[ 204 ] 
I have been informed, is one of the uppermoft row of 
cabbins, and is reckoned the cooleft and moft airy part 
of the fhip. From February 1 3. to April 7. between 
Madras and the Southern tropic, the thermometer was 
conftantly between 77° and 86°, and very feldom lower 
than 80°. From thence to April 23, lat. 34° i 2', about 
1 5° E. of the Cape of Good Hope, between 70° and 80°. 
From thence to May 20, at St. Helena, between 62° and 
72°. Thence to Augull 2. in lat. 43° 14' N. between 
71° and 80°; and from thence to Auguft 1 5, in the Eri- 
tidi Channel, between 62° and 70°. At land it is well 
known, that the heat is ufually conliderably greater in 
the middle of the day than in the morning or night ; 
but it appears from thefe obfervations, that in the open 
fea, there is fcarce any fenlible difference ; for in fettled 
weather, the difference between the different times of 
the day was rarely more than 1°, oftener none at all. 
In unfettled weather there was frequently a difference 
of 2°, fometimes 4°, fcarce ever more; but then there 
feems no connexion between this difference and the time 
of the day, it being as often colder in the middle of the 
day than in the morning or evening, as warmer. There 
is added a regifter of the thermometer, in the foldiers 
barracks at Allahabad, on June 8, 1769, when from 10 
in the morning to 8 in the afternoon it flood conftantly 
above 100°, in the hotteft part of the day at 107°, and 
during the whole night between 99° and 98°. 
Sir Robert Barker, at my requeft, has been fo good as 
to add the following account of the general ftate of the 
weather in Bengal. 
I 
THE 
