English Salmon in Australia. 139 



that only about 200 looked as if likely to 

 hatch, these being all out of one box which 

 had been packed by Mr. Toul. After about a 

 fortnight these commenced to hatch, and 

 about 150 fine healthy young fish were the 

 result. These seemed to thrive well for a 

 time, but after a few days became unhealthy, 

 and commenced to die off without apparent 

 cause. On a close examination I found that 

 some iron pipes had been laid to carry the 

 water through a dam, and these had been 

 coated over with tar, as is usually done to 

 prevent corrosion. I had this water at once 

 cut off, and used only the spring water, which 

 I had before refrained from using on account 

 of its high temperature. The fish continued 

 to die, but a few seemed to improve. They 

 all continued to grow rapidly. Even those 

 that showed evident tokens of being fatally 

 attacked grew larger every day. The first 

 symptom of the ailment was a small white 

 spot on the umbilical sac ; after this appeared 

 the fish became dull and sluggish, and swam 

 round in a circle. The white speck increased 

 in size, and in about a week generally proved 

 fatal. A few survived, and of these some 



