X PREFACE 



Colonel F. Winn Sampson I owe a deep debt of thanks for so kindly 

 coming to my assistance and undertaking to deal with the identification 

 work connected with the Xylchori and the Platypodidae for me, several 

 new species of which he has described. To Dr. Max Hagedorn, an 

 authority of world-wide reputation in these families, I owe thanks for 

 his kindl}' help and advice. 



To Sir William Schlich, K.C.I.E., F.R.S., my old Professor of 

 Forestry at the Royal Indian Engineering College, Coopers Hill, and to 

 Mr. Walter F. H. Blandford, Lecturer in Forest Entomology at the college, 

 my acknowledgments are due for the encouragement I received at their 

 hands to prosecute my studies in this branch of forest science. I retain 

 the liveliest feelings of gratitude to Sir William for the interest he has 

 evinced in me, and for the praise and congratulations he has given me 

 in my forestry career. 



As regards the illustrations, the frontispiece and coloured plates 

 Nos. xxviii, liii, and Iviii are from the able brush of my wife; Nos. xi 

 and XXV by Mr. A. Descubes ; No. xv and a considerable proportion 

 of the figures in the text by Mr. Horace Knight, to whom my thanks 

 are due for his excellent work. Most of the uncoloured plates were 

 drawn by the artists J. Singh, S. B. Mondul, and S. C. Mondul. The 

 greater number of the photographs were taken by Mr. Chitrakar, Photo- 

 grapher to the Research Institute. 



Lastly, my most cordial acknowledgments are due to Mr. William 

 Foster, CLE., Registrar and Superintendent of Records at the India 

 Office; to Mr. H. Mitchell, Assistant Registrar; and to Mr. E. W. 

 Jolliffe, for the great trouble they have taken in matters connected with 

 the preparation of the book. To Mr. Foster it would be difficult to 

 express my recognition of the cordial and unwearying interest he has 

 taken in the work. 



To Messrs. Eyre & Spottiswoode, the printers, to their staff, and to 

 the reproducers of the plates and figures I would tender an expression of 

 my admiration and praise for the workmanlike manner in which they have 

 dealt with the work, and for the very high efficiency of their proof-readers, 



EDWARD PERCY STEBBING, 



University of Edinburgh, 

 i8 May 1914- 



