Fig. 129 — Glaciated pebble, 7 inches long, from Fig. 130-Glaciated pebble, 11 inches 

 Lower Huronian, Cobalt, Can. (A. P. Colman.) long, from Dwyka, Matjesfontein, 



Cape Colony. (A. P. Colman.) 



Fig. 131— Glaciated pleistocene surface from Lower Huronian tillite near Thessalon, 

 Ont. (A. P. Colman.) 



