148 PHILOSOPHICAL TRANSACTIONS. [aNNO 1737. 



true time of the total immersion of the moon's body into the shadow, M'' 2" 

 25* ; consequently the difference of longitude between London and North-Bear- 

 Island in Hudson's Bay, is 5*" IQ™ 25% or 79° 5l'. 



A Solar Eclipse observed at London, Sept. 23, 1736. By J. Bevis, M. D. 



N° 446, p. 98. 



4'' 45™ 31' Beginning of the eclipse. 



Observations of the Occultation of Mars by the Moon, Oct. 7, 1736. 



N''446, p. 100. 



1 . By Mr. Geo. Graham, F. R. S. in Fleet-street, London, with a refracting 



telescope of 12 feet. 



The first contact could not be seen for clouds. 

 Apparent Time. 

 At 14*' 24*" 44' Mars appeared about half covered. 



14 25 21 Mars totally covered. 



15 11 22 The moon appeared, but Mars was not seen, no part being 



yet emerged. 

 15 15 11 Judged it was quite emerged, but clouds prevented the 

 moon's limb from being distinctly seen. 



2. In Covent-Garden, by J. Bevis, M. D. p. 101. 

 Before the eclipse, he took several differences of right ascension and declina- 

 tion between <5 and i* Piscium, for ascertaining the true place of Mars : as 

 also several differences of right ascension and declination between the moon 

 and Mars, before and after the eclipse. 

 Apparent Time. 



14*> 24™ 10" He was surprised to see Mars continue quite round, though 



hardly, to appearance, disjoined from the scabrous edge of the 



moon ; but that instant he thought it began to lose its figure. 



15 14 46 The moon being just clear of a cloud, saw Mars partly emerged. 



15 14 49 He seemed just half out ; then clouds came on again, so that the 



final contact was not seen. 



Observations of the Transit of Mercury over the Sun, Oct. 31, 1736. 



N° 446, p. 102. 



1. By Mr. George Graham, F.R.S. in Fleet-street, London, p. 102. 



Apparent Time. 



At 9*^ 22™ 00* Mercury not yet seen, then clouds. 



