310 APPENDIX. 



can be no mistake or doubt whatever in this case. Here 

 are the grilse, all making their appearance at the same 

 time, not one of them coming in at the expected time, viz. 

 in two, three, or four months, but without exception tak- 

 ing fifteen and sixteen months, all evidently guided by the 

 same rule and the same instinct. The facts are very clear, 

 and there can be no confusion of seasons or dates in the 

 matter, because there were no salmon in the lakes pre- 

 viously. I will not comment upon this singula!r fact. It 

 does not prove that all salmon stop in the sea fifteen or 

 sixteen months, but it proves that which I have often 

 asserted, viz. that some do. Francis Francis. 



Sir, — The accompanying note from Mr. Eamsbottom, 

 correcting some little misapprehension of mine as to the 

 operations at DoohuUa, has been sent to me. It will be seen 

 that the result of Mr. Eamsbottom's experiments in this 

 instance give a widely different result from most of those 

 we have hitherto had under our consideration. Here we 

 have grilse that take nearly four years to come to maturity, 

 whereas in former instances it has been proved, apparently 

 to satisfaction, that grilse of a larger size have been pro- 

 duced in abdut eighteen months — a variation, I need 

 scarcely point out, of a very astonishing kind. 



Francis Francis. 



" Dear Sir, — I feel it to be my duty to drop you a line, 

 for two causes : — First, I beg to tender my thanks for the 

 very able manner in which you laid before the public, on 

 Saturday last, the 5th inst. our piscicultural doings at 

 Doohulla. Secondly, I also beg respectfully to call your 



