420 
DR. E, J. SALISBURY ON THE 
In the case of soil (1) the specific acidity was 794, so that in this case the 
earthworm action has resulted in a diminution of nearly 75 per cent. 
8 
Les 
$ 
Specific acidit 
a? T 
o 
T 
d 
l, Festuca Agrostis. Loc, A. 
2. Calluna- Triodia. 
3. Quercus Robur-Corylus, Wood. 
4, Festuca-Agrostis. Loc. B. 
5. Q. Robur-Corylus. Wood. 
6. Nardetum. 
"0-1 
— LL — LL mm 
Qo IT Dre LI = © 
5? 
) 
Wormceasts 7 
Soil 
Hertford H 
Holm waod. 
. Polytrichum- Agrostis. 
Q. Robur-Corylus, 
. Serub, Markyate. 
© Q. Robur-Corylus. 
. Chalk pasture, 
. Alluvial meadow. 
. Chalk pasture. 
Range 
z — 
z — 
€ 
Fra. 9, 
e 
Average sp 
reaction 
esie 
of the 
ormcasts 
oùl and 
rom 18 localities 
TABLE V. 
(Neutral Water pH 7:03=1.) 
eath. 
00-594, 
Loc. A. 
. Polytrichum juniperinum-Ayrostis, 
. Q. sessiliflora. 
9. Pasture, Colney Heath. 
Difference in sp. Acidity ... 
Loc. B. 
$ ecitic 
Alkalinities 
5-3- 
52- 
54-3 
Differences in Specific Acidity between Soil and Wormeasts. 
—59:4 (S-W) 
" , —39:6 
„ u — 38-0 
„ „ — 25] 
^ ^ > — 14:0 
” ” ” —16:0 
” " ” = T4 
“+ ” » — 95 
” ” — 50 
” " " -= 25 
N » x — 28 
LE ” TT € ‘0 
” » m NS 
" " + 12 
” LE) ” + 0°32 
Difference in sp. Alkalinity .. 0-0 
” ” ” — 04 
” " " — 04 
Mean Difference = 129. 
