626 uci enaiae Obfervations 
alledged « of: an Pere of ice to the soa % 
I have ‘therefore endeavoured to collate - one 
which was only begun in May laft, with one 
kept by the Rev. Dr. Burgefs, of Kirkmichael, 
about eight miles north-eaft of this town, from 
the year 1773 to 1776. I have confined my- 
felf to thofe fubje&s that are generally to be 
met with in every part of the kingdom. From 
my carrying on bufinefs in a town, my oppor- 
tunities for fuch an “undertaking are not fo 
complete as could be wifhed, but in ea : 
hope to be affifted by others, who may be, 
every refpect, better fituated for fuch otel 
vations. 
A Calendar 
* This point has been much difputed. M. De Luc 
fupports the idea here mentioned. He exprefles himfelf 
as follows, One cannot doubt concerning the increafe 
of all the Glaciers of the Alps; their very exiflence is a 
proof, that in preceding ages, the quantity of {now which 
has fallen during the winter, has exceeded the quantity 
melted during the fummer. Now, not only the fame caufe 
ftill fubfifts, but the cold occafioned by the mafs of ice 
already formed, ought to augment it ftill farther, and thence 
more {now ought to fall, and a lefs quantity of it muft 
be melted.” Though this fa& be admitted, it is contended 
by a learned ‘member of this Society, that it by no means 
follows that theré is an annually increafing quantity ; for be- 
fides the heat of the air in fummer, there is another caufe 
which tends to prevent any indefinite augmentation of con- 
gealed 
