140 



TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



This method, further, does not estimate the carbonic 

 acid dissolved in the water as such, so in a very few 

 cases an attempt was made to estimate this by the 

 method about to be described. The results are given 

 in the general table at the end. 



Alkalinity Table. 



LOCALITY. 



Values in mgs. 



per litre 



obtained by 



direct titration 



Values in mgs. 



per litre 



obtained by 



Tornoe's 



method. 



Difference in 

 mgs. per litre 

 between max- 

 imum and min- 

 imum values 

 by Tornoe's 

 method. 



1. Landing Stage (High Water) 



57-48 



5612 



0-08 



2. Landing Stage (Low Water) 



51-11 



48-38 



0-10 



3. New Brighton 



57-48 



58-14 



0-16 





55-50 



55-32 



0-08 



5. 1 mile N. of Bar Ship 



54-29 • 



53-30 



0-08 



6. Blackpool 



53-04 



50-90 



01 



7. Peel 



53-04 



50-88 



0-12 



8. Port Erin (High Water) 



54-97 



53-64 



0-05 



9. Port Erin (Low Water) 



5302 



51-76 



0-09 



10. Fleshwick 



53-04 



50-88 



0-08 





54-30 



54-60 



009 



12. 15 miles S.E. of Douglas 



52-34 



54-86 



0-12 



13. 30 miles S.E. of Douglas 



54-30 



55-44 



o-io 



14. 45 miles S.E. of Douglas 



55-47 



55-28 



0-09 



15. Near N.W. Light Ship 



54-30 



53-30 



o-io 



16. N.W. Light Ship 



52-34 



50-22 



0-08 



17. 2 miles W. of N.W. Light 

 Ship 



53-04 



52-50 



49-70 



0-10 



18. 24 miles N.W. £ W. of 

 Walney Light 



0-08 



19. 10 miles N.W. by N. £ N. 

 from Point of Ayre Light 

 House, I.O.M 





49-54 



o-io 







