107 pg. 630 



Theil I (Kometen b. z. J. 1760). 1896. 258 pg. M. 720. 



5119 Newcomb, S., Populäre Astronomie. Deutsch von R. Engel mann. 3. Auflage, her- 

 ausgegeben von H. C. Vogel. Leipzig 1905. gr. 8. m. 12 Tafeln u. Figuren. 15 



5120 Niessl, G. V., Bahnbestimmung des Meteors vom 2. November 1903. Wien 

 (Sitzungsb. Akad.) 1905. gr. 8. 39 pg. 1 



5121 Pickering, E. C, A new Algol Variable. — 15<> 4905. (Cambridge, Mass., Circ. 

 Harv. Coli. Observ.) 1904. 4. 3 pg. 1 



5122 — The November Meteors of 1904. (Cambridge, Mass., Circ. Harv. Coli. Observ.) 

 1904. 4. 3 pg. 1 



5123 — The Nebula of Orion. (Cambridge, Mass., Circ. Harv. Coli. Observ.) 1904. 

 4. 3 pg. 1 



512 4 — The Ninth Satellite of Saturn. A new Variable in Hercules. (Cambridge, 

 Mass., Circ. Harv. Coli. Observ.) 1904. 4. 2 pg. 1 



5125 — 105 new Variable Stars in Scorpius. (Cambridge, Mass., Circ. Harv. Coli. 

 Observ.) 1904. 4. 4 pg. 1 



5126 — Stars having peculiar Spectra. (Cambridge, Mass., Circ. Harv. Coli. Observ.) 

 1904. 4. 3 pg. 1 



5127 — Stars having Spectra of Class B. (Cambridge, Mass., Ann. Harv. Coli. Observ.) 

 1904. 4. 1 1 pg. 1*o 



Naturae Novitates. Jahrg. XXVII, No. 12. R. Friedländer & Sohn in Berlin. 



