swallowed by snake (Manila), 111 Rats, collection and forwarding of (Manila), 122, 123 Recovering plague bacilli from circulating blood, 134 Roberg, Dr. David, 154 Stability of virulence of B. pestis, 36 Spread of plague in recent years, 23 Suppression of plague, 40 San Lazaro Hospital, Manila, 13, 69, 161 Schöbl, Dr. Otto, 14, 29, 30, 76, 96, 127 Strong, Dr. R. P., 16, 36, 38, 59, 135 Sixth century, plague in, 20 South America, plague in, 22, 26 Siam, plague in, 25 Suez, plague in, 22 South Africa, plague in, 22 Scotland, plague in, 22 Sumatra, plague in, 25 Straits Settlements, plague in, 25 Simpson, Dr. W. J. Suctorial parasites in plague conveyance, 33 Seasonal conditions, effect on epidemics of, 34 on rats of, 34 on Bacillus pestis of, 34 on flea prevalence of, 34 Subacute plague in rats, 35 Spontaneous abatement of cholera, 35 Secondary plague pneumonia, 39 Summary of prevention problem, 37 San Francisco, plague campaign in, 41 Ships, fumigation of, 46 Starving rats, 47 Ships, rat infestation of, 50 Summary of prevention for community, 56 Ship cargoes, disinfection of, 56 Sick, isolation of, 56 Steamer, Loongsang, 59 Taisang, 59 Spread of plague in Manila, favorable conditions for, 61 Sleeping quarters, ground floor, 72 Swellengrebel, Ph.D., N. H., 77 Seasonal explanations of plague prevalence, 81 Sanitary orders, Manila (garbage cans), 93 Ship rat, 99 Sewer rat, 99 Sawah rat of Java, 100 Swimming ability of rats, 102 Size of rat litters, 102 Simpson, surgeon, U. S. P. H. Service, 103 Studies of rat cadavers in Java, 104 Snakes in rat traps (Manila), 111 Snake, rat swallowed by (Manila), 111 Specimen, sanitary orders, 116-121 Sanitary Board (Hong Kong), the work of, 158 Symptomatology of plague, 171 Serum treatment of plague, 174 Symptomatic treatment of plague, 174 Statistical studies in mortality, 174-176 Serum administration, dosage and technique of, 176, 177 Types of plague, 30 Treatment of plague, 165 Turkey in Asia, plague in, 25 Tarbagan, 28 Teague, Dr. O., 38 Terrier dogs as rat catchers, 55 Terrier dogs as rat catchers on farms, 55 Tondo district, Manila, rat plague in, 68 human plague in, 68 Taking charge of plague suppressive measures, Manila, 70 Tondo, light material houses in, 71 Tondo, Manila, habitations and plague, 83 Theatre disinfection, Manila, 93 Time of death of rat as indicated by postmortem changes, 104 Transmission of plague by blood-sucking insects, 137 Trained bacteriologist, necessity for, 167 Treatment, conditions, and prognosis, 173 serum, of plague, 174 symptomatic, of plague, 174 Technique and dosage of serum administration, 176, 177 United States Public Health Service, 26 rat fleas of, 32