Published in Proc. Amer. Philos. Soc., in 1887, in volume 24, pages 44-60

Created: 2010-03-21, modified: 2021-04-05

Published in Proc. Amer. Philos. Soc., in 1887, in volume 24, pages 273-277

Created: 2010-03-21, modified: 2021-04-05

Published in Proc. Amer. Philos. Soc., in 1887, in volume 24, pages 278-286

Created: 2010-03-21, modified: 2021-04-05