154 APPENDIX. 



barkation in the Norfolk, and 136 days when placed 

 in our Ponds. 



They had been sent out by Mr. Youl with the 

 special object of further ascertaining for what 

 period the process of hatching might be retarded 

 beyond the natural period. 



Of these Ova few were found to have survived, 

 but most of those that were still living already 

 exhibited the eyes and outlines of the fish within. 



Among the others of shorter age, and especially 

 the Trout Ova, the same encouraging proofs of 

 development were soon perceived. 



On the 4th of May (1864) the first Trout made 

 its appearance, followed on the succeeding day by 

 the first Salmon that had ever been seen in Aus- 

 tralia, or south of the equator. 



The further hatching of the Trout and Salmon 

 proceeded very slowly for some days, but then 

 became more rapid — especially among the Trout. 

 Among these the process was completed about the 

 25th day of May, producing upwards of 200 healthy 

 fish. 



The hatching of the Salmon was more pro- 

 tracted, and was not concluded until the 8th of 

 June, on which day the last little fish was observed 

 making its escape from the shell. 



As they continued to make their appearance from 

 day to day, their numbers were counted by Mr. 



