ON ATMOSPHERIC WAVES. 
365 
Table IX. 
Barometric fall from the apex of Nov. 12,13, to 9 a.m. of the 17th, the mean 
epoch of the termination of the great wave. 
Station. 
Fall. 
Station. 
Pall. 
Station. 
Fall. 
Stornoway.... 
Largs. 
Orkneys. 
St. Vigean's . . 
^imerick .... 
Galway. 
Appleganh ... 
Makerstoun .. 
Eng. in. 
1-C8 
l-OO 
•95 
•90 
■89 
•86 
•86 
•86 
Bowness. 
Newcastle .... 
Hobbs' Point.. 
1 Stokesley .... 
Brecon. 
Helstoue .... 
Gloucester.. .. 
Boston . 
Ed(;. in. 
•75 
•74 
•70 
•65 
•64 
■64 
•58 
•56 
Cirencester ... 
Nottinghanj .. 
. Weston. 
London . 
1 Ramsgate .... 
Jersey. 
Eng. in. 
•55 
•48 
•46 
•45 
•40 
•31 
From these numbers it appears that (lie fall at the Western Isles was more 
than three times as great as the fall at Jerw-y. 
This table brings clearly before us the locality of greatest range, namely 
the north-west, a I'esult perfectly in accordance with tliose of previous inves¬ 
tigations. It appears that sufficient attention has not been given to this 
subject. Table X. exhibits the barometric ranges from the anterior trough 
Table X. 
Barometric Kanges from the Anterior Trough to the first and second Summits 
of the Great Symmetrical Wave of November 1846. 
Station. 
Itisc. 
Time. 
Remarks. 
Stornoway.. 
Eng. In. 
1*070 
d h 
10 18* 
Orkneys.. . , 
•970 
11 3* 
Co-ordinates measured from 
Limerick . 
•920 
10 0 
anterior trough to the summit 
Largs. 
•850 
10 12 
of the second crest, the highest 
St. Vigean’s . 
•830 
9 21 
in these observations. 
Galway. 
•780 
10 12 
Applegarth . 
•760 
9 12 
Makerstoun . 
•782 
7 14 
Newcastle. 
•713 
7 12 
Bowuess... 
•700 
7 12 
Gloucester. 
•640 
7 12 
Hobbs’ Point. 
•628 
7 6 
Co-ordinates measured from 
Brecon . 
•620 
7 Ifi 
Helstone . 
•619 
7 6 
anterior trough to the summit 
Cirencester. 
•582 
7 S 
of the first crest, the highest in 
Nottingham ...... 
•565 
7 9 
these observations. 
London. 
•523 
7 4 
W’eston. 
•500 
7 6 
Ramsgate. 
•480 
7 12 
Jersey . 
•381 
7 0 
• The anterior trough at these stations b estimated to have passed on Nov. Ist, the mini- 
mum of the 1st being conuderably l he lowest at the Orkneys. At all the other stations the 
miniinum of the 2nd has been regarded as the commencement of the great wave. 
