SKVENTEENTH MEETING. 147 



Mr. Macallum said it was the inability to procure suitable 

 food. They stood the first season very well, but conld not 

 procure food the second. There were no parasite^ in them, 

 they were in a perfectly normal condition. 



Mr. Brodie asked the difference between pathological and 

 normal growths. 



Mr. Macallum could not, he said, tell which was pathologi- 

 cal and which was normal, until all the conditions were 

 understood. 



