Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 242, pages 137-160

Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 242, pages 161-169

Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 242, pages 171-184

Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 242, pages 185-200

Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 242, pages 201-204

Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 241, pages 1-14

Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 241, pages 15-25

Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 241, pages 27-50

Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 241, pages 51-80

Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 241, pages 81-104

Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 241, pages 105-118

Published in Quarterly journal of microscopical science, in 1915, in volume 61, issue 241, pages 119-126

Published in Quarterly journal of microscopical science, in 1915, in volume 60, issue 240, pages 463-681

Published in Quarterly journal of microscopical science, in 1915, in volume 60, issue 240, pages 693-694