CONTENTS. 



PAGE 



PREFATORY NOTE . . . . . . . . . . . . 6 



INTRODUCTION . . . . . . . . . . . . . . . . 7 



PART I. 



THE INCIDENCE OP PROTOZOAL INFECTIONS AMONGST BRITISH TROOPS AND 

 NATIVES IN EGYPT, WITH SPECIAL REFERENCE TO THE CARRIER PROBLEM OF 

 AMCEBIC DYSENTERY . . . . . . . . . . . . 10 



t^Xlethod of collecting Material. 



_ The Value of the Single Examination in determining Infections. 

 Examination of Various Groups of Men for Protozoal Infections. 



(a) Healthy Troops. 



(b) Convalescents. 



(c) Hospital Cases. 



(d) British Prisoners. 



(e) Healthy Natives. 

 if) Native Cooks. 



(g) British West Indian Troops. 

 General Remarks on the Protozoal Infections. 

 "(1) Entamceba coli. 

 i^2) Entamceba nana. 

 (3) Coccidium (Isospora). 

 t^4) Entamceba histolytica. 



(a) The Possibility of examining Healthy Troops with a view to the 



isolation of Carriers. 



(6) The Danger of Amoabic Dysentery spreading in England, 

 (c) The Advisability of examining all Convalescents with a view to 



the isolation of Carriers of E. histolytica. 

 v(d) The Length of Control necessary after Treatment. 

 (5) Flagellate Infections. 



The Question of invaliding for Flagellate Infections. 

 The Dysentery of the Eastern Mediterranean in 1915. 

 Summary of Matter discussed in Part I, 



I/ 



PART II. 



HE CHARACTERS AND DIAGNOSIS OF THE VARIOUS INTESTINAL PROTOZOA OF 

 MAN IN EGYPT, WITH A DESCRIPTION OF THREE NEW FORMS . . . . 41 



-fl) Characters and Diagnosis of Unencysted E. histolytica. 

 1 2) Characters and Diagnosis of Cysts of E. histolytica. 

 \J$) Are the Four-nuclear Cysts necessarily an Indication of Infection with 



the Pathogenic Amoeba ? 

 (4) History of Carriers of E. histolytica. 



(a) How long do Carriers remain Infected ? 



(b) What Percentage of Carriers pass on to an Acute Dysenteric Condition ? 



(c) What is the Condition of the large Intestine in the Carrier*^! 



(d) How does E. histolytica establish itself in the Human Intestine ? 



