516 PROCEEDINGS OF THE NATIONAL MUSEUM vol. i08 



examined, and a map showing the distribution in the United States. 



Many specimens were borrowed from other museums and private 

 collections to supplement the material in the United States National 

 Museum. I thank sincerely the following who made such loans: 

 (from museum collections) E. B. Britton, British Museum (Natural 

 History); A. E. Brower, State of Maine Forest Service; W. J. Brown, 

 Canadian Department of Agricultm-e; M. A. Cazier, American 

 Museum of Natural History; Leland Chandler and J. V. Osmun, 

 Purdue University; E. A. Cliapin, Museum of Comparative Zoology; 

 Henry Dietrich, Cornell University; S. W. Frost, Pennsylvania State 

 University; Walter B. Jones, Geological Survey of Alabama; Ralph 

 Dury, Cincinnati Museum of Natm-al History; J, N, Knidl, Ohio 

 State University; Hugh B. Leech, California Academy of Sciences; 

 H. O. Lund, University of Georgia; Rene Malaise, Naturhistoriska 

 Riksmuseum; Frances McAlister, Clemson College; A. T. McClay, 

 University of California (Davis, Calif.); H. E. Millhon, University of 

 Delaware; W. D. Newsom, University of Louisiana; L. W. Quate, 

 University of Nebraska; H. J. Reinhard, Agricultural and Mechanical 

 College of Texas; M. W. Sanderson, Illinois Natural History Survey; 

 H. C. Severin, University of South Dakota; A. N. Tissot, Florida 

 Agricultural Experiment Station; H. V. Weems, Jr., Florida State 

 Plant Board; F. G. Werner, University of Arizona; D. L. Wray, 

 North Carolina Department of Agricultm-e; (from private collections) 

 L. J. Bottimer, J. F. Brimley, H. L. Dozier, H. F. Howden, Gayle 

 Nelson, F. H. Parker, William Rosenberg, and R. B. Selander. 



I am especially grateful to Dr. Rene Malaise of the Riksmuseum in 

 Stockholm, to Dr. Bengt-Olof Landin, Universitetets Zoologiska 

 Institution, Lund, and to Dr. E. B. Britton of the British Museum 

 (Natural History) for invaluable help in checking type specimens in 

 their respective museums. 



Genus Bothynus Hope, 1837 



Boihynus Hope, 1837, p. 95.— Burmcister, 1847, p. 115.— LeConte, 1847, p. 86.— 



Lacordaire, 1856, p. 413.— Prell, 1936, p. 146. 

 Ligrjrus Burmeister, 1847, p. 542.— Casey, 1915, p. 178.— Arrow, 1937, p. 36.— 



Saylor, 1946, p. 41. 

 Tomarus Erichson, 1847, p. 95. 

 Ligyrodes Casey, 1915, p. 178. 

 Euligyrus Casey, 1915, p. 185. 

 Orylius Casey, 1915, p. 189. 

 Anagrylius Casey, 1915, p. 204. 

 Ligyrellus Casey, 1915, p. 206. 



Type of genus: Geotrupes cuniculus Fabricius. 

 The genus Bothynus was erected by the Rev. F. W. Hope in 1837 

 for two species, Geotrupes cuniculus Fabricius and Scarabaeus ascanius 



