ASTRONOMY. 165 



Astronomy (Progress of). 



Klkin (II. J.): Die Fortschritte der Astronomie, 188G. 112 p. 12mo. Leipzig, 



1887. 

 [Swift (L.)J : Astrouomical phenomena and progress [in 1885]. Appletou's 



Ann. Cyc, n. s., 10: 47-56. 

 WiNLOCK (W. C): An account of the progress in astronomy in the year 1885. 



114 p. 8vo. Washington, 1886 (M. 3) 



Repr.from: Smithsonian Eeport for 1885. 

 Young (C. A.) : Ten years' progress in astronomy. 1876-1886. 32 p. 12nio. New- 

 York, 1886. 

 Repr.from: Trans. N. Y.Acad. Sc, 5. 



Astronomy (Spherical and Practical). 



Urinkley (B.): Astronomy: . . . additional chapters by J. W. Stubbs and F. 



Briiuuow. 3. ed. eul. 350 p. 8vo. London, 1886 (M. 6.30) 



ISKAEL-HoLTZWAKT (K.) : Elemente der theoretischen Astronomie. il. 8vo. 



Wiesbaden, 1886 (M. 25) 



Meruifield (J.) : A treatise on nautical astronomy for the use of students, 364 



p. 8vo. London, 1886 (M. 7.80) 



Bonn Observatory. 



AsTROXOMisciiE Beobachtungen auf der Sternwarto . . . zu Bonn. Hrsg. vou 

 E. Schonfeld. 8. Bd. Bonner Sternverzeichniss. 4. Section. 56 -f- 459 p. 4to. 



Bonn, 1886 (M.20) 



BoNTv'ER Sternkarten. 2. Serie. Atlas der Himmolszoue zwischeu 1° und 23° 

 siidlicher Declination fiir den Anfang des Jahres 1855 . . . bearbeitet von E. 

 Schonfeld. I. und II. Lieferungen. 4 p. 12 maps. fol. Bonn, 1886. 

 Vollstandig in 4 Lieferungen, 24 Sternkarten. Jede Lieferung, M. 12. 

 Bordeaux Observatory. 



Anxales de I'observatoire de Bordeaux, publides par G. Rayot. Tome 1. 119 + 



2lsp. 4to. Paris and Bordeaux, 1885 (M.25.50) 



Calendar. 



FoRSTEii (W. J.) and Lehmann (P.) : Die veriiuderlicheu Tafeln des astronorai- 

 schenund chronologischenTheilesdesk. preussischen Normalkalenders fiir 1887, 



119 p. Bvo. Berlin, 1886 (M. 



Fritche (H.) : Chronology and the caustrnction of the caleudr^r. Chinese com- 

 putation of time. 92 p. 8vo. St. Petersburg, 1886. 

 Cape of Good Hope Observatory. 



Annals of the Royal Observatory . . . Vol.2, pt. 1. Observations of the great 

 comet, 1882, II, 25 p., 4 pi., 6 phot. 4to. u. p. [1886.] 

 Chronograph. 



Hough (G.W.) : Descrij)tiou of a printing chronograph, il. Sid. Mess., 5: 161- 

 167. 

 Chronometers. 



[IT. S. Naval] Observatory temperature room, and competitive trials of chro- 

 nometers in 1884 and 1886. 35 p, 9 pi. 4to. Washington, 1886. 

 Ciicle-di visions. See, also, Meridian circle; Pulkowa. 



ScmiEiBER (0.) : Uutersuchung von Kroistheilnngeu mit zwei und vier Mikro- 

 skopen. Ztschr. f. In8trmkud.,6 : 1.47. 

 Clocks. 



BucKNEY (T.) : Superiority of zinc and steel pendulums. Month. Not., 46 : 462- 



469. 

 HiLFiKER(J.) Ueber den Gang der Winnerl'scheu Pendelnhr dor Stonnvarte 

 zu Ncuchatel. Astron. Nachr., 114 : 391. 



Sur la marcho de la pondulo astronomique Winnerl de I'observatoire de 



Neuchatel. 11 p. 12mo. Nenchatol, 1886. 

 Bepr. from Bull, soc. d. ac.uat d. Neuchatel 15: 21-32. 



