EXTINCT ANIMALS 



some specimens for the Natural History Museum. 

 He was rewarded far beyond his expectations. 

 The party had to travel into an absolute desert 

 waterless region, establishing a staff of camels 

 which daily brought up water as far as three 

 days' march into the sandy wilderness, return- 



FiG. 85. — A scene in the Fayuin Desert, showiuLi the i< mains 

 of silicified trees, embedded in the sands. From a photo- 

 graph by Dr. Andrews. 



ing with empty tanks on their backs to fetch 

 more. In Fig. 85 is reproduced one of many 

 photographs taken by Dr. xlndrews. It shows 

 the flat sandy desert with some fossilized lumps 

 lying in the sand which are the remains of trees. 

 The geologists determined that the sands in 



124 



