Joseph Leidy

Top works

• On the organization of the genus Gregarina of Dufour
• Descriptions of some remains of fishes from the Carboniferous and Devonian formations of the United States
• Description of the remains of extinct mammalia and chelonia, from Nebraska territory, collected during the geological survey under the direction of D.D. Owen
• Report to the councils of Philadelphia on some of the insects injurious to our shade trees
• Extinct vertebrata from the Judith River and great lignite formations of Nebraska