The Edmonton Beds 43 



ble tread of reptiles, and the crush of mighty 

 carnivores rushing relentlessly on their prey. 



In addition to boulders, and iron concretions, 

 the faces of the bluffs are covered with cherty 

 chips that accumulate often in some shallow 

 wash. These slip under the feet, and made it 

 difficult to climb the steeper ascents. More than 

 once I measured my full length on the steep sur- 

 face cutting face and hands by the impact. But 

 strange to say when it was wet, and the clay beds 

 were as treacherous as if covered with soft soap, 

 where ever the cherty fragments accumulated, 

 one could climb on them in safety, as they were 

 pressed into the slick clay, and held the feet se- 

 curely as if there were spikes in the shoes. On 

 account of these fragments I was able to travel 

 over the beds on a wet day, and found the best 

 deposit we discovered of fossil bones, in the 

 coulee through which the Canadian Northern 

 lias its right of way, on the west side of the Red 

 Deer River. We made a large collection of scat- 

 tered bones here. 



Near here, also, we secured a great collection 

 of redwood leaves, and branches with their nar- 

 row leaflets as beautifully preserved in the flinty 

 rock as if impressed in wax, but yesterday. The 

 Red Letter Day for us, however, was when 

 Charlie found on the 13th of August, 1912, the 

 wonderfully complete skeleton of a duck-billed 

 dinosaur, the first ever mounted in Canada. It 

 is thirty-two feet long. The end of the tibia only 



