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Sect. X.l 



AND BAROMETRIC CURTES, 



335 



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tion of the views that exist on this head. Our great 

 object here will be to endeavour to mark out such a line 

 cf observation as appears most capable of throwing lights 

 not only on the most important desiderata as connected 

 with storms, but also their connection or non-connection 



with atmospheric waves. We shall accordingly arrange 

 this portion of the instructions under the following 



heads: — D 



Localities ; Maroi 



Preceding 



jf Pressure. 



n 



The most important desiderata apper- 

 taining to the subject of storms, are certainly their origin 

 and termination. Of these initial and terminal points In 



e absolutely know^ nothing, 



if a round form observed \^ 



Judith and Esther, in lat. 



great 



the 



Mr. Seymour on board 

 17° 19' north and long. 52 



o 



( 



CoL Reid's 



65), may be regarded 



as 



the commencement of the Anti 



ugu 



2, 1837. This vessel was the most eastern of those from 

 which observations had been obtained: and it is th 



Lxiw 





absence of contemporaneous observations to the eastward 

 of the 50th meridian that leaves the question as to the 

 origin of the ^^'est Indian revolving storms unsolved. 

 Not one of Mr. Redfield's storm routes extends eastward 

 of the 50th meridian ; this at once marks out, so far as 

 storms are concerned, the entire space included between 

 the 20th and 50th meridians, the equator, and the 60th 

 parallel, as a most suitable area for observations, under par- 

 ticular circumstances hereafter to be noticed, with especial 

 reference either to the commencement or termination of 

 storms, or the prolongation of Mr. Redfield's storm paths. 







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