Published in Journal of The Academy of Natural Sciences, Philadelphia, in 1818, in volume 1, pages 313-319

Created: 2017-10-12, modified: 2017-10-12

Published in Journal of The Academy of Natural Sciences, Philadelphia, in 1818, in volume 1, issue 2, pages 222-235

Created: 2017-10-11, modified: 2017-10-11

Published in Journal of The Academy of Natural Sciences, Philadelphia, in 1818, in volume 1, issue 2, pages 235-253

Created: 2017-10-11, modified: 2017-10-11