26 hits (0 seconds)

January 1st, 1861
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1861, in volume 13, pages 1
January 15th
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1861, in volume 13, pages 2
February 12th
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1861, in volume 13, pages 21-24
March 12th
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1861, in volume 13, pages 56
April 2d
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1861, in volume 13, pages 73-75
On the Haploidonotinae
Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1861, in volume 13, pages 100-105
Oct. 8th
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1861, in volume 13, pages 311
Nov. 19th
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1861, in volume 13, pages 334