Education and character in the control of syphilis, 160 as means of controlling contagiousness of syphilis, 122 Ehrlich, Paul, 70 Engagements, syphilis contracted during, 117 to marry in syphilitics, precautions in connection with, 129 England, action of, against drug stores prescribing for syphilis, 176 provision for treatment of venereal disease in, 169 treatment not compulsory in, 180 English-speaking countries, attitude on Metchnikoff prophylaxis in, 177 Eruptions, absence of, in serious syphilis, 46 effect of mercury on syphilitic, 64 in hereditary syphilis, 100 non-syphilitic, 37 recurrent, 42, 43 secondary syphilitic, 36 syphilitic, effect of salvarsan on, 74 Estimate of damage caused by syphilitic eye trouble, 103 of frequency of relapse and recurrence in secondary syphilis, 125 of increase of syphilis during war, in Paris, 183 of percentage of marital syphilis, 119 of percentage of non-genital syphilis, 119 of prevalence of gonorrhea, 26 of syphilis, 24, 25 of risk of infecting wife, 125 of syphilis in prostitutes, 134 Examination, medical, before marriage, 130 limitations of, in detecting contagiousness, 123 Excesses, effect of, on the syphilitic, 137 Expense of treatment, effect of, 77, 84, 149 Expert advice, importance of, 32 in secondary stage of syphilis, 86 in pay patient clinics, 174 services, value of, in control and treatment of syphilis, 173 Eye trouble in hereditary syphilis, 103 in later life, 105 in secondary syphilis, 36 Eyes, secondary syphilitic recurrences affecting, 43 FAMILY, economic forces working against, 158 transmission of syphilis in, 116 Fathers of families, encouragement of early marriages by, 159 syphilis in, 93, 126 Fiancee, non-genital chancre in, 129 First sore, 29. _See also chancre_ Fist chancre, 116 Five-year rule, 124, 126, 129 in relation to marriage, 126 Founder's estimate of prevalence of syphilis, 24 France, increase of syphilis in, during war, 183 GAUCHER'S estimates of increase in syphilis during war in France, 183 Genital syphilis in lax individuals, 133 Genitals, contagious sores on, 38, 112 fitness of, for harboring germs of syphilis, 118 Germ of syphilis, 40. _See also Spirochaeta pallida_ Germany, action of, against drug store prescribing for syphilis, 176 attitude on Metchnikoff prophylaxis in, 177 compulsory treatment of venereal disease in, 180 sentiment against reporting of venereal disease in, 179 society for preventing sexual disease in, 164 syphilis in, 25 Germs, behavior of, in various diseases, 40 Glands, enlargement of, in neighborhood of chancre, 33 in chancre of the lip, 33 Gonorrhea and syphilis, measures to prevent spread from army to general population, 183 concealment of chancre by, 31 confusion of, with syphilis, 13, 16, 31 drug store treatment of, 175 estimated prevalence of, 26 in prostitutes in Baltimore, 134 Gonorrhea, transmission of, by toilet seats, 114