Achioioledgments 411 



Acknowledgments . 



The extensive collection of bloods whose examination forms the 

 main subject of this book, was only rendered possible through the 

 generous aid of some seventy gentlemen throughout the world. I take 

 this occasion to thank them very cordially for the friendly assistance 

 they have given me in my work. Of the 900 blood samples collected, 

 nearly 200 were brought together by mo personally, some with the aid 

 of our laboratory attendants, 6 by purchase from the Zoological 

 Laboratory at Plymouth ; a few have been contributed by Dr liouis 

 Cobbett and Dr Graham-Smith of Cambridge. 



My work has been especially furthered by Mr Frank E. Beddard, F.R.S., 

 Prosector of the Zoological Society's Gardens, London, under whose 

 direction 224 blood-samples were collected in the course of about two 

 years by his assistant Mr E. Ockenden. Mr Ockenden has been most 

 painstaking and exact in his attention to my directions with regard to 

 the methods of collecting bloods. It is needless to say that I have 

 obtained an invaluable material from this source. 



Especial thanks are also due to the Hon. N. Charles Rothschild, 

 who personally collected 89 samples of blood in Great Britain, Ceylon 

 and Japan, besides stimulating others to supply me with material. 

 Thus Messrs Brazenor Brothers (" B " in the tables). Naturalists at 

 Brighton, have kindly supplied me with 69 specimens, Mr W. J. Clarke, 

 Naturalist at Scarborough, with 19 specimens, a few being also supplied 

 by Mr Head, Naturalist at Scarborough. Mr Rothschild also put me 

 in communication with a number of gentlemen in different parts of 

 the world. 



Mr H. M. Phipson, Honorary Secretary of the Bombay Natural 

 History Society, sent me 11 specimens which he had collected. He 

 helped me considerably by circularizing the members of that Society 

 with copies of my letter containing directions for the collection of blood 

 specimens, a task which was continued by Mr W. S. Millard, who 

 assumed his self-imposed duties during Mr Phipson 's absence from 

 India. Of the members of this Society, I am indebted to Mr C. H. 

 Donald, of Bhadarwa, Kashmir State, for 29 specimens; Mr Charles 

 M. Inglis, of Tirhut, for 21 specimens ; Mr J. Mason, Curator of the 

 Society, for 8 specimens ; Captain H. T. Fulton, of Chitral, for 2 ; 



