AUTHOR'S PREFACE ix 



Dr. Arthur Fairbanks, Curator Museum of Fine Arts, Boston, 

 Mass., 



Garrit Forbes, Boston, Mass., 



Hon. John D. Barrett, Director, and F. J. Yanes, Assistant 

 Director, Pan-American Union, Washington, D. C, 



Dr. O. p. Hay, Palaeontologist, U. S. National Museum, Washing- 

 ton, D. C, 



Prof. R. Rathbun, Acting Secretary, U. S. National Museum, 

 Washington, D. C, 



Dr. Arthur M. Brooks, U. S. Geological Survey, 



VisuDDHi DoNAVANiK, Siamese Legation, Washington, D. C, 



Dr. Ales Hrdlicka, Curator in Physical Anthropology, National 

 Museum, Washington, D. C, 



Prof. Richard S. Lull, Professor of Vertebrate Palaeontology, 

 Yale University, Peabody Museum of Natural History, New 

 Haven, Conn., 



Miss C. M. LeVerre, Peabody Museum, Yale University, 



Prof. G. R. Wieland, Yale Museum, New Haven, Conn., 



George A. Wormwood, Deep River, Conn., formerly of New York, 



Rev. Dr. W. S. Rainsford, Ridgefield, Conn., 



Amasa Stone Mather, Cleveland, Ohio, 



Prof. S. W. Williston, and Prof. James Henry Breasted, 

 Egyptologist, University of Chicago, Chicago, 111., 



Dr. Berthold Laufer, Curator of Archaeology Department, Field 

 Museum of Natural History, Chicago, 111., 



Frank S. Daggett, Director of the Museum of History, Science 

 and Art, Los Angeles, Cal., 



Dr. Hector Alliott, Director, Southwestern Museum, Los An- 

 geles, Cal., 



Prof. H. R. Fairclough, Leland Stanford University, Cal., 



Arthur Hutchinson, Palo Alto, Cal., 



George H. Barron, Curator of the Memorial Museum, Golden 

 Gate Park, San Francisco, Cal., 



Mrs. D. W. De Vere, Acting Curator of the Oakland Public 

 Museum, Oakland, Cal., 



Dr. Erwin H. Barbour, State Geologist of Nebraska, Lincola, Neb., 



Charles L. Frear, Detroit, Mich., 



J. Allan, British Museum, London, Eng., 



J. B. Burlace, Managing Director of Rowland Ward, Ltd., Lon- 

 don, Eng., 



