Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1846, in volume 3, pages 10-12

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1846, in volume 3, pages 38-40

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1846, in volume 3, pages 77-79

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1846, in volume 3, pages 92-93

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1846, in volume 3, pages 97

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1846, in volume 3, pages 99

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1846, in volume 3, pages 108-109

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1846, in volume 3, pages 117-118

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1846, in volume 3, pages 118-121

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1846, in volume 3, pages 124-128