— 0/ — 



4° The greater the dose of tubercu- 

 line, the greater the number of 

 tuberculous animals which react 

 under its influence 

 5°. It is of positive convenience to 

 take the temperature every two 

 hours, from the moment of the 

 injection . 

 To conclude, it has been proved in 

 the Quarantine Lazaretto, that by the 

 repetition of the injections, the system 

 acquires a toleration, to such a degree, 

 that there is no longer any reaction, or it 

 is produced in such an irregular manner, 

 that it is imposible to take the results 

 into account. Such conclusions, which 

 have also been obtained in other coun- 

 tries, have taken from the hypodermic 

 injections a great part of the value as- 

 cribed to them, as indispensable diag- 

 nostical system, and have thrown light 

 upon the frauds committed in the cow- 

 sheds, and cattle Lazarettos. 



On the other hand, the Division of 

 Cattle has proved: 



