78 Modern Fishcidture in Fresh and Salt Water. 



tal! And if the promised trout eggs come in equally 

 good shape I will be happy." 



CHAPTER IV. 



CARE OF TROUT EGGS. 



These things will kill your eggs in the troughs or 

 in the nests, or redds, in the stream : The sun is deadly ; 

 two minutes of direct sunshine through a crack will 

 kill every egg it strikes. Sediment will close the pores 

 in the egg and smother the embryo. A sudden jar on 

 the trough, a heavy weight falling on the floor or con- 

 cussion of any kind will either kill or deform the em- 

 bryos, according to their stage of development. Rats 

 and mice will eat the eggs, and one dead egg will kill 

 all that it touches if left until fungus forms on it say 



