199 



" (@. 128.) Äupffet, Voyage au Mont Elbruz dans 

 le Caucase 1829 p. 108: »Les deviations irregulieres se rep^- 

 tent souvent ä la meme heure et peudant plusieurs jours con- 

 s^culifs.a 



" (@. 129.) ©ttbine, Unusual Disturb. Vol. I. P. 1. 

 p. XXI, unb 5?i>un9^u0brtnb on periodical Laws in the 

 1 arg er Magnetic Disiurbances in bett Phil. Tr. tor 1853 

 P. I. p. 173. 



" (@. 129.) ©abine in ben Phil. Tr. for 1831 P. 1. p. 125 

 bi(J 127: wThe diurnal Variation observed is in fact consliluted 

 by two variations superjwsed upon each olher, having different 

 laws and bearing diflereiit proportions lo each olher in diflerenl 

 parls of the globe. AI tropica! stalions the influence of what 

 have been hilherlo calied the irregulär disturbances Ci^t^ynetic 

 »tormsj, is comparatively feeble; but it is otherwise at stations 

 situated as are Toronto (Canada) and Hobarton (Van Diemen- 

 Island), where Iheir influence is bolh really and proporlionally 

 greater, and amounts to a clearly recognizable pari of Ihe whole 

 diurnal Variation.« So fünbet i)iex in ber jurammengeff^ten SBir^ 

 fung flleidjjeitiger, aber »erfc^icbener SBewegungö^Urfac^en baffelbe 

 fltttt, wai »on ^oiJTon fo fc^ön in ber ^^eorie ber 20 eilen ent^ 

 TOtrfelt ift (Annales de Chimie et de Physique T. VII. 

 1817 p. 293): »Plusieurs sorles d'ondes peuvenl se croiser dans 

 l'eau comrae dans l'air; les pelits mouvemenls se superposent.a 

 93ergl. gamont'^ SSermnt^ungen über bie jufammengefe^te SBirfung 

 einer <poUr-- unb einer 2(eqnatorial:2Öelle in ^poggenb. 

 9lnn«len 95b. 84. @. 583. 



" (@. 130.) @. oben ®. 87 mm. 69. 



" C®. 130.) ©abine in ben Phil. Tr. for 1852 P. II. p. 110. 

 (3)oungljuöbanb a. a. O. p. 169.) 



" (@. 131.) Tiad} 2ttmont unb 5Hel^l)uber ifi bie magnetifd>e 

 q)eriobe 1OV3 3tt^re: fo ta^ bie ®röpc bti gj?itte(£^ ber röglic^en 

 JRenjegung ber ^jubel 5 3a^re t)inburd> ju^ unb 5 ^atfre l)inb\\r<i) 

 abnimmt, roobei bie rointerlid^e 93en)egung (amplitudo ber 9(bn)ei-- 

 d?nng) immerfort faft boppelt fo fd)n)a(^ al^ bie ber Sommermonate 

 ift. (SSergl. Samont, 3al)re^berid)t ber Sternwarte ju 

 «Wünc^en für 1852 @. 54— 60.) I^er 2)irector ber »erner ©tern^ 

 »artf, .^err JHubolptj ffiolf, finbet tuvd) eine »iel umfajTenbere 



