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XLIIL Part of a Letter from W. Watfon, 
M* D . F. R. S. to John Hu x ham, 
M. D . F. R. S. at Plymouth, giving 
fo?ne Account of the late Cold TFeather » 
Dated London, 14 February, 1767. 
Dear Sir, 
R e nd Nov. 19,^-p H I S waits upon you to inform you 
_ °t the degree of cold we have 
lately expeiienced. After as mild a winter as has 
been known here for many years, the froft has been 
intenfe k Until the latter end of December, many of 
the tender annual exotic plants continued alive j fuch 
as the African Marygold, Nafturtium Indicum, and 
others ol this clafs. I faw even the plant, ulually 
called Balm of Gilead, at that time flourifhing with- 
out flielter. Mr. Miller of Chelfea, with whom I 
talked upon this fubjedl, informed me, that be 
had known the like but twice in his life j and that 
was in the years 1717 and 1722. However, at the 
beginning ot lafl month, January, after fome frjiart 
gufts of wind at Eaft, it began to freeze ; and con- 
tinued increafmg, until the fifth of that month, in the 
morning, my thermometer, an excellent one made by 
Mr. Bird, hood in the open air fomewhat under 20", 
in the evening it was 29A It continued thereabouts 
to the ninth, when in the morning it hood at zo v 
again, and at night at 2i /r . On the tenth in the 
morning it flood at 17", at night at 18". From this 
time to the eighteenth it was never below 23", but 
F 1 1 2 frequently 
