Transaction logs gone, how to restart?

We backed up our test server yesterday (Pg 7.4.1) as the first step in switching
from Red Hat 7 to Whitebox. However, we failed to back up the transaction and
commit logs. Now that the OS and database are back to where they were, we get
this message on attempting to restart:

LOG: could not open file "/usr/local/pgsql/data/pg_xlog/00000041000000EE" (log
file 65, segment 238): No such file or directory

(There are other problems that we are still working to correct, but this is the
one that I don't understand.)

--
~~~~~~~~~~~~~~~~| Genius may have its limitations, but stupidity is not
Jeff Boes | thus handicapped.
jboes(at)qtm(dot)net | --Elbert Hubbard (1856-1915), American author