Published in Proc. Acad. nat. Sci. Philad., in 1876, in volume 1876, pages 200-201

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 380-389

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 10

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 122-126

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 15

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 143-144

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 36

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 163

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 262-263

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 199-200

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 82-83

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 148-153

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 27-34

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 161-163

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 119-121

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 390-392

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 9

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 51-54

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 114

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 166-168

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 39

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 80-84

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 266

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 267-271

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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 54

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 183-192

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 68-71

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 176

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 38

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 112

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 171-172

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 340-359

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 41

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 113

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 325-326

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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 394-398

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 372-376

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 12-14

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 154-155

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 140-143

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 20-23

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 158-159

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 127-128

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 19

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 194

Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1876, in volume 28, pages 129-139