The time lag on my messages to the list seemed
excessive, then I noticed the subject line,
"Discuss Digest, Vol 75, Issue 2" on Tuesday, 3-3.
The very next one was "Discuss Digest, Vol 75, Issue 6"
on Sat, 3-7.
Lag explained. The loss of Digests 3,4 and 5 is still a mystery.
Fred