[021-05] Notes on the Food of the Paddlefish ad the Plankton of Its Habitat*
Notes on the Food of the Paddlefish ad the Plankton of Its Habitat* Authors: Eddy, Samuel, and Simer, Parke H.
[021-04] Our Friends the Insects
Our Friends the Insects Author: Balduf, W.V.
[021-03] Atoxic Botulism Toxin (Botulism Toxoid, Botulism Anatoxin)
Atoxic Botulism Toxin (Botulism Toxoid, Botulism Anatoxin) Authors: Graham, Robert, Tunnicliff, E.A., and E.C. McCulloch
[021-02] Our Changing Fauna
Our Changing Fauna Author: Van Cleave, Harley J.
[021-01] Concerning Certain Ecological Methods of the Illinois Natural History Survey
Concerning Certain Ecological Methods of the Illinois Natural History Survey Author: Forbes, Stephen A.