210 FISH CULTURE 



nerves of the culturist, the days of suspense are 

 not long. When the water temperature is 

 about 60 degrees, the eggs will hatch in from 

 48 to 52 hours. If the temperature is from 68 

 to 70 degrees, the little fish will emerge from 

 the shell in about twenty-four hours in the Mc- 

 Donald closed-top jars, after they have been 

 held from six to twelve hours in jars without 

 tops or caps. 



Every one who has had experience in hatch- 

 ing pike-perch dreads the deadly fungus during 

 the period of incubation, and those who have the 

 care of white-perch eggs declare that they are 

 equally liable to be similarly attacked. It is 

 not surprising that this should be the case, be- 

 cause of their adhesive character, together with 

 the higher water temperatures, both of which 

 are favourable to the appearance and spread of 

 fungus. On this account it is advisable to carry 

 only a small quantity in each jar. 



Striped Bass. Personally I have no expe- 

 rience in the propagation of striped bass. The 

 United States Bureau of Fisheries has been ex- 

 perimenting with the problem for some years, 

 and in 1904 Mr. S. G. Worth, one of its superin- 



