IN PARTICULAR THOSE OF A QUADRIC SURFACE. 
199 
Table III. (continued). 
II or 4> p Diff. q Diff. 
27000 
500 
28000 
500 
29000 
500 
30000 
500 
31000 
500 
32000 
500 
33000 
500 
34000 
500 
34726 
-848-6 
854-8 
860-8 
866-1 
871-3 
876-0 
880 6 
884-0 
887-5 
890-8 
893-4 
895-6 
897- 5 
898- 6 
899- 3 
899-8 
-900 
6-7 
6-2 
6-0 
5-3 
5-2 
4-7 
4-6 
3-4 
3-5 
3-3 
3-6 
2-2 
1-7 
1-1 
0-7 
0-5 
0-2 
Table IV. 
II or $ 
Diff. 
Diff. 
0 
0 
1650 
15-7 
-400 
404-8 
1 
1929 
1665-7 
66-4 
418-7 
2 
3858 
1732 1 
212-1 
3 
5788 
1944-2 
440-5 
4 
7717 
2657'7 
713-5 
3040-0 
469-6 
504-5 
5 
9646 
5697-7 
6 
11575 
543-6 
7 
13504 
585-2 
8 
15434 
628-0 
9 
17363 
671-2 
10 
19292 
713-0 
11 
21221 
752-7 
12 
23150 
789-0 
13 
25079 
821-2 
14 
27008 
848-6 
15 
28938 
870-7 
16 
30868 
886-5 
17 
32797 
896-7 
18 
34726 
- 900 
4-8 
13-9 
21-8 
29-1 
34-9 
39-1 
41- 6 
42- 8 
43- 2 
41-8 
39-7 
36-3 
32-2 
27-4 
22T 
15-8 
10-2 
3-3