SUBJECT INDEX 



287 



food of flies, regurgitation 86 



size of particles swallowed 66 



human, flies attracted to 23, 30, 36, 39 

 experimental infection by 104 

 natural infection by 5, 78, 143 



of larvaj 44 

 food-poisoning 146 

 foot of fiy 1 1 



formalin, destroying flies 250 

 Franiba'sia 192 

 frons of fly 9 

 front of fly 9 

 frontal lunule 14 



suture 8, 14 

 fronto-orbital bristles 9 

 fruit, flies frequenting 23, 39, 78, 85 



larvae in 45 

 fruit fly 38 

 fungi, fly larvae in },}, 



Gad fly 78 



gall-flies, parasitic in larvne 242 

 GainasidiC 235 

 ganglia of fly 48 

 garbage-can traps 251 

 Gastrodiscns hoininis, egg 20 [ 

 Gastrophilus eqtd 229 

 gestation of fly, length of 47 

 glands, salivary, of fly 52 

 Glossina morsitans 75 

 gonococci in 'wild ' flies 188 

 grasshoppers' eggs, larvae in 2 1 

 green-bottle 24 

 groove, interbifid 58 

 grubs 8 

 gutters of mouth 5-;, 63 



Habits of flies, after feeding 69, 85, 107 

 breeding 23, 25, 41, 212, 219 

 cleansing 86, 107 

 diurnal 84 

 feeding 64 

 general 74 

 indoor 83 

 outdoor 78 

 of larvae, see larv^-e 

 Habrcincma iiiiiscis 240 

 Htrmatopota 209 

 halteres 8, 10, i r 

 Harpahis 245 

 haustellum 53 

 head of fly 8 

 heart of fly 48 

 Herpetomonas, genus 236 

 calliphora: 239 

 drosophilcF 239 

 lineata 239 

 luciluT 239 

 mesnili 239 

 niirabilis 239 



Herpetomonas mitsc<c-donicsticcv 236, 239 



sarcophagiC 239 

 Heierophyes heterophyes, egg 200 

 hibernation 49, 85 

 of cluster fly 85 

 raven fly 22 

 Homalomyia, see Fannia 

 house-centipede 245 

 house-fly 



alimentary system 51 

 anatomy, external 8 



internal 47 

 bacteria, distribution by 94 



see also Bacillus 

 bacteriology of normal no 

 breeding habits 41 

 cages for 92 

 camps, in 3, 5, 142 

 captive, observations on 92 

 cities, migrations in 78, 112 

 numbers in 137, 152, 156 

 well sewered 128 

 country flies resembling 21 

 description of 19 

 disease, relation to, see diseases 

 distribution 



country places, in 75 

 geographical 19 

 houses, in 16 

 sexes of 78 

 epidemics, relation to i, 137, 150, 



174 

 experiments on, see Bacillus and 



experimental infection 

 faeces, see faeces 

 flight, range of 74 

 feeding of, see feeding and food 

 habits after feeding 69, 85, 107 



Vjreeding 4 1 



cleansing 86, 107 



diurnal 84 



feeding 64 



general 74 



indoor 83 



outdoor 78 

 hibernation 49, 85 

 houses, distribution in 16 

 larva of, see larva 

 life, length of 84 

 life-history 12, 41 

 metamorphosis 8, 12 

 migration in cities 78 

 milk, feeding on 87 

 muscular system 48 

 myiasis, due to larva 228 

 nervous system 48 

 numbers in cities 137, 152, 156 



houses 1 7 

 oral sucker 53, 60 

 ova, see egg 



