Published in Notulae Systematicae, in 1923, in volume 4, issue 2, pages 34-46

Published in Notulae Systematicae, in 1923, in volume 4, issue 2, pages 46-48

Published in Notulae Systematicae, in 1923, in volume 4, issue 2, pages 48-49

Published in Notulae Systematicae, in 1923, in volume 4, issue 2, pages 54-57

Published in Notulae Systematicae, in 1923, in volume 4, issue 2, pages 57-59

Published in Notulae Systematicae, in 1923, in volume 4, issue 2, pages 59-60

Published in Notulae Systematicae, in 1923, in volume 4, issue 2, pages 60-62

Published in Notulae Systematicae, in 1923, in volume 4, issue 2, pages 62-64