-60- 
pen top. I went around the pen and found the ooto cowered against the glass. 
The moray had his head within six inches, but was gazing steadily out at 
the scenery. 
The day vms not a total loss. Chris came down with a cucumber and a 
fierasfer in a jar. I glassed up the auxiliary pen while Tom kept his eye 
on things, and put in the cucumber. Y/han the fierasfer was turned loose 
he gave a perfect demonstration of his technique, examining the cucumber 
carefully from end to end, and in the course of two or three minutes 
selecting the opening that suited him and wriggling in out of sight. 
August 10. 
i/^e did not try the octopus today. It appears we have spent about as 
much time on it as we can. Since the moray was in the shooting pen we put 
the small Nassau grouper in with him to record his reactions. He does not 
like the moray at all, and bristles up to it whenever it puts its head out 
of its den. He goes at it sidewise, with his fins all extended and his gills 
out. He does not bite at it because ho has no dental equipment for such a 
job, but he looks like a little bully trying to pick a fight. Sometimes the 
moray responds by snapping at him in a peevish sort of way; not trying to 
catch him, but more as though he were simply annoyed. It is all very 
strange behavior. 
A great many of the reef fish behave in much the same way as the grouper. 
The angels, squirrels, conies, especially, will folloxv a moray all over a 
