Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
500
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
550
TEN
SIX
FOUR
TWO
ONE
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
STADIA READING X STADIA CONSTANT
15