Published in Transactions of The American Microscopical Society, in 1901, in volume 22, pages 13-24

Created: 2013-03-11, modified: 2013-03-11

Published in Transactions of The American Microscopical Society, in 1901, in volume 22, pages 25-40

Created: 2013-03-11, modified: 2013-03-11

Published in Transactions of The American Microscopical Society, in 1901, in volume 22, pages 205-210

Created: 2013-03-11, modified: 2013-03-11