[ 27 ] 
it as my requeft to the Society, that they would re- 
commend it to my Lord Macclesfield, Dr. Bradley, 
Mr. Raper, and Mr. Short, and any other gentle- 
men they know propofe to attend carefully to the 
obfervation of the tranfit of Venus, to make as many 
obfervations of the eclipfes of the fatellites as they 
conveniently can, in order to fettle the difference 
of longitude between their, place of obfervation and 
and St. Helena, in the mod exad manner j which is 
of the utmofl importance with refped to the ufe to 
be made of the obfervations of the tranfit of Venus. 
We failed from hence lafl Tuefday ; but the wind 
not holding, returned hither again the next day. 
We are now under way again j but doubt whether 
the wind will ferve for us. I am forry to hear of the 
accident, which befel the Sea-horfe, though they 
came off vidors. I hope it will not flop their voyage; 
for I learn, that if they fail in a fortnight, they may 
fiill be in time. 
I am. 
Your obedient 
humble fervant, 
N. Mafkelyne. 
