BULLETIN OF THK UNITED STATES FISH COMMISSION. 155 



with the subject, which can be acquired only after considerable experi- 

 ence. The actual hatching operations begun on February 19th aud con- 

 tinued until April 29th, when the last fry were liberated. 



Table showing the extent of cod-hatching from February 19 to April '27, 1884. 



■t 



u -t 



S m 



.a a 



o 



April 



24 



25 



26 



27 



28 



29 



30 



31 



1 



2 



3 



4 



5 



6 



7 



8 



9 



12 



13 



14 



15 



16 



17 



19 

 20 

 22 

 23 



24 

 25 

 26 

 27 



1,000,000 

 500,000 



J 375,000 

 500, 000 



850, 000 

 150, 000 

 500, 000 

 650, 000 

 450, 000 

 450, 000 

 750, 000 

 220, 000 



600,000 



200, 000 



525, 000 



585, 000 



1, 035, 000 



1, 110, 000 



1,410, 

 2, 210, 

 2, 360, 



2, 660, 

 2,910, 

 3, 060 

 3, 410, 



3, 585, 



3, 710 



4, 335 

 4, 435 

 4,915 

 4,915 

 5, 105 

 5, 165, 



5, 205 



5, 380, 



6, 380, 

 6, 880 

 7, 255, 



7, 755, 

 7, 755 



8, 605 



8, 755 



9, 255 

 9, 905 



10, 355 



10, 805 

 11,555 



11, 775 



11, 775 

 11,775, 



12, 375 

 12, 375, 

 12, 375 

 12, 375 

 12, 375 

 12,375, 

 12, 375 

 12, 375 



12,375 

 12,3' 

 12, 375, 

 12, 375, 



12,575, 

 12, 575, 

 12, 575, 

 12, 575 



000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 



coo 



000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 



000 

 000 

 000 

 000 



000 

 000 



ooo 



000 



to 



SB 



200, 000 



75, 000 



500, 000 



275, 000 



400, 000 



800, 000 



1, 100, 000 



600, 000 

 150, 000 

 100, 000 

 200, 000 

 125, 000 

 95, 000 



575, 000 

 785,000 



440. 000 

 300, 000 

 530, 000 



230,000 



*12, 575 000 7, 480, 000 



ft 



eg 



© 



•" • 



a a 



o a 

 o a. 



.' 



525, 000 

 385, 000 

 835, 000 

 835, 000 



1, 135. 000 



1, 935, 000 



2, 085, 000 

 2, 385, 000 

 2, 635, 000 

 2, 785, 000 

 3,135,000 

 2, 810, 000 



2, 935, 000 

 3,'5G0, 000 



3, 665, 000 

 3, 815, 000 

 3,410,000 

 2, 860, 000 

 1, 760, 000 

 1, 800, 000 



1, 915, 000 



2, 205, 000 

 2, 555, 000 



2, 830, COO 



3, 090, 000 

 2,915,000 

 3, 603, 000 

 3, 785, 000 

 3,615,000 

 3, 345, 000 



3, 795, 000 

 4, 245, 000 



4, 995, 000 

 5,215,000 



5, 215, 000 

 5.215.0C0 

 5, 375, 000 

 4, 995. 000 

 4, 425, 000 

 4, 405, 000 

 4, 385, 000 

 4, 375, 000 

 4, 120, 000 

 3, 700, 000 



% 





Water at 8 a m. 



50, 000 

 5, 000 



60, 000 

 110, 000 



40,000 

 50, 000 

 10, 000 

 25, 000 

 95, 000 

 135, 000 



80, 000 

 40, 000 

 20, 000 

 20, 000 

 10, 000 

 255. 000 

 420, 000 



2,700,000 1,000,000 



2, 450, 000 

 1. 990, 000 

 1. 490, 000 



1,290.000 



1, 040, 000 



440, 000 



20, 000 

 460, 000 

 500, 000 



400, 000 

 250, 000 

 600, 000* 

 440, 000 



5, 095, 000 



1.020 

 1.022 

 1.024 

 1.022 

 1.019 

 1.019 

 1.018 

 1.018 

 1.024 

 1.025 

 1.024 

 1.022 

 1.020 

 1.019 

 1.022 

 1.021 

 1.024 

 1.025 

 .024 

 .025 

 .019 

 .023 

 .027 

 1.027 

 1.025 

 1.020 

 1.021 

 1.020 

 1.020 

 1,020 

 1.019 

 1.020 

 1. 0C5 

 1.017 

 1.018 



1.025 

 1.020 

 1.020 

 1.021 



1.021 

 1.024 

 1.023 



83 



u 



36. 

 36. 

 37. 

 36. 

 38. 

 39. 

 38. 

 38. 

 37. 

 37. 

 38. 

 37. 

 38. 

 39. 

 39. 

 39. 

 38. 

 38. 

 41. 

 41. 

 39. 

 39. 

 39. 

 40. 

 41. 

 40. 

 41. 

 41. 

 40. 

 43. 

 42. 



41. 



41. 

 42. 

 41. 



41. 

 41. 

 41. 



Remarks. 



No eg«s were re- 

 jected from Feb- 

 ruary 26 to March 

 7, because all of 

 them were so 

 fouled by impure 

 water that it was 

 impossible t o 

 separate them. 



Liberated at Hove- 

 kilen. 



Liberated at Lan- 



gevig. 



Eggs and young. 



* Maximum daily number of eggs. 



