276 Mr. Bowditch on the total eclipse, June 16, 1806. 
Hence the conjunction at Salem by the mean of the four observa- 
tions made there was at 114. 37’ 13”°1 A. M. apparent time, which 
differs but a fraction of a second from that found in page 28 of my 
former memoir; and as all the American observations would be aifect- 
ed in nearly the same way, it was thought unnecessary to recalculate 
them on account of the small variations arising from the use of these 
new tables. Subtracting 53” from this time leaves the apparent time 
of the conjunction at Cambridge 114. 36’ 201. La Lande, by the. 
mean of several observations made in Europe, found the conjunction 
at Paris to be at 44. 30’ 6” apparent time, as appears by the account 
of this eclipse published in his history of Astronomy for 1806, and in 
the Connoisance du Tems. The difference between these times of 
conjunction decreased by 9’ 21” gives the difference of meridians of 
Greenwich and Cambridge 4/, 44’ 24’-9 used in the former part of 
this memoir. : 7 
The ecliptic conjunction at Paris 44. 30’ 6”, to 4h. 
20’ 50”°5 mean time at Greenwich. At this time, by the above ele- 
ments, the sun’s longitude was 84° 44 38”*4, the moon’s longitude 
84° 45’ 05:5, the moon’s latitude 19° 17"°2 N. Hence if the sun’s 
longitude be given correctly by Delambre’s new tables, the error of 
Burg’s tables in the longitude of the moon at that time was—27'1, 
and as the moon’s true latitude was 19’ 19’*3, by page 28 of my for- 
mer memoir, the error of Burg’s tables in latitude was + 21. . 
If from the ‘times of conjunction calculated in pages 30, 31, and 
$2 of my former memoir, be subtracted the equation of time used 
there 6"*7, the remainder will be the apparent times of conjunction at 
those places, which subtracted from the apparent time of conjunction 
at Greenwich 4h. 20 45”, will give the corrected longitudes counted 
from the meridian of that Observatory. The effect of this operation 
