Knouh'dijc. 



SOLAR SPECTROGRAPHS. By Mons. H. Deslandres, of the Paris Observatory. 



Figs. 1 and 2.— Showing the regions on the disc where the K line is bright. 



Figs. 3 and 4 - The Chronio-phere hevond tlie limb, aud the promiuenoes, as seen on the K line. 



Fig. 1.— 1894, April lUth, Uli. 3Jm., I'aris Jlean Time. 



Flo. 2 —1894. April Uth, lib. 29m., Paris Mean Time. 



Fig. 3.— 1834, April lltli, 21i 22m . Paris Slean Time. 



Fig. 4— 1S04, April 10th, llh. 3m., Paris Mean Time. 



DiVeci Photo Eii'jravii'g Co., 9, li'irusLury Paik, X. 



