[ 252 3 
ExtraB of a French Letter, tranfmitted to' 
his Excellency James Porter, Efq-, by the 
Englifti Conful at Aleppo. 
Sina, Dec. 14, 1754. 
T Have determin’d, with the utmoft exadlnefs, feve- 
ral latitudes and longitudes. You know, Sir, of 
what importance it is to have in the eaft fome fixed 
points, by means of which, as well as itineraries, one 
might conftrudt more corredl maps than thofe, which 
have hitherto been publifhed. I have the honour to 
communicate to you fome latitudes of the principal 
places, which I have obferved, and my obfervation 
of a ftar’s occultation by the moon. 
Aleppo. Lat. North 
Mount Cafltus 
Seleucia in Syria 
Antioch 
Diarbekir 
Bagdad 
36** 12' 
■ 36 4 
36 3 
- 30 10 
’ 37 54 
- 33 19 54" 
Immerfionof «. Virginis under the Moon, obferved June 10 
at Diarbekir, near the Sefaglio of the Bachaw. ’ 
* 753 > J^oe 10. Altitudes of 0 at 9'* 
O 
O 10 
o 
Correfponding Obferv. p. m. A 2 
B 2 
C I 
D 1 
56' 4" a. tn. 30® A 
58 55 > 30 B 
4 »3 - 28 30' C 
7 4 - 28 30 D 
3 32 
- 43 
55 28 
52 35 
The Immerfion of the Star was obferved June 10, a* 
at night. 
The Emerfjon - - _ n 
48' 4" 
39 47 
June 
