Published in Proceedings of The Malacological Society of London, in 1918, in volume 13, pages 6-11

Published in Proceedings of the Malacological Society of London, in 1918, in volume 13, pages 16

Published in Proceedings of The Malacological Society of London, in 1918, in volume 13, pages 17-18

Published in Proceedings of The Malacological Society of London, in 1918, in volume 13, pages 19-20

Published in Proceedings of the Malacological Society of London, in 1918, in volume 13, pages 28-40