Note on the occurrence of a fin abnormality in the thornbacked ray. With plate.

Míreanna comhchosúla

• The Rontgen rays in medical diagnosis. Plates.
  de réir: Harvey, William Geoffrey
  Foilsithe / Cruthaithe: (1913)
• Further occurrances of Raia Undulata (Lacépède) in Irish waters.
  de réir: Griffith, David de G.
  Foilsithe / Cruthaithe: (1968)
• On the use of "X-rays" in medical diagnosis. Illustrations.
  de réir: Haughton, William S.
  Foilsithe / Cruthaithe: (1902)
• On the organs which in the common ray are homologous with the electrical organs in the torpedo.
  de réir: M'Donnell, Robert
  Foilsithe / Cruthaithe: (1857)
• A direct reading localiser for X-ray work.
  de réir: Marks, Edward Oswald
  Foilsithe / Cruthaithe: (1919)