560
  Kell
  A
           Kellog , Remington , 1893 - Additions to the paleontology of the pacific ooast and Great regions of North America by Remington Kellos [and others . Washington] Carnegie Institution of Washington , 1927 158 p . ilus . , láms . 25 cm . ( Carnegie Institution of Washington . Publication 346 ) Notas bibliográficas al pie de las páginas .