Threlfall and Breavlerj. 
Phil. Trans. 1896, A, Plate 3. 
Scale 
O ' 2 3 5 
l -1--- L 
/O 
I 
ff Ckns 
Fig. 5. 
DISH AND PLATLS 
a 3 * 
15 
J 
ao Cms. 
5 
-L 
Scale 
