M. Y. Lebour 
357 
A detailed list of the experimental mussels showing the number 
opened and the parasites contained in them is here given. 
Table showing the number of mussels examined and the Trematodes 
they contained. 
Tank B 
Tank 
A 
Date 
No. of mussels 
examined 
Trematodes' 
found 
No. of mussels 
examined 
Trematodes 
found 
a. 
0 
, 
0 
30 Oct. 
6 i 
c. 
cl. 
0 
0 
6 
0 
e. 
1 
in liver 
/. 
1 in foot 
fa. 
0 
b. 
1 in foot 
6 Nov. 
r 
O ^ 
c. 
2 
>> 
5 
0 
d. 
2 
J J 
e. 
3 
> > 
a. 
2 in foot 
b. 
2 
>> 
18 Nov. 
6 H 
- 
d. 
3 
3 
} 9 
9 9 
6 
0 
e. 
4 
9 9 
V- 
5 
9 9 
a. 
3 in foot 
»• 
1 
9 9 
26 Nov. 
6 
c. 
d. 
2 
0 
9 9 
6 
0 
e. 
1 
in foot 
[ f ■ 
1 
9 9 
a. 
5 in foot 
b. 
5 
9 9 
8 Dec. 
6 - 
c. 
d. 
5 
3 
9 9 
9 9 
6 
0 
e. 
3 
99 
/. 
1 
9 9 
My best thanks are due to Miss A. M. Carr who has kindly looked 
after the experiments and forwarded specimens to me from time to 
time. I am likewise indebted to Captain G. J. Robinson, Harbour 
Master at Blyth, who kindly procured me the mussels. 
