The Retardation of the Bevelopme'id of the Ova of the Herring. o 

 Incubation of Herring Ova -Temperature of the Water, etc. 





1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 U 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 

 31 

 32 

 33 

 34 

 35 

 36 

 37 

 38 

 39 

 40 

 41 

 42 

 43 

 44 



Temperature of the Water. 



(1) 

 Gravel. 



Range in 



Max. and 

 Min. °¥. 



Glass 

 Plates. 



Max. ,iud 

 Min. °F. 



(3) 

 Tin. 



o- 



3-4- 

 3-2- 



4- 

 2-5- 

 2-6- 

 2-2- 

 2-1- 

 1-9- 

 1-9- 

 1-9- 

 1-9- 

 1-8+- 

 2-2- 



2- 

 2-4- 

 2-2- 



2- 



2- 

 1-7- 

 1-9- 



2- 



1-8- 



2- 



2- 



1-8- 



1-9- 



2- 



1-9- 



1-9- 



2 



2 



1-9 



1-8 



1-8 

 1-8 

 1-8 

 1-9 

 2 



1-8 

 2-1 

 J-9 







•2 

 •2 

 ■2 

 ■1 

 •1 

 ■1 

 •1 

 •1 

 -1 

 -1 

 ■1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 

 -1 



-1 



-1 



-1 



42,40 

 42, 37 

 38, 36 

 38,36 

 38, 35 

 36,35 

 36,35 

 35 + , 35 

 35 + . 35 

 37, 35 



35, 35 



35, 34-5 

 35,34 



36, 34-5 

 36, 34-5 



36,35 



36. 35 

 35-5, 35 



35-2, 34-5 



35 2. 34-5 



35.35 



35-2, 35 

 35-2, 34-5 

 35-2, 34-5 

 35-2, 34-5 

 35-5, 34-5 

 35-5. 345 



35, 34-5 

 35,35 



35, 34-5 

 35-2, 34-5 

 35-2, 34-5 

 35-2, 34-5 



35, 34 



36, 34-2 

 35, 34-2 



35, 34 



35, 35 



35-2. 34-2 



35, 35 

 35-2, 34-2 

 35-5, 34-2 

 35-5, 34-2 

 .35-5, 34-2 



43,40 

 42,37 

 40.36 

 40,36 

 40,35 

 38.35 

 37,36 

 36, 36 

 36, 35 

 36,35 



35, 35 



36, 35 

 35-5, 34-5 



36, 34-5 



36,35 



36, 35 5 



36, 35-5 



36, 35-5 



35-5, 35 



35-5, 35 



35-5, 35 



35-5, 35 



35"5. 35 



35-5, 35 



35-2, 35 



36,35 



36,35 



35"5, 35 



36, 35-5 



36, 35-5 



36, 35-5 



36, 35-5 



35-5, 35 



35 5, 34-5 



35-5. 34-5 



35-5, 34-5 



35-5. 34-5 



36, 35-5 



36, 35 



36, 35 



36, 34-5 



36, 35 



36, 35-2 



35-5, 35 



Max. and 

 Min. °F. 



Un- 



cooled. 



IVEax. and 

 Min. °F. 



42-5, 40 

 42-5, 41 

 44-5, 43 

 42-5 

 44-5, 39 

 41-5, 41 

 41-5, 40 

 39-5 

 42-5. 40 

 42-5, 39 

 42-5. 39 

 41-5, 39 

 40-5, 39 



40-5, 38 

 41-5, 40 



41-5. 39 



41-5. 40 

 39-5, 39 

 42 



42-5, 4U 

 42-5, 41 

 42-5, 41 



43-5, 41 

 42-5, 41 

 42-5, 40 

 41-5. 39 

 405. 39 

 39-5, 38 

 42-5, 39 

 42-5, 42 



44-5, 42 

 42-5, 39 



44-5. 42 



Flow of Water.* 



Nos. 

 1 and 2. 



Tin. 



Uncool'd 

 Gravel. 



Sees. 

 95 

 20 



14,18 

 17 

 18 

 20 



38 

 75 



46 



10 



10,29 



si 



32 

 30 

 32 



The quantity of the flow of water is 

 capacity 



indicated by tlie time required to till a vessel of a 

 of 1 pint ( = '6 litrei. 



