8 LITERATURE OF THE SPECTROSCOPE. 



Barnard, E. E. {Cont'd). The Great Photographic Nebula of Orion. 

 A. and A. (1894)811-814. 



and Ranyard, A . C. Structure of the Milky Way. Knowl- 

 edge 17 (1894) 253. 



. The new Merope Nebula. Astron. Nachr. 139 (1895) 



41-43- 



. New planetary nebula. Astron. Nachr. 139(1895)43. 



. Photograph of the Nebula N. G. C. 1499, near the star 



i Persei. Astrophys. J. 2 (1895) 350. 



. Variable nebulas (abbre v.). Mon. Not. 55 (1895) 442-453. 



. Great photographic nebula in Scorpio. Mon. Not. 55 



(1895) 453-456- 



Extended nebulosity about 15 Honocerotis. Mon. Not. 



55 (1895) 63- 



Invisibility of Hind's Variable Nebula. Mon. Not. 56 



(1895)66. 

 . Micrometrical observations of Uranus. Astron. J. 16 



(1896) 73-78. 

 . Micrometrical measures of the annular nebula of Lvra. 



Astron. Nachr. 140 (1896) 283-285. 

 . Micrometrical observations of Saturn. Mon. Not. 56 



(1896) 163. 

 . Physical observations of Venus. Astrophys. J. 5 (1897) 



299-304. 

 . Observations of the Leonid Meteors of 1898. Astroph. 



J. (1899) 151. 

 Barone, G. Les Bielides. Bull. Soc. Belg. d'Astron. 2 (1897) 207-209. 

 Bartoli, A. Potenza chimica delle radiazioni solari. Bol. Accad. 



Catania 15 (1890) 5 pp.; Beibl. (1891) 418. 

 ed Stracciati, E. Formola relativa all' assorbimento della 



radiazzioni solari attraverso 1' atmosfera. Atti Accad. Catania 



4 (1892) 14 pp.; Nuov. Cim. 31 (1892) 193-208; Beibl. (1893) 



447- 

 . Suir assorbimento delle radiazzioni solari dalla nebbia e 



dai cirri. Nuov. Cim. 36 (1894) 287-297. 

 . Sulla transmissibilita delle radiazzioni solari attraversa 1' 



atmosfera carica di cenere vulcania nell 'eruzione dell' Etna del 



1892. Atti Accad. Catania (4) 7 (1894) 6 pp.; Riv. Sci. ind. 



(1894) 141-147. 

 Barns, C. Trial of the Interferential Induction Balance. Amer. J. 



Sci. (4) 3 (1897) 107-117. 



