20 
TABLE VI. 
Showing rate at which Mytilus edulis L. was destroyed by Astervias under laboratory con- 
ditions. 
a 
we bo. 
5 EL 
tg Oo Yv 
WY) oo 
ee = 
yates eee 
S o-3 
ZS Zio 
2 2 
2 2 
2 2 
Z 2 
2 2, 
2 Y 
2 2 
2, 2 
2 2 
2 By 
2 2 
2 2 
2 2, 
Z 2 
2 2 
2 2 
Sept. 
Sept: 
Sept. 
Sept. 
Observation. 
. 10 
13 
16 
17 
19 
bservation. 
ime of 
ig 
O 
3.15 p.m. 
10.55 a.m. 
11.00 p.m. 
8.30 p.m. 
10.00 a.m. 
10.00 a.m. 
9.00 a.m. 
10.00 a.m. 
9.00 a.m. 
9.05 a.m. 
3.00 p.m. 
3.00 p.m. 
3.45 p.m. 
4.15 p.m. 
3.00 p.m. 
9.30 p.m. 
n vo 4 
oZ | 9s : E 
SOM en Mea = E : 
ool Sas pe ee ae wee aes 
S Y oD fee setise ss bs $ © 
SEBa/ oa oS o 3 
PA Eau qialr tisha a siete) Z 
19.6 4 8.5-10.5 
24.9 9° nm 
Aa 16 os 
1305 0 
24 8 us 
23 3 ay 
25 10 of 
23 4 ss Removed all 
mussels. 
: Added larger 
mussels. 
DIO 22a 
46 6 OB ay BPP, 
Pallintiy  Ush5) 
Results 
spoiled 
25202040 
72.8 6 D220 ree2ilenty 
PA ai) PAL 
IS ay SA(0) 
WD 7 PAT dye 1A) AF 
Pda Se ANG) S (58 
20.5 
PAT lay Ses 
DIDS 5 UGE, iad 
19.5 
42.5 33 TORS a iliaes 
16.0 
34 
