1918] Coccobacillus Acridiorum D'Herelle 39 



Table VII. 

 Three animals injected with an emulsion of intestinal contents of last one 

 dead in previous experiment. 9 9 M. femur- rubrum used. 2nd passage. 



No. of days 12 3 4 



No. of deaths .3 



Three animals dead in last experiment "tested." B. poncei not recovered. 

 Other organisms recovered. 



Table VIII. 



Five animals injected with a 24-hour culture of B. poncei in nitrate solution. 

 9 9 Encoptolopfms sordidus used. 



No. of days 12 3 4 5 6 



No. of deaths 2 1 11 lived 



Table IX. 

 Five animals injected with an emulsion of intestinal contents of last one dead 

 in previous experiment. 9 9 Encoptolopfms sordidus used. 1st passage. 

 No. of days.... 12 3 4 5 6 7 



No. of deaths.. 1 11 2 lived 



Animals dead on 6th and 7th days "tested." B. poncei not recovered. Other 

 organisms recovered. 



Table X. 

 Five animals injected with an emulsion of intestinal contents of last one dead 

 in previous experiment. 9 9 Encoptolopfms sordidus used. 2nd passage. 



No. of days 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 



No. of deaths Ill 11 



Animals dead on 12th, 17th and 19th days "tested." B. poncei recovered from 

 animal dead on 12th day. Other organisms recovered from remaining two tests. 



Table XI. 

 Thirty- five animals injected with a 24-hour bouillon culture of B. poncei. 9 9 

 M. femur-rubrum used. 



No. of days.... 123456789 10 11 

 No. of deaths.. 9 7 12 4 2 1 



Three dead animals "tested" on 4th day as well as last seven dead. Recovered 

 B. poncei three times. Other organisms recovered in remaining tests. 



Table XII. 

 Nineteen animals injected with a 24-hour bouillon culture killed by sterilizing 

 in autoclave. Sterility verified by inoculating various media. 9 9 M. femur- 

 rubrum used. 



No. of days... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 

 No. of deaths 23 91111 1 



Six animals "tested." B. poncei not recovered. Two tests showed cultural 

 sterility; four showed presence of other organisms. 



Table XIII. 



Nine animals enclosed in a battery jar and food sprayed with a 48-hour culture 

 of B. poncei. Proportions of sexes not noted, but d^ cf and 9 9 of M . femur-rubrum 

 used. 



No. of days 123456780 10 



No. of deaths 2 2 5 



Five dead animals "tested." B. poncei not recovered. Other organisms 

 recovered. 



