500 
The Iiifiiicnce of Lime on the 
the quantity of the sand, &c., which was done in the usual wav by 
washing the soil till all the clay had been separated from tlie 
heavier portions. 
Experiment No. 8. 
First Analysis — 
5000 grs. soil boiled for half an hour with water and 
washed by subsidence and decantation, gave of 
sand 2520 grs. eciual to 50 ••40 per cent. 
Second Analysis — 
5000 grs. treated in the same way, gave of 
sand 2 "370 grs. equal to 47*40 „ 
Mean of the two Experiments, gives sand 48 "90 ., 
This soil was also examined for carbonate of lime, of which it 
contained 2" 98 per cent. 
The following results were obtained with the soil No. 16 of the 
London clay, similar to No. 15, but taken at a depth of from 
18 inches to 2 feet below the surface : — 
Experiment No. 9. 
Soil No. IG 2,000 errs. 
Lime-water 28,000 „ 
After 1 hour's digestion the liquid was examined with the fol- 
lowing results : — 
First Analysis- 
Carbonate of I.imo. 
1500 grs. gave 1-30 equal to 0-485 lime in 1000. 
Second Analysis — 
1500 grs.',, 1-32 ,, 0-492 ,, 
Mean of the two Analyses .. .. 0-4885 
Or 1 3-078 in 28,000 grs. 
Ijme in 28,000 grs. of original lime-water 27-916 
Ditto after 1 hour's digestion with tlie soil 13-678 
Absorption by 2000 grs. soil 14-238 
Or an absorjjtion of 7 ■ 1 19 by 1000 grs. 
Experiment No. 10. 
The same soil and lime-water — a second portion drawn off 
after 48 hours' digestion. 
First Analysis — - 
C'aibimatc of I.inic. 
1500 grs. gave 1-23 equal to 0-460 linio in 1000. 
Second Analysis — 
1500 grs. , 1-20 „ 0-450 ,, 
Mean of the two Analyses 0-455 „ 
Lime in 28,000 grs. of original lime-water 27*916 
Ditto after 48 hours' digestion with the soil 12 740 
Absorption by 2000 grs. soil 15*176 
Or an absoi-ption of 7*588 by 1000 grs. 
