Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 5-11

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 13-39

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 41-55

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 57-66

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 67-68

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 68

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 69

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 70

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 71-72

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 72

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 73-74

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 74-76

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 76-77

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 87-140

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 145-190

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 191-193

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 193-194

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 194-195

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 195-196

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 196

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 197-198

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 198

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 217-233

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 235-236

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 236

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 237

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 238

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 239

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 243-253

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 285-317

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 319-320

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 320-321

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 321-322

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 322

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 323

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 324

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 325

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 326-327

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 327

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 328

Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 334