1 905 - 6 .] Studies in Immunity : Theory of an Epidemic. 521 
CORRESPONDING TO THE COURSES OF EPIDEMICS. 
TYPE IV. 
02 
d 
md, 
1 
r 
V 
a 
No of 
Diagram. 
Remarks. 
4-583 
•14798 
•6527 
6-8217 
•9470 
5-0493 
I. 
4-5526 
•2346 
1-2859 
8-9635 
3-2622 
3-5332 
II. 
4-2209 
8-2141 
4-4240 
•71213 
6-8129 
17-1334 
18-931 
6-1659 
IV. 
7-9384 
•9448 
5-5113 
9-6667 
105-175 
•50655 
V. 
'These epidemics are 
1 almost identical al- 
4-5863 
•4685 
3-7369 
13-9478 
11-7934 
4-4195 
III. 
1 though the max. of 
5-7329 
•5946 
4-0726 
11-6988 
| the first was in May 
1 and the second in 
v January. 
3-9677 
•0824 
•4712 
9-4378 
•8711 
51049 
VII. 
5-1578 
- -3342 
1-3523 
10-0932 
4-9054 
2-7823 
VI. 
3-5593 
•1530 
1-2434 
14-2556 
1-7394 
10*1675 
i 
3-4183 
- -0905 
•8825 
17-4959 
•8133 
18-986 
3-1718 
•0479 
•9715 
38-551 
2-5513 
14-601 
IX. 
3-1997 
•1181 
2-2574 
36-2085 
5-8743 
13-94 
X. 
4-01274 
- -11288 
•62727 
9-1136 
•7625 
7-4959 
VIII. 
3- 3046 
4- 2688 
- -0897 
1-17172 
24-1147 
3-2589 
8-6703 
VIIlA. 
3-35995 
•4328 
4-3664 
- -2172 
1-25287 
9-53494 
3-55635 
3-35904 
xi. 
3-11622 
•01688 
•47918 
54-7740 
1-4512 
18-0862 
XII. 
3-36441 
•29294 
4-87785 
31-3251 
10-6226 
XV. 
2-99658 
XIII. 
Normal curve. 
4-1111 
- -0318 
•1663 
8-4564 
•405896 
3-4727 
XIV. 
3-8333 
•06834 
•42576 
10-45943 
•76214 
4-7257 
4-44641 
- '12539 
•60384 
7-6313 
1-2489 
3-6896 
3-7514 
•34452 
5-7297 
31-26136 
3-94458 
4-5408 
XX. 
3-38995 
5-2256 
*2482 
1-2067 
7-7248 
3-3742 
2-7633 
xvin. 
6'5863 
•5151 
3-5450 
11-7664 
4-8054 
•86803 
XIX. 
4-5083 
•34823 
2-01485 
9*5718 
4-05043 
4-76246 
XXIII. 
7-08272 
•32812 
1-27706 
5*78413 
2-68123 
2-75496 
XXII. 
TYPE I. 
02 
r 
mi 
m 2 
«2 
d 
3-2638 
15-6768 
XXI. 
2-7998 
10-0166 
2-1776 
5-8390 
3-708 
9-942 
•6224 
XVI. 
2-7010 
3-33101 
1-7606 
6-6703 
1-7773 
6-7345 
•5824 
CORRESPONDING TO THE DISTRIBUTION 
of Epidemics in Cities. 
r 
d 
md 
V 
a 
3-5645 
20-8514 
•4269 
4-8780 
9-1465 
11-1204 
XXVI. 
Type IV. 
3-8885 
7-3258 
Type IV. 
4-7303 
Type VI. 
4-0435 
8-8507 
•0440 
•2388 
• 61.27 
3-451 
Type IV. 
