1130 MANUAL OF DETERMINATIVE BACTERIOLOGY 



A. Specific for bacterial hosts named above. 



13. Phagus tumoris. 



14. Phagus solanacearum. 



15. Phagus citri. 



16. Phagus pruni. 



17. Phagus defor?nans. 



18. Phagus contumax. 



19. Phagus maidis. 



III. Bacteriophages attacking Salmonella enteritidis Castellani and Chalmers. 



20. Phagus enteritidis. 



21. Phagus commutahilis. 



22. Phagus tertius. 



23. Phagus dubius. 



IV. Bacteriophage attacking Salmonella typhosa. 



24. Phagus indicens. 



V. Bacteriophages attacking Bacillus megatherium DeBary, Bacillus my- 

 coides Fliigge, and Rhizobium leguminosaruni Frank. 



A. Thermal inactivation at 75° C in 10 minutes in vitro. 



1. Host may be freed from bacteriophage by heating at 80' C for 10 



minutes. 



25. Phagus teslabilis. 



2. Host retains virus even when heated at 90* C for 10 minutes. 



26. Phagus indomitus. 



B. Thermal inactivation at 60° C in 30 minutes. 



27. Phagus subvertens. 



VI. Bacteriophages attacking streptococci. 



I 28. Phagus ineptus. 



29. Phagus streptococci. 



30. Phagus maculans. 



31. Phagus lacerans. 



32. Phagus tolerans. 



33. Phagus michiganensis . 



VII. Bacteriophages attacking staphylococci . 



34. Phagus fragilis. 



35. Phagus intermedins. 



36. Phagus caducus. 



37. Phagus alpha. 



38. Phagus beta. 



