AUTHOR'S PREFACE vii 



of the many stages leading up to such a final result. Indeed 

 it is only those who have trained themselves to comprehend 

 and appreciate all the manifold factors that go to make up 

 any finished product of human skill or genius who can really 

 enjoy it and profit by it. 



If in the present book the writer has in the slightest de- 

 gree attained the aim he set for himself in its composition 

 he will feel himself amply repaid for the time and pains be- 

 stowed upon it. 



As this volume is more extensive in its scope than a 

 work devoted exclusively to Ivory, it was necessary to con- 

 sult authorities covering a wide field. In this connection it 

 gives me pleasure to acknowledge my obligation to those 

 whose courtesies have enabled me to add so much that 

 would otherwise be difficult of access or impossible to 

 obtain and would never have been printed. 



Carl Akeley, Naturalist, American Museum of Natural History, 



E, A. Blared, of the Department of Commerce, 



Harris R. Childs, Hunter and Explorer, 



Dr. J. Wyman Drummond, New York City, 



H. W. Kent, Secretary of the Metropolitan Museum of Art, 



Caroline E. Ransom, Assistant Curator in the Department of 



Egyptian Art, Metropolitan Museum of Art, 

 J. Martini, Palaeographer, 



E. Hubert Litchfield, 



Prof. Waldemar Kaempffert, 



F. R. Kaldenberg, 



Dr. William T. Hornaday, Director New York Zoological Park, 



Prof. Henry Fairfield Osborn, President of the American Mu- 

 seum of Natural History, 



Miss Christina D. Matthew, American Museum of Natural 

 History, 



John Getz, Art Expert, 



James Barnes, Sportsman and Traveller, 



James L. Clark, 



William Fitz Hugh Whitehouse, 



