From: naddy@mips.inka.de   
      
   On 2025-12-17, Bobbie Sellers  wrote:   
      
   >> BTW, where did this trope start?  It appears early in _Perry Rhodan_,   
   >> where genocidal wars between the two are part of the historical   
   >> background, but nothing is ever original in _PR_.   
   >   
   > 	Methane breathers in the Lensman stories by Doc E.E. Smith.   
      
   I seem to recall that there were various "poison gas" breathers and   
   Smith was oddly unspecific about the makeup of their air.   
      
   --   
   Christian "naddy" Weisgerber                          naddy@mips.inka.de   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)