ON THE CIRCUJjATION OP UNDERGROUND WATERS. 103 



Total solid matter in solution 15 



Organic carbon '074 



Organic nitrogen '066 



Ammonia "002 



Nitrogen as nitrites and nitrates •345 



Total combined nitrogen '413 



Chlorine 3'7 



Hardness, total 4g° 



Suspended matter clear and bright. 



9. No drift ; base of Keuper Sandstone, upper soft Bunter Sandstone, Pebble-beds. 



10. No drift. 11. There are none. 12. There is a fault close to the well, with a 

 thi-owofabout70ft. 13. No. 14. No. 15. No. 



George H. Morton, Birkenhead Commissioners, per Mr. W. T. Callow. 

 1. Spring Hill, Claughton, Birkenhead. 2. 125 ft. 3. Shaft 95 ft. deep (2 shafts 



7 ft. diameter); bore-hole 395 ft. from surface. 4._ 115 ft. from the surface. 



5. 5 million galls, per week are obtained by pumping night and day. 6. Does not 



vary ; has diminished 20 ft. since 1858. 7. No. 8, Eesult of analysis expressed 



in parts per 100,000:— 



Total solid matter in solution 21 



Organic carbon "HO 



Organic nitrogen '062 



Ammonia "002 



Nitrogen as nitrites and nitrates .... "253 



Total combined nitrogen '317 



Chlorine 3'1 



Total hardness _ lOJo 



Suspended matter clear and bright. 



9. No drift; base of Keuper Sandstone; Upper soft Bunter Sandstone. 10. No 

 drift. 11. There are none. 12. No, not very near. 13. No. 14. No. 15. No. 



Wirrell Waterworks Company, Prenton, Birkenhead. 

 1. Prenton valley, 3 miles S.W. of Birkenhead. 2. 80 ft. 3. 90 ft., diameter 

 about 12 ft., bore 295 ft., diameter 18 in. 4. 68 ft., fills rapidly pumping. 

 5. About 2,000,000 galls. 6. No. 7. No. 8. Very pm-e and good. 9. Boulder- 

 clay about 10 ft., the rest Upper Bunter, but the bore-hole chiefly in the -jDebble- 

 beds. 10. No. 12. Only of the ordiuarj' kind. 13. No. 14. No. 15. No. 



1. Wirrell Waterworks, Oxton, near Bii'kenhead. 3. 22' 6"x4', 369'xl5". 

 5, 750,000 galls. 9. White and Red Sandstone, chiefly red. 



Tranmere' Local Boai-d, per Mr. W. A. Eichardson, C.E, 

 1. Harjpy Valley, western side of the township of Tranmere. 2. 89 ft. 15 in., 

 3. 128 f^t., 9 ft. diameter of shaft ; bore-hole 250 ft., 9, 6, 4 in., and 130 ft. 

 15 in. from hottom of well ; 378 and 318 ft. from surface. 4. 78 ft. 8 in. below surface. 

 5. 720,000 galls. 6. No ; it has diminished 9 ft. 6 in. in 10 years, but only 2 ft. 1 in. 

 during the last 8 years. 7. No ; 23 ft. 2 in. above sea-level. 8. Clear, pure, and 

 tasteless ; about 8-75 degrees of hardness; analysis : — 



Grains per gall. 



Free ammonia 0-0035 



Ammonia derived from organic matter 0'0018 



Organic matter, exclusive of nitrogen 00180 



Carbonate of lime and magnesia 5-8770 



Carbonate of soda 1-6960 



SiUphate of lime 3-5720 



Nitrate of magnesia 0-9640 



Chloride of sodium 38440 



Silicic acid, a mere trace. 



15-9763 



9. 15 ft. of drift ; no clay : Upper soft Bunter Sandstone. 10. No. 11. There 



