230 
side. Such a vacuum would also account for the violent 
rush of the air through the window at the rere of the house. 
On the whole, this phenomenon seems to resemble, or present 
in many points the same conditions as produce a water-spout 
at sea; but I am unwilling to add to the length of this letter 
by forming conjectures as to its cause, or suppositions which 
would account for all I have described. This I leave to bet- 
ter judges, confining myself at present to as accurate a detail 
of the facts as I could collect or procure. 
Believe me, dear Sir, 
Very sincerely yours, 
Danie. Grirrin, M.D. 
The Rev. Charles Graves, F.T.C.D. 
Rev. Humphrey Lloyd and Robert Mallet, Esq., made 
some remarks on the probable causes of some of the pheno- 
mena noticed by Dr. Griffin. 
The Rey. William Reeves, D.D., exhibited an ancient 
deed, written on goat-skin, being a grant of certain lands in 
Islay, from Mac Donnell of the Isles to Brian Vicar Magee. 
Although a Scottish record, it is strictly conformable to the 
rules of Irish orthography and construction, showing that the 
peculiarities which now characterize the Scotch dialect of the 
Gaelic did not exist in 1408, the date of this instrument. 
The following copy has been carefully made, and a literal 
translation appended. 
Cn aim Oe Cmen. 
Acaimpe mac Oormnaill ag bponnag 7 cabaine én thangs 
o0e5 50 Leié Opeapann uam pfein 7 om 01§m1b vo Ohpian bicaine 
Mhagao0d 7 da o1gM1b na diag Fo Pontuise putdin, an pon a 
deigpemnbipe Dam pprem asap vom ataip pomam ; 7 fo aip 
écunnnas j an Ccoimpioll 50 cceabpaid pe fem asap iaopan 
oampa 7 vom o1gMb am dias 50 bladanamail ceitpe ba ton- 
