6 PREFACE. 



of the accentuated names of the butterflies of the Eastern 

 United States. Last, but not least, I would acknowledge 

 valuable aid and encouragement from my wife, who has 

 been the companion of my studies in natural history for 

 many years, making it possible for me, at this time, to 

 prepare this volume. In the few instances where I have 

 not had specimens for description, the back volumes of 

 the " Canadian Entomologist" and the American En- 

 tomological Society's publications, Professor Fernald's 

 " Butterflies of Maine," and some other works, have 

 been used. 



Electrotypes for illustrating this volume have been 

 received from the following persons : 



From Professor C. V. Riley, Nos. 8, 9, 10, 11, 12, 

 13, 23, 24, 25, 26, 27, 28, 29, 30, 36, 37, 38, 39, 59, 

 60, 61, 62, 63, 64, 65, 66, 6T, 68, 69, 91, 92, 93. 



From Henry Holt & Co., of New York, the figures 

 from Scudder's Butterflies, Nos. 1, 2, 3, 5, 7, 33, 41, 

 42, 45, 51, 52, 54, 55, 71, 73, 75, 76, 77, 78, 79, 80, 81, 

 S2, 83, 87, 88, 89, 90. 



From Dr. A. S. Packard, Jr., the figures from " Guide 

 to the Study of Insects," Nos. 4, 6, 40, 44, 46, 47, 48, 

 49, 53, 72, 84. 



From J. B. Lippincott Company, Philadelphia, the 

 figures from Saunders's " Insects Injurious to Fruits," 

 Nos. 17, 18, 19, 20, 21, 22, 58, 74. 



From A. A. Tenney, the figures from Tenney's 

 "Elements of Zoology," Nos. 14, 15, 16. 



All the rest were made specially for this work by 

 the St. Louis Type Foundry Company, from photo- 

 graphs taken by Mr. A. Hudson, of this place. 



In the arrangement of species and nomenclature, 



