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First thing I checked ihen we pulled up at the dock was the gurnard* 
The cage was empty*’ Rock still on top of but no fish* Jimmy jumped 
into the water to make sure* Somebody had let the fish out and then had 
put the stone back on the top of the box* There were small-size barefoot 
tracks on the beach. Hell’s fire*’ There are enough hazards and diffi- 
culties in trying to make these studies without having to add human beings 
to the list* Well, another potential subject gone. I wonder how long 
it will be before we can pick up another one. We al 1 felt pretty low. 
Scraped together some lunch, put the diving gear into the boat and 
went out to the reef to begin dressing up the pens* Worked at it until 
nearly six, and have t hem coming along* Very pretty setting* Will keep 
the auxiliary pen bare, for mantis shrimps, and the main enclosure will be 
made to look more like a section of reef* Yfe can use both of then in 
combination for a great number of things* The sliding door between the 
pens will have to be re-done* It is too wide, and sticks* It must run 
free, because we are apt to use it often* 
Came to the surface and found ^hris and Jim in their boat fifty yards 
away with a dead motor. They had run out of gas, refilled the tank, and 
hadn’t got a pop out of their motor since. We towed them to shore. Checked 
the gas line and noticed a few drops of water* Ran the tank pump and got 
nothing but water. Pumped out a quart or so and then quit. Took the motor 
and gasoline cans up to the house. Must have been at least a gallon of 
water in it; salt water, at that. Some days never seem to amount to much* 
