A. S. 1839-1905 Packard

Anatomy, Histology, and Embryology of Limulus Polyphemus

Half Hours with Insects

First Lessons in Zoology; Adapted for Use in Schools

Report on the Rocky Mountain Locust and Other Insects Now Injuring or Likely to Injure Field and Garden Crops in the Western States and Territories

I. on the Syncarida, a Hitherto Undescribed Synthetic Group of Extinct Malacostracous Crustacea; II. on the Gampsonychidæ, an Undescribed Family of Fossil Schizopod Crustacea; III. on the Anthracaridæ, a Family of Carboniferous Macrurous Decapod Cr