Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 104-106
Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1865, in volume 16, pages 258-265
Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 204-222
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 41
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 138-143
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 64-66
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 181-183
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 245-273
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 5-6
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 89-94
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 37-39
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 176-177
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 1
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 184
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 95
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 73-75
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 88-89
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 70-73
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1865, in volume 17, pages 109-133
Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1865, in volume 16, pages 276-285