222, TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 
Beach at low water of a neap tide, about noon on 17th 
November, 1908. On 21st November, 1908, the first 
samples after relaying were collected. ‘They were taken 
early in the morning (4 to 5 a.m.) and were delivered at 
the laboratory about 11 a.m., and were analysed at 
12 noon. The results are shown in the following tablee=== 
Conway PuRIFICATION EXPERIMENT: MussELs RELAID FOR 
Four Days on Morra Braco: Nos. or “ CoLon-LikeE ” 
ORGANISMS PER 0-1 c.c. oF STOMACH JUICES. 
Mussel. No. of Red Colonies. No. of White Colonies. 
Ott , Sas 2 anes ee ee 
iT 5S 
2 250 
SAMPLE I 3 | Sterile No white colonies 
4 | 36 on any plate: 
5 | About 200 | 
. 6 | 9 (and not characteristic 
B. coli colonies) | 
| 7 | 40 (and not character- | 
istic B. coli colonies) 
8 | 9 (and not characteristic 
SAMPLE II_ B. coli colonies) No white colonies 
eee 16 on any plate 
| 10 | Sterile 
| ll 15 
all About 100 
13 | Numerous and fused; | 
| no change 
44 17 | 
15 | 150 (but many were not 
SAMPLE III - characteristic B. coli No white colonies 
colonies) - onany plate 
16 1 (not characteristic) | 
17 100 - 
| 18 Sterile | 
