INDEX 



89 



He who laughs last laughs best, 5 



House flies in camp, 74 



House fly's egg-laying powers, 7 



How flies carry typhoid fever, 32 



How microbes are carried, 4 



How the biting fly infects its victims, 



78 



How to make a good fly trap, 70 

 Husbandman and the fly, 17 



ICHNEUMON flies, 41 

 Ignorance and crime, 3 

 Improving the human race, 2 

 Infant paralysis, 76 

 Infecting milk and tea, 30 

 Infecting our food, 13 

 Infecting the baby, 17 

 Insanitary man, 47 



JAPANESE surgeons in war time, 29 



KILLING our friends, 38 

 Knowledge brings many responsi- 

 bilities, 52 

 Knowledge is power, 51 



LIFE cycle of fly, 7 

 Lizards and flies, 41 



MAN stumbling blindly along, 17 

 Man ventures where angels fear to 



tread, 35 

 Microbes, i 

 Microbe's chief ally, 4 

 Microbes pass through fly unchanged, 



20 



Misfortune to the State, 85 

 Mistaken causes of typhoid fever, 31 

 Moral responsibility, 25 

 Municipalities' shortcomings, 56 



NAGANA or Tse-tse fly disease, 27 

 Natural checks to life, 38 

 Nature eliminates what is not used, 6 

 Nature's sanitary service, 45 

 Necessity for teaching children about 



flies, 39 

 No truce in war on flies, 47 



OUR duty to others, 3 



PARASITES of flies, 40 

 Parents' responsibility, 2 



Practical knowledge distasteful, 5 

 Premature death can be avoided, 85 

 Progeny of a single fly, 9, 65 

 Privy buckets, 61 

 Pure air and health, 66 

 Pyrethrum powder, 67, 68 



REGURGITATION, 24 

 Results of ignorance, 5 

 Rinderpest, 45 



SCREENING food, 55 

 Screening windows, 66 

 Secret of long life, 19 

 Seeking knowledge, 25 

 Seething masses of microbes, 13 

 Sins of the parents, 2 

 Sleeping sickness, 27 

 South African War and flies, 75 

 Sowing microbes all over the neigh- 

 bourhood, 34 



Spanish-American War and flies, 74 

 Spiders and flies, 40 

 Spreading diseases, 23 

 Stables and manure, 61 

 State Board of Health of Florida, 



52 



State Board's rules, 53 

 Statistics of fly-borne diseases, 73 

 Stimulating the human brain, 6 

 Storekeepers and flies, 50 

 Storekeepers and moral responsibility, 



Si 



Structure of a fly, n 



TANGLEFOOT, 68 

 Teaching Natural History, 86 

 Teaching the children, 10 

 Town garbage, 59 

 Track of a fly over food, 13 

 Tracks of a fly on gelatine, 15 

 Treating town rubbish, 56 

 Typhoid and the fly, 13 



VARIOUS insect enemies to flies, 40 

 Violating the laws of God, 18 

 Vomiting microbes on food, 24 



WHY flies should be killed in Spring, 



10 

 Wilfully closing his eyes to danger, 



17 

 Woman and fashions, 39 



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 EDINBURGH AND LONDON 



