6 MEXICO AND CENTRAL AMERICA 
collections are: Willard Brown, Austin Corbin, R. P. 
Doremus, Anson W. Hard, Archer M. Huntington, 
Morris K. Jesup, James H. Jones, Minor C. Keith, 
the Duke de Loubat, William Mack, Henry Mar- 
quand, Dr. William Pepper, A. D. Straus, I. Mel. 
Strong, Cornelius Vanderbilt, Henry Villard, William 
C. Whitney. But thanks are also due to innumerable 
persons who have contributed single specimens and 
small collections as well as those who have placed in- 
formation at the disposal of the scientific staff. The 
principal collectors have been: George Byron Gordon, 
Ales Hrdliéka, Carl Lumholtz, Francis C. Nicholas, 
Marshall H. Saville, and Eduard Seler. 
