INTRODUCTION 7 
Rev. J. Aiken, St. Catherines, Berbice, British Guiana. 
Prof. J. M. Aldrich, University of Idaho, Moscow. 
Mr. E. E. Austen, British Museum of Natural History, South Kensington, 
London, England. 
Dr. George E. Beyer, Tulane University, New Orleans, Louisiana. 
Prof. Raphael Blanchard, University of Paris. 
Mr. J. Turner Brakeley, Hornerstown, New Jersey. 
Dr. Hiram Byrd, Sanitary Department, Jacksonville, Florida. 
Dr. F. E. Campbell, Surgeon, U. S. Navy. 
Prof. T. D. A. Cockerell, University of Colorado, Boulder, Colorado. 
Mr. O. F. Cook, Washington, D. C. 
Prof. R. A. Cooley, Entomologist, Bozeman, Montana. 
Dr. C. C. Craft, Department of Terrestrial Magnetism, Carnegie Institution of 
Washington, Washington, D.C. 
Dr. Oswaldo Goncalves Cruz, Instituto Oswaldo Cruz, Rio de Janeiro. 
Dr. George Dimmock, Springfield, Massachusetts. 
Dr. A. Dugés, Guanajuato, Mexico. 
Mr. F. W. Edwards, British Museum of Natural History, South Kensington, 
London, England. 
Dr. J. Hobart Egbert, Willimantic, Connecticut. 
Dr. E. P. Felt, Entomologist, Albany, N. Y. 
Dr. J. Fletcher, Ottawa, Canada. 
Mr. Arthur Gibson, Ottawa, Canada. 
Dr. E. A. Goeldi, Berne, Switzerland (formerly Parad, Brazil). 
Col. W. C. Gorgas, U. S. Army, Chief Sanitary Officer, Isthmian Canal Com- 
mission. 
Dr. M. Grabham, Kingston, Jamaica. 
Prof. Dr. Anton Handlirsch, k. k. Zool. Museum, Vienna. 
Prof. A. L. Herrera, Mexico City. 
Prof. Glenn W. Herrick, Agricultural College, Mississippi. 
Mr. A. H. Jennings, formerly Entomologist to the Isthmian Canal Commission, 
Ancon, Canal Zone, Panama. 
Prof. C. W. Johnson, Boston Society of Natural History. 
Prof. K. Kertész, Hungarian National Museum, Budapest. 
Dr. Eduardo Liceaga, Mexico City. 
Dr. C. S. Ludlow, Washington, D. C. 
Dr. Adolpho Lutz, Instituto Oswaldo Cruz, Rio de Janeiro. 
Sir Patrick Manson, London School of Tropical Medicine. 
Prof. Frederick Meinert, Zoological Museum, Copenhagen. 
Mr. H. W. B. Moore, Georgetown, British Guiana. 
Dr. G. H. F. Nuttall, Cambridge, England. 
Dr. P. Osterhout, Bocas del Toro, Panama. 
Dr. José H. Pazos, San Antonio de los Bafios, Cuba. 
Dr. H. Polak, Paramaribo, Surinam. 
Sir Ronald Ross, Liverpool School of Tropical Medicine. 
Dr. A. H. S. Russell, Surgeon, U. S. Navy. 
Dr. A. E. Shipley, Cambridge, England. 
Mr. W. H. Sligh, Department of Terrestrial Magnetism, Carnegie Institution of 
Washington, Washington, D. C. 
Dr. John B. Smith, Entomologist, New Brunswick, New Jersey. 
Prof. E. P. Taylor, Entomologist, Mo. State Fruit Experiment Station, Moun- 
tain Grove, Missouri. 
Mr. J. R. Taylor, Las Animas Hospital, Havana, Cuba. 
Prof. F. V. Theobald, Wye (Kent), England. 
Mr. J. K. Thibault, jr., Scott, Arkansas. 
Dr. W. F. Thornton, Bluefields, Nicaragua. 
Prof. E. S. G. Titus, Entomologist, Logan, Utah. 
Prof. W. V. Tower, Entomologist, San Juan, Porto Rico. 
Mr. F. W. Urich, Entomologist, Port of Spain, Trinidad. 
Mr. J. B. Vanduzee, Estero, Florida. 
Dr. H. A. Veazie, New Orleans, Louisiana. 
Mr. H. C. Weeks, Bayside, Long Island, New York. 
Mr. T. N. Willing, Regina, Saskatchewan. 
Dr. K. S. Wise, Public Hospital, Georgetown, British Guiana. 
