Dear Josh
Perhaps my letter was unclear. All of the cultures labeled B-X are B. The others except for D-84 are B/r. D-84 is B. The B-X series Gots sent me as cultures he never observed reversion to prototrophy.
Thanks for the cold air mass. It got here Fri night.
Let me speak to Jane about a date for us to meet the cold air.
B is on its way.
Aaron