[019-14] Collecting Water Mites in Cuba
Collecting Water Mites in Cuba Author: Marshall, Ruth
[019-13] Some New Insect Galls
Some New Insect Galls Author: Groneman, Carl F.
[019-12] Life History Studies of the Peach Borer in Southern Illinois
Life History Studies of the Peach Borer in Southern Illinois Author: Chandler, S.C.
[019-11] Some Problems in Teaching Soil Fertility
Some Problems in Teaching Soil Fertility Author: Muckelroy, R.E.
[019-09] A Biological Study of Fish Parasites from the Central States*
A Biological Study of Fish Parasites from the Central States* Authors: Essex, Hiram E. and G.W. Hunter
[019-08] The Plant Disease Situation in Illinois During 1925
The Plant Disease Situation in Illinois During 1925 Author: Tehon, L.R.
[019-07] Fowl Tuberculosis in Swine
Fowl Tuberculosis in Swine Authors: Graham, Robert, anda E.A. Tunicliff
[019-06] Some Illinois Ozark Ferns in Relation to Soil Acidity
Some Illinois Ozark Ferns in Relation to Soil Acidity Author: Steagall, Mary Minerva
[019-05] The Naiad Fauna of the Rock River System: A Study or the Law of Stream Distribution*
The Naiad Fauna of the Rock River System: A Study or the Law of Stream Distribution* Author: Baker, Frank Collins
[019-04] Investigations of Agricultural Soils in Southern Illinois
Investigations of Agricultural Soils in Southern Illinois Author: Snider, H.J.