CONTENTS 5 



PAGE 

 PART III. (contimied). 



(m) Effect of previous Emetin Treatment. 



(n) Delayed Action of Emetin. 



(o) Best Method of Emetin Administration. 



(2) Treatment of E. coli Infections. 



(3) Treatment of Lamblia Infections. 



(4) Treatment of Tetramitus Infections. 



(5) Treatment of Trichomonas Infections. 



(6) Treatment of Coccidial Infections. 



(7) Treatment of I -Cyst Infections. 



(8) Treatment of Blastocystis Infections. 



Summary of Matter discussed in Part III. 



PART IV. 



EXPERIMENTAL WORK WITH THE HUMAN INTESTINAL PROTOZOA, THEIR CARRIAGE 

 BY HOUSE-FLIES AND THE RESISTANCE OF THEIR CYSTS TO DISINFECTANT AND 

 OTHER AGENTS . . . . . . . . . . . . . . . . 135 



(1) Experimental Work. 



(2) Flies as Carriers of Intestinal Protozoa and other Infectious. 



(a) Flies Fed on Infected Faeces and Dissected Later. 



(b) Flies Fed on Infected Faeces and their Droppings Examined Later. 



(c) Examination of Wild Flies taken in various Localities. 



(d) Quantity of Faeces taken up by Flies. 

 General Considerations. 



Conclusions Regarding the Fly Question. 



(3) Resistance of Cysts of E. histolytica and other Intestinal Protozoa. 



Summary of Matter discussed in Part IV. 

 DESCRIPTION OF PLATES . . . . . . . . . . . . . . 148 



INSET PLATES . . . . . . . . . . . . between 148 and 149 



THE CARRIAGE OF CYSTS OF E. HISTOLYTICA AND OTHER INTESTINAL PROTOZOA 

 AND EGGS OF PARASITIC WORMS BY HOUSE-FLIES, WITH SOME NOTES ON 

 THE RESISTANCE OF CYSTS TO DISINFECTANTS AND OTHER AGENTS . . 149 



APPENDIX. PART V. 



CHARTS GIVING THE HISTORY OF THE CASES TREATED FOR E. HISTOLYTICA OR 

 FLAGELLATE INFECTIONS . . 156 



LIST OF ILLUSTRATIONS. 



Figs. 1 and 2. Drawing from cells in a Bacillary Dysentery Stool to illustrate 

 the Cellular Exudate on the one hand and the Exfoliation type of Cell 

 on the other . . . . . . . . . . . . . . . . 62, 63 



Fig. 3. Drawing of a large Amoeba (E, coli), with a phagocyted Cyst of 



E. histolytica.. . . .. .. .. .. .. ..67 



Fig. 4. Spores of a Spore-bearing Bacillus (probably B. megatherium) ingested by 



E. histolytica . . . . . . . . . . . . . . 85 



Fig. 5. Multiple Reproduction of Blastocystis .. .. .. ..85 



