the mean Denfity of the Barth. 759 
the Southern obfervatory o, and then for the Northern 
obfervatory p; and in each, the altitudes are placed firft. 
1. Altitudes above o in the N.W. quarter. 
Kmgs.| I | 2 | 3 | 4 | 5 I 6 | 7 1 8 | 9 | IQ | II | 12 \ Radii. 
I 
|215)2I5! 215ICH5 l21°| 205 | 200 | 190 1 3;70 | 
145 1 120 
! 73 ! 
333 i 
2 
| 605 | 610 j 605 j 600 | 595 | 590 | 580 | 570 | 510 | 
45 ° I 35 ° 1 200 | 
1000 
3 
I 965 | I005J IOIo| ioioj I020| iC^Oj 104-Oj 900 | 810 | 
6co | 415 | 220 | 
1667 
4 
| 670 | 680 | 700 | 780 | 860 | 930 ] IO401 1090I1 ioc| 
7bo 
| 480 | 2 10 | 
2 3 3 3 
5 
| 280 | 310 | 370 | 430 | 5bo | 700 | 830 | 960 1 1 1 Bo| 
'890 
(545 
| 200 | 
3 °°° 
6 
j 20 i 50 1 100 1 no 1 250 j 380 j 525 j 710 j 890 j 
950)605 ) 1 10 1 
3667 
7 
| | 10 | 70 | 120 415 620 | 
780 | 600 
120 | 
4333 
8 
1 1 15 1 95 1 390 1 
6lO 
480) 35 | 
5000 
9 
! ■ hsi'i 
3 10 
| 2 20 
i 5 ! 
5667 
10 
1 I 
4 ° 
Lr° 
1 i 
h 333 
1. Altitudes above 0 in the N.E. 
quartei 
Rings. 
1 1 2 | 3 l 4 | si 6 | 7 | 8 9 1 
10 
1 1 
| 12 '[Radii. 
I 
1 210 | 205 j 205 j 200 j 195 | 185 | 170 ) 155 | 140 | 
I2 5 
; 105 
70 | 
3333 -! 
2 
1 55 ° 1 545 I 540 I 530 1 520 | 510 | 500 | 465 | 430 | 
37 o 
270 
> 3 °! 
1000 
3 
| 910 | 840 | 8 2 5 j 815 | 800 | 760 | 720 | 680 j 635 | 
59 ° 
' 500 
200 | 
1667 
4 | 645 1 6 40 I £35 1 6 4 ° £>45 1 650 I £75 1 7 1 S \ 73 ° 1 
700 | 580 
3 °°| 
2 333 
5 
1 265 1 255 ) 265 1 285 1 310 350 1 390 1 450 1 4&0 1 
5 °° 1 
boo 
280 
3000 
6 
| IO | 12 | 20 | 65 | IOO | I30 | 160 | 180 | l8o | 
320) 
460 
300 1 
3667 
7 
1 1 1 15 I 55 1 
I IO | 
J 5 ° 
25° 1 
4333 
8 
50 1 
5000 
3. Altitudes above o in the S.W 
quarter. 
Rings.} I 
2 
3 1 4 I 5 l 6 I 7 | 8 | 9 j 10 
1 1 | 12 [Radii 
1 
1 1 1 1 : 1- 1 1 
1 1 333-j 
2 
1 1 1 1 1 1 
l 15 j 1000 
3 1 
1 1 1 1 1 1 1 
1 5 1 1667 
12 | 
1 1 1 1 
l 4 ° 1 7667 
l 3 1 
1 
1 1 
1 1 1 
.6° 1 8 333 
l ± 1 
! 
1 1 1 1 1 1 1 
[ IOO | 9000 
I 
1 
1 1 1 1 1 1 1 
1 200 | 9667 
16 | 40 | 
120 
200 | 25O | 280 | 280 | 260 | I70 | 60 | 
| 300 |i°333 
17 160 | 
27O 
360 1 400 1 440 1 450 
450 | 390 1 270 | 3 ° 1 
| 5CO |l IOOO 
18 3 10 
420 
500 | 580 | 620 | 650 660 | 63O | 50O | 200 | 
] 7OO [11667 
39 1 44 ° ) 540 
620 | 680 | 74O | 800 | 800 | 780 | 600 | 4OO | 60 | 800 1 1 233 3 
20 1 55O J 650 
75O | SOO j 9OO | 950 | 960 | 960 j 800 | 5OO j 200 | 900 1 1 3OOO 
