pt 
180 160 140 120 100 a0 80 an 20 = 20 ar a0 30 100 120 140 160 > 
ee o 
= 
i i 
- 
60 < 
a 
= 4 
.? 
—-— 
wl °° 
i 
47) 
rt 
fis 
Arapi wis of Cancer’ 2 
> , TEES 0! 
sy Ph 
E i 
= 
¢ 
[Equate. rer _ 
» 
- 
1 
n 
EXPLANATION oF SIGNC 
Copper . Zine 
Tin + Sulphur 
Tead. . Diamonds 
2 SE a 
180 160 140 120 100 80 BU a zu o 2 un su su 100 120 fr ns 
a rem ET Se Ee me zo ee i — FIR 
Galls Projection W & A K Johnston, Linuted. Edinbrrgh