ACKNOWLEDGMENTS FOR ILLUSTRATIONS 



Figure numbers are indicated in bold-face type, page numbers in Roman 



1-2, 7 Courtesy of the University of Michi- 

 gan Library 

 1-3, 9 Courtesy of the University of Michi- 

 gan Library 

 1-4, 10 Courtesy of the University of Michi- 

 gan Library 

 1-5, 11 Courtesy of the University of Michi- 

 gan Library 



2-8, 31 Courtesy of R. G. WilHams and R. 

 Steere 



2-10, 33 Courtesy of Ruth Lofgren, Depart- 

 ment of Bacteriology, University of 

 Michigan 



5-1, 89 Courtesy of the General Biological 

 Supply House 



5-3, 91 Woody Williams 



5-11, 101 Courtesy of Greater Arizona, Inc., 

 Phoenix, Arizona. Photo by McLaugh- 

 lin Co. 



6-1, 106 Smithsonian Report, E. L. Greene 

 1907 



7-6, 114 Courtesy of the General Biological 

 Supply House 



7-8, 116 Modified after H. S. Jennings 



7-9, 116 Modified after H. S. Jennings 



7-10, 117 Based on many sources 



7-11, 118 Modified after H. S. Jennings 



7-12, 119 Courtesy of the General Biological 

 Supply House 



7-15, 123 Partly after Kudo 



7-17, 124 University of Michigan Museum of 

 Zoology, Reiber plastic mount with 

 special permission 



7-18, 125 Courtesy of the General Biological 

 Supply House 



7-19, 126 Partly after Wenyon 



7-20, 126 Partly after Wenyon 



7-22, 128 University of Michigan Museum of 

 Zoology, Reiber plastic mount with 

 special permission 



7-23, 129 Mostly after Kudo 



7-25, 131 Partly after Wenyon 



7-26, 133 Redrawn after Calkins 



7-27, 133 Mostly after Kudo 



7-28, 134 University of Michigan Museum of 

 Zoology, Reiber plastic mount with 

 special permission 



679 



Courtesy of University of Michigan 



Library 



University of Michigan Museum of 



Zoology, Reiber plastic mount with 



special permission 



Specimen lent by Robert DeWitt 



Redrawn with modifications after 



Hyman 



Redrawn with modifications after 



Parker and Haswell 



Redrawn from various sources 



George Lower 



George Lower 



Woody Williams 



Woody Williams 



George Lower 



George Lower 



After various sources 



Redrawn after Belding 



After various sources 



Redrawn and modified after Good- 

 child and Wilson 



Redrawn with modifications from 

 Belding 



Modified after Borradaile and Potts 



Courtesy of George Lower and the 



General Biological Supply House 



George Lower 



George Lower 



Woody Williams 



Redrawn with modifications from 



A. W. Bell 



Upper, Woody Williams; lower, 



George Lower 



Redrawn partly after Herrick 



Based on Herrick 



Redrawn partly after Wigglesworth 



Redrawn mostly after Snodgrass 



Redrawn after Snodgrass 



Redrawn partly after Snodgrass 



Redrawn partly after Snodgrass 



Redrawn after Von Frisch 



Courtesy of the General Biological 



Supply House 



Courtesy of Carol Kohn 



Courtesy of Lewis Batts 



Specimen furnished by Robert Baird 



