Sites, R.W. and J.E. McPherson
The First Record in Southern Illinois of Celastrina ebenina (Lepidoptera: Lycanenidae)
Sites, R.W. and J.E. McPherson
The First Record in Southern Illinois of Celastrina ebenina (Lepidoptera: Lycanenidae)
Recent Advances in Spectroscopy* Author: Michelson, A.A.
The Relation of the State Academy of Science to the Natural History Surrounding the Chicago Academy of Sciences Author: Baker, F.C.
Recent Advances in Spectroscopy* Author: Michelson, A.A.