Description of a new genus (Trypanostoma) of the family Melanidæ, and of forty-five new species ...Isaac Lea · First published 1862Open the Tome
Remarks on the number of Unionidae [and] Descriptions of ... new species ...Isaac Lea · First published 1862Open the Tome
Fossil foot-marks in the red sandstone of Pottsville, PaIsaac Lea · First published 1855Open the Tome
Rectification of Mr. T. A. Conrad's "Synopsis of the family of N̲a̲i̲a̲d̲e̲s̲ of North America,"Isaac Lea · First published 1854Open the Tome
On the fossil foot-marks in the red sandstone of Pottsville, PennsylvaniaIsaac Lea · First published 1852Open the Tome
Description of six new species of the genus Unio, embracing the anatomy of the oviduct of one of themIsaac Lea · First published 1830Open the Tome
![Cover of Remarks on the number of Unionidae [and] Descriptions of ... new species ...](https://covers.openlibrary.org/b/id/7088203-M.jpg)
