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predation in the tern colony end decided thet we'd better try to get 
rid of them. Tonight MATT saw two by the light, end when we returned 
with the gun there were five of them on the beach. We shot 3 end 
took blood samples, but the other two escaped. The buildings seem to 
to offer little protection against the sun, and I wonder just where 
the cats stay during the hef t of the day. Fr»s.i water must also be a 
tr.- 
definite problem for them as we can find no water on the island. Several 
of -the; rock basins certainly would hold rainwater, but the island is only 
supposed to get about 20 inches per year. 
2 £~Magch. 1963. 
Temperature in .the 
e shade today was-about 90, and it-is certainly 
inches pep-'yeer. 
20 March 1963 
Temperature in the shade today w ? s about 90, pnd it is certainly 
well over 100 in the sun. We did little work during the day today because 
of the he&t. We noted two tropic birds over the north end of the island 
this morning. 
This inland is over run with crabs, particularly hermit cr&cbs 
of a red or maroon body color w ich Wilize colled shell. These crabs 
may be found under ell available shade during the day, under rock ledges 
and flat rocks, all through the rock veils and rubble of the town, under 
logs, and even behind our gear piled on the ground. As dusk approaches 
they emerge, and soon the ground is covered with the£\ They appear to 
feed on the green sterns of the dominant grass, but core in droves to any 
There is a small gray- brown crab which burrows 
food scape we way drop 
