LIST OF ILLUSTRATIONS 



XV 



to face 

 to face 



FIGURE 



75. Spalangia sp., parasite of M. domestica 



Muscid parasite, Figites sp. . . . . . 



Diagram of life-cycle of Herpetomonas muscae-domesticae 

 Hahronema muscae Carter .... 



Lesser house-fly, Fannia canicularis . 

 Stable Fly, Stomoxi/s calcitrans . 

 La^ joints of F. scalaris and F. canicularis 

 Antennae of F. canicidaris and M. domestica 

 F. canicularis, larva ..... 



Anterior end of larva of F. canicularis 



Palmate dorsal appendage of larva of F. canicularis 



Posterior spiracle of larva of F. canicularis 



F. scalaris, larva ...... 



Body segment of larva of F. scalaris 

 Head of Stomoxys calcitrans, lateral aspect 

 Posterior end of larva of >S'. calcitrans, with spiracle 

 Posterior end and spiracles of larva of Calliphora erythroccphala 

 Root Maggot Fly, Anthomyia radicum ^leig., female 

 A. radicum, larva ..... 



Posterior end of larva of A. radicum 



A. radicum, pupa ..... 



Tarsal joints of M. domestica 



Slope culture of micro-organisms carried by 21. 



Plate culture of bacteria carried by M. domestica . 



Chart of summer diarrhoea and flies in 1904 (Manchester) 



Chart of summer diarrhoea and flies in 1909 (Manchester) 



Minnesota Fly Trap 



Card of Instructions 



Enlarged model of the House-fly, M. domestica 



Enlarged model of the larva of the House-fly, M. domestica 



76. 

 77. 

 78. 

 79. 

 80. 

 81. 

 82. 

 83. 

 84. 

 85. 

 86. 

 87. 

 88. 

 89. 

 90. 

 91. 

 92. 

 93. 

 94. 

 95. 

 96. 

 97. 

 98. 

 99. 

 100. 

 101. 

 102. 

 10.3. 

 104. 



domestica 



PACE 



167 

 169 

 175 



183 

 186 

 186 

 187 

 189 

 191 

 192 

 192 

 192 

 194 

 195 

 198 

 200 

 201 

 214 

 215 

 215 

 215 

 218 

 247 

 248 

 256 

 257 

 326 

 .331 

 333 

 334 



Map of portion of City of Ottawa showing range of flight of marked 

 flies ............ 



