Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 254, pages 133-152

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 254, pages 155-187

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 254, pages 191-205

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 254, pages 207-262

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 255, pages 267-301

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 255, pages 303-325

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 255, pages 329-341

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 255, pages 345-371

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 255, pages 373-382

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 255, pages 383-408

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 255, pages 413-417

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 256, pages 419-424

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 256, pages 425-572

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 256, pages 575-587

Published in Quarterly journal of microscopical science, in 1920, in volume 64, issue 256, pages 589-590

Published in Quarterly journal of microscopical science, in 1920, in volume 65, issue 257, pages 1-32

Published in Quarterly journal of microscopical science, in 1920, in volume 65, issue 257, pages 33-61

Published in Quarterly journal of microscopical science, in 1920, in volume 65, issue 257, pages 63-100

Published in Quarterly journal of microscopical science, in 1920, in volume 65, issue 257, pages 101-127

Published in Quarterly journal of microscopical science, in 1920, in volume 65, issue 257, pages 129-155

Published in Quarterly journal of microscopical science, in 1920, in volume 65, issue 257, pages 157-162