Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 177

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 175-176

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 167-169

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 97-110

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 119-158

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 171-172

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 176-177

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 159-165

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 79-84

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 174-175

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 172

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 85-96

Published in Transactions of The American Microscopical Society, in 1910, in volume 29, pages 179-181