    ,    !
          (University Munich, Germany; University of Topeka, Kansas)    ,        .  ,   ,       .            ,    ,     .
    ,           (!),         .
:
 -  ,     .        (1814-1874 .)
     (horned desert viper),     ,      .    ,    "-"     ,     .  ,   ,  ,            ,          , ..    .
  ,  ,              .   (   ),      ,     . ..            ,          .          .