Published in Proceedings of The Malacological Society of London, in 1922, in volume 15, pages 70-77

Published in Proceedings of The Malacological Society of London, in 1922, in volume 15, pages 35-36

Published in Proceedings of The Malacological Society of London, in 1922, in volume 15, pages 98-122

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, pages 133-150

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 1, pages 1-2

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 1, pages 3-5

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 1, pages 13-18

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 1, pages 19-31

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 1, pages 32-34

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 1, pages 36

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 1, pages 37-38

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 1, pages 39-40

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 1, pages 41-46

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 1, pages 54-56

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 60-61

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 61-62

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 62-63

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 63-64

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 65-66

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 66-68

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 68-69

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 78-92

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 92

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 93-94

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 95-97

Published in Proceedings of the Malacological Society of London, in 1922, in volume 15, issue 2-3, pages 152