BY PROFESSOR CROOKSHANK. 41 



guinea-pigs lesions similar to those caused by the butter 

 bacillus. Another pseudo-turbecle bacillus has been isolated 

 from manure and from the excrement of cows -and other 

 herbivora. Other bacilli of this class have been found by 

 Fraenkel and Pappenheini in pulminary gangrene and other 

 morbid conditions of the lungs, and by Moeller in nasal and 

 pharyngeal mucus. 



PKEVENTION OF CONSUMPTION. 



With regard to the prevention of consumption, this must 

 be left principally to the sanitary inspector and the medical 

 officer of health. We must not concentrate all our energies 

 upon the destruction of tubercular sputum, but give much 

 more attention to those insanitary conditions which are respon- 

 sible for the causation of tuberculosis. This is a matter which, 

 in Brisbane, can be safely left in the hands of the energetic 

 Commissioner of Health. Dr. Ham has before him a career 

 of great usefulness in this city, but if he were to do nothing 

 more than what he has already achieved, he would deserve to 

 be remembered with gratitude by the public of Brisbane. I 

 refer more particularly to the institution of a Queensland 

 branch of the London Sanitary Institution, the recognised 

 authority for granting certificates qualifying persons as Sanitary 

 Inspectors. This will have a far-reaching effect in obtaining 

 and maintaining a high state of sanitation in this town. 

 I regard the trained Sanitary Inspector as the most formidable 

 opponent of diseases such as diphtheria, typhoid, cholera, 

 plague, and yellow fever, which flourish wherever insanitary 

 <!onditions prevail. If only Sanitary Inspectors could, without 

 let or hindrance, carry out their duties under the direction of 

 one central authority, we should soon hear of a reduced death 

 rate and far greater immunity from epidemic diseases. The 

 work of Sanitary Inspectors is one which ought to be more fully 

 appreciated by the public, and instead of hindrances, facilities 

 shoald be put in their way when carrying oat duties which 

 involve the general health of the community and the saving of 

 many human lives. 



As regards the relation between tuberculosis and in- 

 sanitary conditions, we have some evidence forthcoming from 

 the study of the disease in animals. Tuberculosis, for in- 

 stance, is peculiarly liable to occur among birds and animals 

 kept in captivity ; poultry and guinea-fowls, and ostriches, and 



