Length of Amphidiscs (/a). 
Length 
O 
11.92 
13.11 
14.42 
15.86 
17.45 
19.19 
21.11 
23.23 
25.55 
28.10 
30.91 
34.00 
37.40 
41.14 
45.26 
49.78 
54.76 
60.24 
66.26 
72.89 
80.18 
88.20 
97.02 
106.72 
117.39 
129.13 
142.04 
156.25 
171.87 
189.06 
207.97 
228.76 
251.64 
304.49 
- 13.11- 
14.42- 
- 15.86 
- 17.45 
- 19.19 
- 21.11 
- 23.23 
- 25.55 -j 
- 28.10 
- 30.91- 
- 34.00- 
- 37.40- 
- 41.14- 
- 45.26- 
- 49.78- 
- 54.76- 
- 60.24- 
- 66.26- 
- 72.89 
80.18- 
88 . 20 - 
- 97.02- 
- 106.72 
117.39- 
129.13- 
- 142.04- 
156.25- 
171.87 
- 189.06 
-207.97 
-228.76-1 
-251.64 
.304.49 
334.93- 
co Number 
I 
in t - 1 in r 
3 Si 3 £ 
crq crq 
rt — o> 
-a 
3* 
m 
3 
•o 
■g* 
to 
n 
co 
CD 
o 
5 
3 
s: 
D. 
CO* 
o 
CO 
Fig. 24. — Amphidiscs. 
Macramphidiscs in general 
