C 591 ] 
APPENDIX. 
V 
"* « \ 
O UR late much refpe£ted Colleague, Major-General Roy, 
having finifhed, in September 1788, the trigonometrical 
meafurement defcribed in the firft Part of this Volume, re- 
turned to London in a very indifferent Rate of health. From 
this time he employed all the leifure that his illnefs, and his 
various official avocations, allowed, in preparing the account 
of his operations, to be laid before the Roj^al Society. But 
toward the autumn of 1789 his infirmities encreafed fo much, 
that the medical Gentlemen he confulted advifed him to fpend 
the following winter at Liibon, for which place he accordingly 
embarked in the beginning of November. Previous to this, 
however, he finifhed the firft Copy of his Paper ; but it was 
much hurried toward the latter part, and not rendered fo per- 
fect as the General would undoubtedly have made it with more 
time and better health. He returned to England in April 
1790, and the Paper was fent to the prefs before the end of the 
fame month. Unfortunately the General did not live to fee the 
printing quite completed ; he corrected, indeed, all the Iheets 
except the three laft ; but without comparing his manufcript 
copy with the original papers and obfervations. Several errors 
which had been difcovered in the courfe of the printing, toge- 
ther 
