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llc'cqiiDrcI lias ohMM-vi'd ini'm-rcd lines ;it .s70(), IICIO, In0:;i), lo;:i'.>, iind l()!>M) in 

 l!ic Arc Siicctruiii of Strontiimi. 



On llic Coii'iiccfion hftfcou Sn uf^iiots and Tcrrc.'^fr/al Phenomena.^ 

 Bil i'rofi'Sriiu- StiR-sri;i;. F.R.S. 



[A f'.)iiiniunic:itiijn ordeivil l>y flic (ifiiorul ConimittcL' to bo [)i'iiUC(l /// cvfriisn 



iUiioiiLf lijc lU'piirl.-.] 



fi'LATKSl.-Tir.] 



Till: very remarkable connection ))et\vcen tbo state of tlio solar snrfaco 

 ^md magnetic phenomena on the earth has naturally sugc^csted the (]n'j>- 

 tiou whether other meteorological jihenomcna show a similar relationsliip, 

 The older speculations which date back alm^" 'o the discovery of sun- 

 spots were revived, and an opportunity was once more given to the 

 meteoi'ologists to prove the often questioned utility of their long-con- 

 tinued series of thermometer and barometer readings. They have raiuli' 

 use of this opportunity, and wc shall see what the result of their labours 

 has been. 



It may bo well to state at once what, in my opinion, wo are and wLat 

 Ave are not to discuss to-day. Wo have not come here to discus.s the 

 io priori probability of a connection between sunsi)ots and the weather, 

 cv, as it is often eri'oncously expi-essed, an intluence of sunspots on the 

 weather. The only question bsfore us is the proof or disproof of such a 



' This paper was read in order U> initiate a special discussion on tlie Conncctii'i 

 ■of Sunsjiots with Torrestri:il J'lienomena, on the mornin<,'- of ]Moiiday, September 1 

 The following paper by Professor 0. J. I-odfire initiated Ji sinular discussion on 

 Friday, August I'D, on the Scat of the Electromotive I'orcc in the Voltaic Cell. 



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