Commander S. W. Handford of the NAMRU_3 staff, Mss J. B. 

 Walker of the East African Veterinary Research Organization, and 

 Mr. George Cvtrtis Moore, Second Secretary of the American Embassy 

 at Cairo, kindly provided their excellent services as editors. 

 The thanidess task of checking the bibliography was kindly under- 

 taken by Dr. Edith W. Ware during a research tour sponsored by 

 Dr. Henry Field, Coconut Grove, Florida. 



Information on systematic names and other matters pertaining 

 to hosts of ticks has been secured from prominent specialists: 

 Dr. A. L. Rsind, Chicago Natural History Museum, on birds; Mr. C. 

 C. Sanborn of the same institution on bats; Dr. H. W. Setzer, 

 United States National Museum, on other mammals; and Mr. A. Love- 

 ridge, Museum of Comparative Zoology, on reptiles. Dr. C.W. 

 Sabrosky, United States National Museum, has kindly answered 

 questions on several nomenclatorial problems that arose dviring 

 the course of this work. 



To Mr. R. Strekalovsky of Cairo University, appreciation 

 must be expressed for the care with which he has prepared the 

 illustrations in this report. It is also a pleasure to acknowl- 

 edge the services of Miss Marcelle Boshi and Mrs. Mary Youakim 

 of Naval Medical Research Unit Nvimber Three for their careful 

 typing of the manuscript in its numerous preliminary forms, as 

 well as in final form. 



Although most illustrations used in this work were prepared 

 especially for it, a few have been copied from previous publica- 

 tions with the permission of the authors or editors concerned. 

 These are acknowledged in the title of each figure so obtained. 



In the introductory-- section of the Bibliography, those per- 

 sons who have been of special assistance in securing literature 

 for these studies are mentioned. 



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