INTRODUCTION 
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friends : Mr. A. T. Hopwood, Assistant in the Department, Professor D. M. S. 
Watson, and Professor H. F. Osborn ; the last-mentioned examined the mount 
during a visit in 1926. 
I should like also to place on record my own many obligations to my friend 
the late Dr. Andrews, under whose guidance I made, in Egypt, my first palaeonto- 
logical expedition, and to whose long and uninterrupted friendship I have been 
deeply indebted. 
C. FORSTER COOPER. 
