4070 



154 



Descriptive Astronomy. 



4070 SPOTS, FACUL.E ATMO- 

 SPHERE, CHROMOSPHERE 

 AND CORONA WITHOUT 

 ECLIPSE. 



Errata in London, Mon. Not. R. Astr. 

 Soc, 63, 1903, (457, 460; ; lb., 64, 1904, 

 (843). 



London, Royal Astroxomicat, Society, 

 Council of. Solar activity in 1904. 

 London, Mon. Not. R. Astr. Soc, 65, 

 1905, (392-393). 



Bigelow, Frank H[agar]. Studies on 

 the circulation of the atmosiiheres of the 

 sun and of the earth. Washington, 

 D.C., U. S. Dept. Agric, Monthly Weath. 

 Rev., 31, (1903), [1904], (459-466, 509- 

 516, with text fig.). 



Bruce, R. E. and Croucli, L. E. 



Observations of sunspots, made at 

 Boston University Observatoiy. Astr. 

 J., Boston, Mass., 22, 1901, (10-11). 



Cortie, A. L. Recent photography of 

 sun-spots. Liverpool, Rep. Astr. Soc, 

 1904, (27-28). 



Eleventh report of the 



section for the obsen'ation of the sun. 

 London, Alem. Brit. Astr. Ass., 13, 1905, 

 (25-64, with pL). 



Dennett, Frank C. The sun during 

 February, March, &c. Engl. Mech., 

 London,' 79, 1904, (99-100, 188, 309, 

 407-408, 503); 80, 1905, (11, 109-110, 

 '205, 320, 405, 522) ; 81, 1905, (9-10). 



The condition of the sun 



during 1904 Engl. Mech., London, 

 SO, 1905, (544). 



Denning, W. F. Sun-spots. Obser- 

 vatory, London, 27, 1904, (162-164). 



Epstein, Th. Die Granulation der 

 Sonne scheinbar, nicht wirklich. Astr. 

 Nachr., Kiel, 164, 1904, (217-218). 



Flammarion, Camille. Les taches du 

 soleil. Elan (!'), (niai), 1903. 



Forel, F. A. Le cercle de Bishop, 

 couroune solaire de 1903. Paris, C.-R. 

 Acad, sci., 137, 1903, (380-382) ; Paris, 

 Bui. soc. astr. France, 1903, (436-437). 



Greenwich, Royal Observatory. 

 Measures of positions and areas of sun- 

 spots and facul<E on photographs taken 

 Tvith the photoheliographs at Greenwich, 

 in India, and in Mauritius, with the 

 deduced heliographic longitudes and 



latitudes, 1901. Greenwich Obsns., 

 1901, 1903, (i-S). 



Greenmch, Royal Observatory. 

 Ledgers of areas and })ositioiis of 

 groups of sun-spots deduced from the 

 measurement of the solar photographs 

 for each day in the year 1901. Green- 

 wich Obsns:, 1901, 1903, (9-12). 



Total projected areas of 



sun-spots and faculae for each day, and 

 mean areas and mean heliographic 

 latitude of sun-spots and faculae for each 

 rotation of the sun and for the year 

 1901. Greenwich Obsns., 1901, 1903, 

 (12-17). 



Mean 



and helio- 



graphic latitudes of sun-spots in the 

 year 1903, deduced from photographs 

 taken at the Royal Observatory, Green- 

 wich, at Dehra Dun (India), and in 

 Mauritius. London, Mon. Not. R. Astr. 

 Soc, 65, 1905, (151-154). 



Guillaume, J. Observations du 

 Soleil faites a I'observatoire de Lyon 

 pendant le premier trimestre de 1903. 

 Paris, C.-R. Acad, sci., 136, 1903, (994- 

 995) . . . pendant le deuxieme 

 trimestre de 1903. lb. 137, 1903, (431- 

 432). 



Le dernier minimum des 



taches du Soleil et remarques au sujet 

 de la loi de zones. Paris, C.-R. Acad, 

 sci., 137, 1903, (898-900). 



Hadden, David E. The solar surface 

 during the past twelve years. A review 

 of sun-spot observations made at Alta, 

 Iowa, from 1890 to 1902. Des Moines, 

 Proc Iowa, Acad. Sci., 10, (1902), 1903, 

 (74-93, with pi.). 



Harkanyi, Bela Baron. Die RoUe 

 der anonialen dispersion in der As- 

 trophysik. (Ungansch) Math. Phys.- 

 L., Budapest, 13, 1904, (143-155). 



Hoppner, J. Ueber eine neue Hypo- 

 these der Entstehung der Sonnenflecken, 

 wodurch auch ihre Periochzitat sich 

 erklart. Rostock i. M. (Hoppner), 

 [1903], (7). 22 cm. 0,50 M. 



Jolinson, S. J. Pre-telescopic sun- 

 spots. London, J. Brit. Astr. Ass., 14, 

 1904, (325-326). 



[Kononovic, A. K.] Observations des 

 taches et des facules solaires faites a 

 I'observatoire d'Odessa depuis Sep- 

 tembre 1894 jusqu' a Juin 1895. 

 Odessa, 1903, (128). 26 cm. 



