# The Gall Wasp Genus Cynips: A Study in the Origin of Species/Acknowledgments

APPENDICES
The following persons have made essential contributions without which this study could not have been pursued to its present degree of completion:
Harvard University, and particularly Dr. William Morton Wheeler of that institution, which granted the Sheldon Travelling Fellowship under which the initial collections were made for this study in 1919-1920.
The Trustees of the Elizabeth Thompson Science Fund, who awarded Grant No. 259, made in 1924, toward the expenses of this study.
The Board of Directors of the Bache Fund, who, in 1924, made their Grant No. 255 toward this study.
My wife, Clara McMillen, who has contributed encouragement, advice, material, and editorial assistance.
Dr. Fernandus Payne, Head of the Zoölogy Department and Dean of the Graduate School of Indiana University, who has given material, assistance, encouragement, and critical aid in genetic interpretations of the problems involved.
Dr. G. W. D. Hamlett, of the Zoölogy Department of Indiana University, who has offered criticisms of the interpretations, especially of the genetic interpretations, of the biologic data.
Dr. B. J. Vos, of the Department of German at Indiana University, who has verified the German translations published in this study.
Dr. R. H. Coon, of the Department of Latin at Indiana University, who has verified the Latin translations published in this study.
Dr. Paul Weatherwax, of the Department of Botany at Indiana University, who has helped in interpretations of some botanical data bearing on this genus.
Dr. C. L. Malott and Dr. J. W. Beede, of the Department of Geology at Indiana University, who have criticized the geologic data used in the phylogenetic interpretations of Cynips.
The several curators and others of the staffs at the Museums which have made Cynips fmaterial available: especially S. A. Rohwer at the U.S. National Museum, Nathan Banks at the Museum of Comparative Zoölogy, E. T. Cresson, Jr., at the Philadelphia Academy of Natural Sciences, F. E. Lutz at the American Museum of Natural History, Isabel McCracken at Stanford University, W. J. Gerhart at the Field Museum, C. A. Johnson at the Boston Society of Natural History, E. P. ​Felt at the New York State Museum, and T. H. Frison at the Illinois State Laboratory of Natural History.
Mr. L. H. Weld, of East Falls Church, Virginia, who has contributed some data from his own and the National Museum collections.
The following who have made outstanding contributions of insects and galls: the late F. A. Leach of Piedmont, California; Dr. J. T. Patterson of the University of Texas; Dr. Ralph Voris of the Southwestern Missouri Teachers College; Miss Pauline Schulthess and Miss Dorothy Hildebrand of Kelseyville, California; Mrs. W. E. Smith of Picayune, Mississippi; Miss O. Buchanan of Eddyville, Illinois; B. and H. J. Pack of Salt Lake City, Utah; Dr. Charles Sajo of Oerszentmiklos, Hungary; Dr. Ed. Baudys of Brno, Czecho-Slovakia; W. E. Noury of Bois Guilbert par Buchy, France; E. B. Hoffmeyer of Havdrup, Denmark; and possibly a hundred other collectors, many of them collectors of important material, each item of which is duly credited with the distribution and other data in the systematic portion of this paper.
Several who have borne the burden of the technical work involved in the preparation of the insects, drawings, and manuscript for this study: W. H. Vance, Mrs. I. T. Wilson, Miss F. D. Flemion, Miss E. Arnold, Miss L. F. Ritterskamp, Miss Z. E. Gross, Mrs. R. Voris, Mrs. H. P. Wright, C. J. Quick, and Miss E. E. Wilkinson; especially Miss L. F. Ritterskamp who has been directly in charge of the technical work during the past three years.
The Zoölogy Faculty at the Ohio State University, who allowed me the use of their library facilities.
The John Crerar Library, at Chicago, which has given me free access to their superb collection of scientific volumes.
The Indianapolis Engraving Company, who are responsible for the