182 



Ä^arbie, bie letDfr in Sänge unb 33reite beträdjtlic^ oerfd^iebeu finb. 

 lieber bie B^i^fif^l/ ivelct)e ^tecfer unb ^crbeö in ^Bejug auf bai 

 OiefultiU erl)oben Ijttben, f. Transact. of Ihe Royal Soc. of 

 Edinburgh Vol. XIV. 184() p. 23 — 25. 



" {<B. 95.) 93ei:al. fiaugier unb^Wauvaiöin ben Comptes 

 rendus T. XVI. 1843 p. 1175 unb «rauttiö, Observ. de 

 l'intensite du Magnetisme terrestre en France, en 

 Suisse et en Savoie in ben Annales de Chimie et de 

 Phys. 3'"" Serie T. XVIII. 1846 p. 214; Äreil, Sinftuß 

 ber 3llpen auf bie 3ntenrität in ben Denffdjriften ber 

 2ßiener 2lfab. ber 2Biff., niatl)etn. natunviff. Sl. 93b. I. 1850 

 ®. 265, 279 unb 290. Um fo auffaüenber ifl eö, H^ ein fe^r 

 genauer 58eobad}ter, üuetelet, im 3al)r 1830 bie ^orijontaU3«tfn= 

 fität \)on @enf (1,080) jum gol be 58alme (1,091), ja jum .^ofpii 

 beei l)eil. 93ernf)arb (1,096) mit ber S?i>l)e l)at juneljmen feljert. 

 ^Sergl. ©ir Txunt S8ren)(ter, Treatise on Magn. p. 275. 



'* (®. 95.) Annales de Chimie T. LH. (1805) \ p. 86 

 m 87. 



'^ (©. 95.) ^Irago im Annuaire du Bureau des Lon- 

 gitudes pour 1836 p. 287; Jo^beö itt ben Edinb. Transact. 

 Vol. XIV. (1840) p. 22. 



'* (@. 96.) 5<*J^'<^*P/ Exper, Researches in Electri- 

 city 1851 p. 53 unb 77 § 2881 unb 2981. 



" (@. 96.) gl)ri(tie in ben Philos. Transact. for 1825 

 p. 49. 



'^ (@. 97.) Sabin e on periodical laws ofthe larger 

 magnetic dislurbances in ben Phil. Tr. lor 1851 P. 1. p. 126; 

 berfelbe on the annual Variation of the raagn. Dcclin. in 

 ben Phil. Tr. for 1851 P. II. p. 636. 



" (©. 97.) Observ. made at the magn. and meteor. 

 Obscrvatory at Toronto Vol. I. (1840 — lSi2) p. LXII. 



'" (©. 98.) «Sabine in magn. and meteor. Observa- 

 tions at Ho barton Vol. I. p. LXVIII. »There is also a cor- 

 respondence in the ränge and turning hours of the diurnal Va- 

 riation of the total force at Hobarton and at Toronto, although 

 the Progression is a double one at Toronto and a single one at 

 Hobarton.« 35ie '^dt beö 5D?avimumö ber 3ntenfität ijl: in ^jtobarton 

 5n)ifcf)en 8 unb 9 Ul)r gjiorgenö, unb eben fo um 10 Ubr 9?iorgenö 



