Dear Milo: I have looked at a lot of the sites. I finally saw a picture of the narrow gaps between
the concrete blocks that make spaces the bats can use in large numbers. I wondered how it
could be possible for the narrow range of temperatures the bats need.
One thing: I wonder how far the bats have to fly for all of them to find enough insects. It must
be quite a distance, covering a very large area.

Dear Milo: I have a new theory for you. One of the sites said the bats are classified as primates.
Is is possible that like humans they are right "handed", and have the right wing slightly more powerful
than the left, which would tend to make them circle to the left, counterclockwise? (taking my tongue
out of my cheek.) i'm sure Faldage will agree with me that is more probable than the Coriolis force.