Published in Proceedings of The Malacological Society of London, in 1911, in volume 9, pages 324-326

Published in Proceedings of The Malacological Society of London, in 1911, in volume 9, pages 331-348

Published in Proceedings of The Malacological Society of London, in 1911, in volume 9, pages 352

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 4, pages 227

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 4, pages 228-229

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 4, pages 229-230

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 4, pages 231-239

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 4, pages 240

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 4, pages 241-252

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 4, pages 253-263

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 4, pages 264-267

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 4, pages 268

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 4, pages 269-273

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 5, pages 279-280

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 5, pages 282-305

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 5, pages 306-312

Published in Proceedings of the Malacological Society of London, in 1911, in volume 9, issue 5, pages 327-328