OLD JOHN, TIM, & OTHERS 187 



"the trout or grayling have been taken 

 "in waters fished daily, or in compara- 

 " tively wild parts where they seldom see 

 " an artificial fly. In rivers where in the 

 " memory of man no stocking had taken 

 "place, or in others, which, from neglect 

 "or other causes, had been depopulated, 

 " and where, therefore, a fresh generation 

 " of trout had been turned in from the 

 "pisciculturist's ponds, the experience 

 "has ever been the same. The earliest 

 "autopsies taken do not differ at all in 

 "this respect from those of the latest 

 " date. 



" In the case of certain of the Ephe- 

 " meridse ' either the mother alights upon 

 " ' the water at intervals to wash off the 

 " ' eggs that have issued from the mouth 

 " ' of the oviducts during her flight ; or 

 " ' else she creeps down into the water 

 " ' (enclosed within a film of air, with her 

 " ' wings collapsed so as to overlie the 

 " ' abdomen, and with her setae closed to- 

 " ' gether) to lay her eggs upon the under- 

 " ' side of stones, disposing them in 



