Mortality, 22, 23, 174, 175 Menace of plague, 28 Manila, plague in, 26 Manufacture of anti-plague serum, 18 Middle Ages, plague in, 20 Mexico, plague in, 22 Mauritius, plague in, 22, 25 Mediterranean ports, plague in, 22 Marmot, Asian, 28 Mice, fleas of, 32 Manchuria, pneumonic plague in, 37 Methods of entry of rats into ships and cars, 52 Mouse-typhoid bacillus of Loeffler, 53 Murium, B. typhi, 53 Manila, Anti-plague Campaign in 1912-1914 in, 57 epidemic, 1912-1914, 57 plague at quarantine in, 58 importation of plague from Hong Kong in 1912, 58 Mariveles Quarantine Station, 59 Manila epidemic, beginning of, 60 Mortality and numbers of Manila plague cases, 61 Manila cases in 1912, first, 62 geographic grouping of plague cases in, 63 R. R. station focus, 64 dispersion of fleas from rat cadavers, 65 close of year 1912 in, 67 Malolos, P. I., plague in, 69 Manila, taking charge of plague suppression measures in, 70 plague fighting organization in, 71 rat plague in U. S. Army Commissary warehouse, 76 habitations and plague, 83 light material house, 85 general cleaning campaign, 88 theatre, disinfection in, 93 Mus rattus, 99 alexandrinus, 99 Mus decumanus, 99 ferocity of, 102 Manila, breaking up of rat nests, 106 driving out rats by formaldehyde gas, 106 rat killing with dogs, 107 rat nests in trees, 110 snakes in rat traps, 111 rat swallowed by snake, 111 Multiple house infection (Manila), 112-117 Manila, collection and forwarding of rats, 122, 123 Mr. C., case of Manila, 124, 125 Manila, bacteriologic observation, 127 outbreak of plague among experimental animals, 139-145 conclusions from observation of plague outbreak among experimental animals, 146 San Lazaro Hospital, 13, 69, 161 location of rat cadavers in relation to human plague cases, 162, 163 Mortality, statistical studies in, 22, 174, 175, 176 McCoy, Dr. C. W., 31 New Orleans, plague in, 26 Natural enemies of the rat, 43 National aid, necessity of, 56 Numbers and mortality of Manila plague cases, 61 Nest materials, 86 Natural enemies of the flea, 97 Norway rat, 99 Notes on rat runs, 105 nests, 105 food, 105 Natural plague infection in a cat, 149-154 Notes on plague in Hong Kong by Dr. Roberg, 153-160 Non-biologic diagnosis, 169, 170 Objection to domestic cats and dogs as flea carriers, 55 Order Rodentia, 99 Outbreak of plague among experimental animals (Manila), 139-145 Observations of animals suspected of plague, 146-149