Trout Breeding. 71 



was taken before the trout were stripped and with a 

 scale which might not be regarded as entirely accurate, 

 but approximately so. Some of these trout had appar- 

 ently dropped part of their eggs before being captured : 



No. of 



Total for 29 trout 31 6% 



1,394 



2,665 



492 



615 



2,563 



2,358 



130 



1,312 



820 



410 



615 



308 



820 



923 



615 



1,025 



2,665 



923 



820 



718 



1,845 



656 



1,948 



2,563 



1,845 



1,074 



1,845 



2,665 



1,948 



38,580" 



My estimate given below is not as large as this, but 

 Mr. Titcomb gives figures from a record, while mine, 

 written before I saw his, is merely an estimate such 

 as would be given offhand in reply to a question. 



The flow of water in a hatching trough should be 

 about 100 gallons per hour for each 10,000 eggs. 



If the work is distant from a hatchery there should 

 be troughs or trays for developing the eggs as they 

 are taken. These will be treated in another chapter. 

 In gathering eggs in streams on Long Island my men 



