Terrestrial Atmosphere. 



194 



5400 



[In: Festschrift L. Boltzniaiin o-ewidmet.] 

 Leipzig (J. A. liartli), 1904, (410^421). 



Krebs, Wilhelm. Auffallende Szin- 

 tillationserscheinung am Sonnemande. 

 Weltall, Berlin, 5, 1905, (157j. 



IJngewohnlich starke Szin- 



tillationen des Sounenrandes. Beobaclitet 

 zu Grossflottbeck in Holstein. Weltall, 

 Berlin, 5, 1905, (255-258). 



Aurora, 



Allen, 0. A. Auroral baud, Liucdln, 

 111. Pop. Astr., Northfield, Miun., 12, 

 1904, (65). 



Archenhold, F. S. Glockeninschrift 

 iiber den Kometen von 1618 und Nord- 

 lichter in Bemau. Weltall, Berlin, 4, 

 1904, (325-326). 



Campbell, Frederick. A remarkable 

 [auroral] phenomenon. Pop. Astr., North- 

 held, Minn., 11, 1903, (484-486). 



Clayton, Henry Helm. The 27-daY 

 period in auroras and its connection with 

 sun-spots. Science, New York, X.Y., 

 (N. Ser.), 18, 1903, (632). 



Coit, Judson B. The aurora of August 2 1 , 

 1903. Pop. Astr., Northfield, Minn., 11, 

 1903, (534-536). 



Decombe, L. L'energie et ses trans- 

 formations dans le laboratoire et dans 

 la nature. — Les nieteores electriques. 

 [Xordlicht.] Miilhausen, Bui. Soc. iud., 

 79, 1903, (299-314). 



Jensen, Ch. Polarlicht am 31. Oktober 

 1903 iu Schleswig - Holstein. Ann. 



Hydrogr., Berlin, 32, 1904, (435-436). 



Mitchell, Walter M. The auroral 

 phenomenon of August 21, 1903, [described 

 by F. Campbell]. Pop. Astr., Northfield, 

 Minn., 11, 1903, (541-542). 



Plassmann, J[oseph]. Nachtrage zu 

 den im Heft 11-12 des vorigen Jahrganges 

 enthaltenen Mitteilungen iiber das Nord- 

 licht vom 31. Oktober 1903. Mitt. Ver. 

 Astr., Berlin, 14, 1904, (5-6). 



Runge, C. On the spectrum of the 

 aurora. Astroph. J., Chicago, 111., 18, 

 1903, (381-38--'). 



Stewart, D. L. Auroral band. Pop. 

 Astr., Northfield, Minn., 12, 1904, (65). 



Veeder, M. A. Suggested explanation 

 of the phenomenon observed by Eev. 

 Campbell. Pop. Astr., Northfield, Minn., 

 11, 1903, (486-488). 



Veeder, M. A. Magne-crystallic action 

 and the aurora. I'op. Astr., Northfield, 

 Minn., 12, 1904, (182-184). 



"Westman, J[onas]. Aurores boreales. 

 Observations et luesures de I'aurore boreale 

 faites en 1899 et en 1900 a la bale de 

 Treurenberg, Spitzberg. (Missions scientif . 

 p. 1. mesure d'un arc de meridien au Spitz- 

 berg . . . 1899-1902 . . . Mission 

 suedoise. 2:7c.) Stockholm, 1904, (114, 

 av. pi.). 31 cm. 



Apparent Magnification on 

 Horizon. 



Jouffray, A. Ch. Sui- I'agrandissement 

 des astres a I'horizon. Paris, Bull. Soc. 

 astr. France, 1903, (448-450). 



Mayr, Robert. Die scheinbare Yer- 

 grosserung von Sonne, Mond und Stern- 

 bildern am Horizont. Arch. gas. Physiol., 

 Bonn, 101, 1904, (349-422). 



Eeimann, Eugen. Die scheinbare 

 YergriJsserung der Sonne und des Mondes 

 am Horizont. Zusatze zur (Programm- 

 Abhandhing vom Jahre 1901. Konigliches 

 Gymnasium zu Hirschberg i. Schl. Ostern 

 1903.) Hirschberg (Druck v. R. Brauch), 

 1903, 1-14). 26 cm. 



Die scheinbareYergriisserung 



der Sonne und des Mondes am Horizont. 

 Zs. Psychol., Leipzig, 30, 1902, (1-38, 

 161-195). 



MEECUBT. 

 5600 GENERAL. 



Johnson, S. J. A few notes on the 

 planet Mercury. Liverpool, Rep. Astr. 

 Soc, 1905, (17-18). 



6610 OBSERYATIONS OF 



POSITION OF MERCURY. 



Geeexvvich Royai, Observatoby. 

 Right ascensions and North Polar distances 

 of the centre of Mercury. Greenwich 

 Obsns., 1902, 1904, ([218]', [74]). 



5620 CONSTANTS, DIMENSIONS, 

 DIAMETER AND FIGURE, MASS 

 AND DENSITY OF MERCURY. 



Greenwich Royal Observatory. 

 Sidereal times occupied by the transit of 

 the diameter of MerciuT, corrected for defect 



