Published in Journal of The Academy of Natural Sciences, Philadelphia, in 1817, in volume 1, pages 13-16

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

Published in Journal of the Academy of Natural Sciences of Philadelphia, in 1817, in volume 1, pages 37-41

Created: 2014-04-30, modified: 2014-04-30

Published in Journal of The Academy of Natural Sciences, Philadelphia, in 1817, in volume 1, issue 4, pages 49-52

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