AIRMAIL 
August 28, 19(k 
lamer cm Kepler, Philip H. Lehner 
Smithsonian Barty 
US Coast Guard LORAN Station 
AFO 10' 
San Francisco, California 
Dear Caul and Kill: 
Keep a sharp lookout for any rare or new birds on Sand end Johnston 
Islands. The fall period le the time they show up down there. Be 
especially watchful for stray shorebirds, ducks and passerines. Collect 
that show up for positive identification if possible. If collection 
M impossible write down a full description of the bird as soon as 
^possible.' 
Rive told me about the -wedge-tail he and Dick observed which was 
moving its egg. Try to get a photograph of this phenomenon so it can be 
documented. It my be that the egg is Just sticking to the belly feathers. 
The nouse trapping should be continued. We are trying to determine 
population fluctuation, etc. Ralph Kirkpatrick, a mammalegist, will replace 
Phil at the end of September. He will probably start some more mouse 
studies after be arrives. 
/ 4 f If 
I am enclosing several of the blank activity study sheets which are 
to be used for taking Red-footed Booby and Frigate activity data. I 
should have sent these earlier, but 1 misplaced them. I discussed these 
sheets with you Phil, but I’ll briefly go over it again. 
a) Make surveys one day during each 2 week period. Tills should 
If possible). 
c) Use one sheet per species on the day they are surveyed. 
d) bet actual counts if possible. 
be done at a specific interval (l.e., set dates on calendar), 
b) Take survey each hour from dawn to sunset (earlier or later 
