FAM. MEMBRACIDiE 3o5 



ACKNOWLEDQMENTS 



To make proper acknowledgment for the many courtesies and services extended to the writer by 

 entomologists in many parts of the world and over a long period of years would require more words and 

 more space than our publishers would allow. We are convinced that entomologists are the most gener- 

 ous and the most kindly of all persons on earth. 



However, we would be most ungrateful if we did not mention particularly a few of those without 

 whose assistance the material forthis report could nothave been obtained. 



The late W. L. Distant of London was most kind for many years in comparing specimens with 

 British Museum material and in making valuable suggestions regarding taxonomic problems; the late 

 C. F. Baker of Los Banos, Philippine Islands, one of the most indefatigable collectors we have ever 

 known, furnished us with hundredsof specimens from many parts of the world ; the late R. C. McGregor, 

 also of the Philippines, was a constant correspondent, a generous contributor of specimens, a painstak- 

 ing editor of our papeis and our enjoyable companion when we were in the Islands; the late 

 F. W. Goding, an ardent student of the Membracidae, was our never-failing source of material and 

 information, both in Ecuador and in the United States, and upon his death bequeathed to us his 

 entomological library ; the late Lewis B. Woodruff, a real gentleman and a charming guest, supplied us 

 with complete sets of his paratypes; the late W. M. Wheeler was most obliging in making determina- 

 tionsofants; the late J. H. Comstock was from our student days our inspiration in the study of 

 entomology. 



We are greatly indebted to Mr. E. P. Van Duzee of San Francisco, California, and lo 

 Dr. E. D. Ball of Tucson, Arizona, for much sound advice, pertinent suggestions and for the loan and 

 gift of specimens ; to Mr. W. E. China for permission to work in the British Musuem and for many 

 courtesies shown us in London ; to Professor W. E. Hoffmann of Lingnan University for Chinese 

 material and particularly for his time and patience in assisting us in collecting in China; to 

 Mr. H. M. Pendlebury of Kuala Lumpur for his gracious hospitality to us in Malaya and for his 

 regular contributions to our collection ; to Dr. H. S. Pruthi for the piivilege of examining Indian 

 material and kindness shown to us in Calcutta ; to Doctors L. G. E. Kalshoven and M. A. Lieftinck of 

 Buitenzorg for the privilege of working up the Membracidae of their collections and for pleasant days 

 spent in Java; to Mr. Edward Jacobson of l-^ort de Kock and Bandoeng for much Archipelagic material 

 and especially for valuable advice and instructions which assisted us in collecting in Sumatra ; to 

 Mr. Bernard Smit of Port Elisabeth for niaterial and for assistance in field work in South Africa ; 

 to Dr. V. Lallemand of Brabant. Belgium, for donations and for honoring us in his publications ; to 

 Doctors Walther Horn and Hans Sachleben of Berlin-Dahlem forregutar sendings of material for study 

 from the Deutsches Entomologisches Institut ; to Dr. Janust Nast «f Warsaw, Poland for the opportu- 

 nity of studying the valuable collection of the Panstwowe Museum and his own collection ; to 

 Dr. A. Kiricenko of the U. S. S. R. for the privilege of seeing the membracid material in the Zoolo- 

 gical Museum of Leningrad; to the Rev. Octave Piel of Shanghai for enjoyable personal conferences in 

 China and for regular shipments of specimens from the Musee Heude; to Dr. Prof. Ed. Ilandshin of 

 Basle, Switzerland for the pleasure of examining and reporting on his unusual collection; to Dr. Dionisio 

 Pelaez of Madrid for valuable information regaiding .African species; to Sr. Jose Pinto da Fonseca of 



