Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 258, pages 163-172

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 258, pages 173-246

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 258, pages 247-264

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 258, pages 265-291

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 258, pages 293-322

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 259, pages 323-337

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 259, pages 339-347

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 259, pages 349-393

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 259, pages 395-448

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 259, pages 451-478

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 259, pages 479-492

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 260, pages 493-576

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 260, pages 577-587

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 260, pages 589-625

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 260, pages 627-642

Published in Quarterly journal of microscopical science, in 1921, in volume 65, issue 260, pages 643-697