however , the teleprinter was impatient : transmit reply to central codes after a moment , stone typed back : message to central codes follows can not characterize at this time but suggest tentative classification as bacterial strain end message message from central codes follows understand request for bacterial classification opening new category classification according to icda standard reference code for your organism will be andromeda code will read out andromeda filed under icda listings as 053.9 [ unspecified organism ] further filing as e866 [ aircraft accident ] this filing represents closest fit to established categories stone smiled .