44 MARINE AND FISHERIES 



6-7 EDWARD VII., A. 1907 



British Columbia Cedar. 



Weight 

 of 



Sawdust. 



"V^olnTiiG 

 Wsitsr c. c. 



Time 

 Soaking. 



Time at which 



minnow 

 was immersed. 



Results. 



2 grams. 



300 







10.15 a. m. 



2.51 p.m. 



Lived 6 minutes. 





400 





6 







500 







II 15 







600 







„ 53 







700 







11 43 







800 







1. 1 hour and 9 minutes. 







900 







Jumped out of dish unnoticed. 







1000 







Lived 1 hour and 32 minutes. 







1200 







„ 1 „ 36 







1500 







„ 3 u 50 







1700 







1. 3 n 29 1, 





Hemlock Bark. 



Bark. 











2 grams. 



300 

 400 

 500 

 600 

 700 

 800 

 900 

 1000 

 1200 

 1500 

 1700 



10.10 a. m. 

 i> 



II 



2.36 p.m. 



II 



II 

 It 



Lived 55 minutes. 



11 1 hour and 32 minutes. 

 " 1 II 43 

 11 1 ,1 49 

 II 2 hours. 



11 1 hour and 32 minutes. 

 Jumped out of dish unnoticed. 

 Lived 2 hours and 18 minutes. 



1, 3 ,1 24 



„ 4 



1. 4 1. 15 



Hard Maple Sawdust. 



2 grams. 



300 



From lo, 38 a.m. 

 July 15. 



Julv 15, 

 3.30 p.m. 



Lived 2 hours and twenty minutes. 



II 



400 

 500 

 600 

 700 

 800 

 900 

 1000 



1200 

 1500 



1700 



9 

 II 



II 



July 21, 10 a.m. Still alive. 



11 16. Died last night. 



,1 21, 10 a.m. Still alive. 



II 16. Died last night- 



11 21, 10 a.m. Still alive. 

 Lived only 2 hours. 

 July 18. Died between 4 p.m. and 

 8 p.m. 



Lived 3 hours and 30 minutes. 



July 18. Died between 4 p.m. and 



8 p.m. 

 July 20. Died 3 p.m. 







This experiment was discontinued July 21, 10 a.m. 







Ontario Cedar Bark. 





2 grams. 



300 

 400 

 500 

 600 

 700 

 800 

 900 

 1000 

 1200 

 1500 

 1700 



10.20 a.m. 



2.41 p.m. 



Lived 37 minutes. 



It 1 hour and 20 minutes. 

 II 50 minutes. 

 „ 50 



II 1 hour and 20 minutes. 



II 1 ,1 31 



„ 1 II 40 



1, 1 1, 57 



,1 2 hours 10 II 



11 4 II 



M 4 11 20 ■ ,1 



