ACKNOWLEDGMENTS. 



The electrotypes of the following Figures were purchased from Prof. 

 C. V. Eiley : 14, 25, 29, 30, 33-39, 43-45, 52-60, 63, 68, 72, 77, 85, 86, 90, 

 91. 103, 105, 109, 120, 121, 146, 148-153, 159-178, 180, 181, 183, 187-193, 

 195)2, 196, 198. 200, 205-213, 215, 216, 218, 219, 232, 204-266, 269, 271-281, 

 285-288, 290-293, 298-309, 312-333, 338, 339, 359, 360, 365 and 368. 



The i'ollowiug were purchased from Lippiucott k Co., of Philadelphia: 

 31, 69-71, 88 89, 104, 147, 197, 199, 201 aud 214. 



Electrotypes of Figures 11-13, 51, 96, 97, 138 and 155, were purchased 

 of Dr. A. S. Packard, Jr. 



The following were copied from Dr. Fitch's Reports : 73, 74, 114, 204, 

 259-263, 268, 273-275, 289, 336, 337, 356 and 357. 



Figures 26-28, 116-119, were copied from Riley's Reports. 



Figures 156, 202, 203. 233, 254, 347, 351, 363, 364 and 369, were copied 

 from Packard's ''Guide to the Study of Insects." 



The following are from Harris' '■ Insects Injurious to Vegetation :" 

 67, 108, 113, 157, 227, 229, 234, 244, 245, 255 and 294. 



The following were copied from Figuier's " Insect "World :" 87, 124- 

 127, 194, 195, 348, 349, 361 and 362. 



Figures 256, 257, 267, 282, 284, 334 and 340, were copied from Miss 

 Ormerod's "Manual of Injurious Insects." 



The following are from the U. S. Agr. Reports : 40-42, 82-84, 277-280, 

 297, 341-343, 366, 367, 370. 



Figures 3.50 and 3.52 were copied from the report of the Ontario Entom- 

 ological Society. 



Figure 283 is from Dr. LeBaron's Fourth Illinois Report, and Figure 

 8 was copied from the Mass. Agr. Report. 



Figure 253 is from the " Scientific American Supplement." 



The following were kindly loaned me by the " Pacific Rural Press :" 

 80, 122, 128, 132-137, 140, 141, 154. 186, 226, 235, 237I4, 237i/^, 241, 242, 

 248-252. 



To Mr. C. MuUer, 1.35 Mtmtgomery St., San Francisco, I am indebted 

 for the use of the electrotyi)es of Figures 9 and 10. 



The remaining cuts are original, and were made expressly for this 

 work. Of these. Figures 32, 40, 41, 42, 51a, 64, 65, 66, 75, 76, 78, 82, 83, 

 84, 92, 93. 94, 95, 106, 107, 110, 111, 112, 115, 127, 146, 179, 182, 1!^, 185, 220, 

 221, 230, 231, 246, 277, 278, 279, 280, 297, 310, 341. 342, 343, 35.3, 354, 355, 

 358, 370, 371 and 372, were drawn and engraved by Mr. Buchi, of Messrs. 

 M. Schmidt I'v- Co., of San Francisco. These were received too late to 

 be inserted in the text, and so are given on Plates 1-4. Several of the 

 remaining figures were drawn and engraved by Mr. R. Philip, of this 

 city, and by Mr. V. Craig and Mr. Patten, 659 Clay St., San Francisco. 



In order to assist fruit-growers and others in readily identifying 

 insects, twenty-five i)ages of classified figures are given. 



