193 



INDEX 



Macrosponum, 180. 



Maddox, 156. 



Malpighian tubes of fly, 29. 



- of larva, 87. 

 Malta, 155. 

 Mantis, 126. 

 Maxillce, 9. 



Measures, preventive, 185. 

 Melanostomum scalar e, 131. 

 Melophagus ovinus, 78. 

 Merlin, 3. 

 Mesenteron of fly, 27. 



- of larva, 86. 

 Mesophragma, 16. 

 Mesothorax, 14, 15. 

 Metafurca, 16. 

 Metathorax, 16. 

 Methods, 5, 56. 



Micrococcus pyogenes aureus, 180, 181. 



M. urece, 179, 181. 



Michael, 129. 



Middens, 60, 114, 150. 



Milk, infection of, 157; 162, 163. 



Minchin, 26. 



Mites borne by house-flies, 128, 130. 



Moniez, 127. 



Morgan, 175. 



and Ledingham, 175. 

 Morgan's bacillus, 175. 

 Mortality, infantile, 174-178. 

 Moses, 145. 



Mucor racemosa, 181. 



Murray, 129. 



Musca corvina, 113, 164. 



M. domestica sub. sp. determinata, 111. 



M. enteniata, 112. 



Muscina stabulans, 109, 110, 119, 120. 



Muscles of body wall of larva, 73. 



Myiasis, 163, 164. 



N 



Nash, 174. 



Nasonia brevicornis, 187. 

 Nematode, 139-141. 

 ^ 7 epa cinerea, 138. 

 Nervous system of fly, 22, 26. 



of larva, 79-83. 



Nervures of wings, 17, 18, 19, 172. 

 Neuroblast, 79. 

 Newport, 71. 

 Newport's segment, 72. 

 Newstead, 56, 57, 114, 116. 

 New York harbour, 150, 151. 

 New Zealand, 108. 

 Nicholas, 155. 

 Niven, 152, 177. 

 Nuttall, 142, 153, 155, 160. 

 Numerical occurrence, 109, 110. 

 Nymph, 69. 







Occellar triangle, 8. 



nerve, 23. 

 Ocelli, 8, 23. 

 Occipital foramen, 7. 



- ring, 7. 



Occurrence. See Distribution. 

 (Esophagus of fly, 26. 



of larva, 85. 

 Oil, effect of 

 Olive, 134. 



Ophthalmia, 158-160. 

 Opticon, 23. 



Oral lobes of fly, 9, 11, 44. 



- of larva, 83. 



- pit, 11. 

 Ovaries, 36. 

 Ovipositor, 37. 

 Oxyuris, 141. 



Packard, 3, 57, 125. 



Para, 108. 



Paracephala, 7. 



Parapteron, 16. 



Paraphyses, 10. 



Parasites, true, 133, 141, 186. 



occasional, 125. 



- hymenopterous, 186. 

 Parasitic worms, 139. 



dissemination of, 141, 142. 

 Patton, 134, 135, 136, 138. 

 Penicillium glaucum, 179, 180, 181. 

 Penis, 40, 41, 65. 

 Pericardium of fly, 35. 



- of larva, 91. 

 Periopticon, 23. 

 Phalacrocera, 85. 

 Pharyngeal nerve, 24. 

 Pharynx of fly, 12, 26. 



- of larva, 84. 

 Phlebotamus, 121. 

 Physiology, 121-124. 

 Piana, 140. 

 Packard-Cambridge, 126. 



Piercing skin, inability of M. domestica, 



142. 



Plague, 160, 161. 

 Pollenia rudis, 111. 

 Portchinski, 118, 120. 

 Preventive measures, 185. 

 Proboscis, skeleton of, 9. 



musculature of, 42. 



extension of, 45. 

 Procerebrum, 23. 

 Prothorax, 13. 



Prowazek, 134, 135, 136, 137, 139. 

 Proventriculus of fly, 27. 



of larva, 85. 



