226 
Miscellanea 
concerned in the production of the three types ; what these are can only be discovered by the 
clinician and pathologist. Each type has its peculiar age period and one can say that, except in 
very rare instances, any case occurring in a child under 10 years of age will belong to the Growth 
Type, if the disease is present in a young adult between 20 and 30 most probably to the 
Beproductive Type, and in persons over 55 to the Old-age Type. 
Diabetes Mellitus. 
Constants of Curves. 
U. S. A. 
England and Wales 
England and Wales 
S and % 
£ , 1900—1904 
? 
T'f 1 I) nQPi*vfl t.i nti <-i 
>'2 
10-707757 
8-4462 
9-2298 
"3 
-39-898144 
-35-6000 
-37-6492 
"i 
582-482889 
363-5801 
422-0587 
<T 
3-272271 
2-9062 
3-0381 
ft 
1 29661 1 
2 - 1034 
1 -8027 
ft 
5-080271 
5-0966 
4-9544 
<l 
•270709 
- 2-1170 
- 1-4993 
Mean 
71 -793190 
66-0115 
65-6125 
Mode 
81-108435 
88-0993 
81 -9805 
Old-Age Curve, III 
"2 
6-523346 
4-427590 
4-433679 
"3 
-5 344153 
^ 6-656844 
-5-300318 
"4 
117-214998 
65-102404 
60-322009 
<T 
2-554084 
2-104184 
2-105630 
ft 
•102884 
•510546 
•322338 
ft 
2-754497 
3-320949 
3-068650 
- -799658 
- -889740 
- -829714 
b 
19-601235 
18-655191 
17-836714 
#0 
913-3 
775-55 
561-583 
Mean 
73-5556 
69-370275 
68-875840 
Mode 
76-3920 
74-601783 
72-989120 
Reproductive Curve, II 
"2 
2-9319 
3-4115 
3-0853 
v i 
24-7888 
25-1364 
22-0005 
a 
1-6878 
1-8470 
1-7565 
ft 
2-8778 
2-1598 
2-3112 
a 
4-1880 
4-5502 
3fo 
51-53 
51-81 
48-14 
Mean 
30-9175 
30-8450 
30-3960 
Growth Curve, I 
"2 
1-0444 
•7400 
•7100 
"i 
2-0699 
1 -3640 
1-2210 
a- 
1-0219 
•8602 
•8426 
ft 
1-8976 
2-4909 
2-4221 
a 
1 -8962 
2-7804 
2-4395 
yo 
23-80 
8-268 
11-31 
Mean 
10-375 
9-5000 
10-1925 
