[12-19] Keys for the Separation of the Bremidae, or Bumblebees, of Illinois, and Other Notes
Keys for the Separation of the Bremidae, or Bumblebees, of Illinois, and Other Notes Author: Frison, Theodore H.
[12-18] Preliminary Survey of the Acanthocephala from Fishes of the Illinois River*
Preliminary Survey of the Acanthocephala from Fishes of the Illinois River* Author: Van Cleave H.J.
[12-17] Notes of Life-Histories of Illinois Fish
Notes of Life-Histories of Illinois Fish Author: Hankinson, T.L.
[12-16] A Mussel Survey of the Upper Waters of the Vermilion River with Special Reference to the Salt Fork
A Mussel Survey of the Upper Waters of the Vermilion River with Special Reference to the Salt Fork Authors: Baker, Frank Collins and Frank Smith
[12-15] Studies in the North American Opuntia
Studies in the North American Opuntia Author: Nelson, C.Z.
[12-14] The Jack Oak*
The Jack Oak* Author: Trelease, William
[12-13] Some Fungi that are Rare or have Not Previously Been Reported From Illinois
Some Fungi that are Rare or have Not Previously Been Reported From Illinois Author: McDougall, W.B.
[12-12] The Occurrence of a White Form of Tradescantia virginica in Southern Illinois
The Occurrence of a White Form of Tradescantia virginica in Southern Illinois Author: Bonnell, Clarence
[12-11] Soil as a Limiting Factor of Forests in La Salle County, Illinois
Soil as a Limiting Factor of Forests in La Salle County, Illinois Author: Fuller, George D.
[12-09] The Use of Central District Coals in Water-Gas Manufacture
The Use of Central District Coals in Water-Gas Manufacture Author: Dunkley, W.A.