Fragments of the natural history of Pennsylvania /

No more published; pt. 1 treats of birds, with data regarding vegetation and miscellaneous observations.

Miscellaneous tracts relating to natural history, husbandry and physick : to which is added the Calendar of flora /

Plates are engraved after R. Price or J. Miller, marked in the plate.

Seasonal development and yield of native plants on the upper Snake River Plains and their relation to certain climatic factors /

Issued also in microfilm form, as thesis, University of Minnesota, under title: Seasonal development and yield of native plants on the upper Snake River Plains of Idaho and their relation to climatic factors, especially precipitation and temperature.