Sea urchin (Sterechinus diadema)

29/01/1874; 29 January 1874

National Museum of Ireland - Natural History

Sea urchin (Echinus)

Natural History Museum, London

Sea urchin (Echinus affinis)

Natural History Museum, London

Sea urchin (Gracilechinus acutus norvegicus)

30/12/1873; 30 December 1873

University Museum of Zoology, Cambridge

Sea urchin (Echinus atlanticus)

27/03/1876; 27 March 1876

Natural History Museum, London

Sea urchin (Echinus horridus)

05/01/1876; 5 January 1876

Natural History Museum, London

Sea urchin (Echinus atlanticus)

27/03/1876; 27 March 1876

Natural History Museum, London

Sea urchin (Echinus multidentatus)

14/07/1874; 14 July 1874

Natural History Museum, London

Sea urchin (Echinus)

Natural History Museum, London

Sea urchin (Echinus elegans)

Natural History Museum, London

Sea urchin (Gracilechinus acutus norvegicus)

06/05/1873; 05/01/1876; 6 May 1873 - 5 January 1876

National Museums Scotland

Sea urchin (Gracilechinus acutus norvegicus)

06/05/1873; 05/01/1876; 6 May 1873 - 5 January 1876

National Museums Scotland

Sea urchin (Echinus)

28/10/1873; 17/12/1873; 28 October 1873 - 17 December 1873

National Museums Scotland

Sea urchin (Echinus)

28/10/1873; 17/12/1873; 28 October 1873 - 17 December 1873

National Museums Scotland

Sea urchin (Echinus euryporus)

05/01/1876; 5 January 1876

Museum of Comparative Zoology, Harvard University

Sea urchin (Dermechinus horridus)

05/01/1876; 5 January 1876

Museum of Comparative Zoology, Harvard University

Sea urchin (Gracilechinus acutus (Fleming's egg))

27/03/1876; 27 March 1876

National Museum of Ireland - Natural History

Sea urchin (Echinus atlanticus)

27/03/1876; 27 March 1876

Natural History Museum, London

Sea urchin (Echinus acutus norvegicus)

27/03/1876; 27 March 1876

Natural History Museum, London

Sea urchin (Echinus affinis)

03/03/1873; 3 March 1873

Natural History Museum, London

Sea urchin (Echinus affinis)

05/03/1873; 5 March 1873

Natural History Museum, London

Sea urchin (Echinus affinis)

19/02/1873; 19 February 1873

Natural History Museum, London

Sea urchin (Echinus affinis)

04/03/1873; 4 March 1873

Natural History Museum, London

Sea urchin (Echinus acutus norvegicus)

25/02/1873; 25 February 1873

Natural History Museum, London