Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 60

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 177-182

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 19-47

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 7-17

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 59

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 53-58

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 215-238

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 71-74

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 239-267

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 207-214

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 49-51

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 58

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 79-96

Published in Transactions of The American Microscopical Society, in 1918, in volume 37, pages 269-270