[027-066] Seasonal Life History of a Snail of the Genus Fossaria
Seasonal Life History of a Snail of the Genus Fossaria Author: Van Cleave, Harley J.
[027-065] A Study of Characters for the Differentiation of Two Species of Minnows of the Genus Notropis
A Study of Characters for the Differentiation of Two Species of Minnows of the Genus Notropis Author: Starrett, W.C.
[027-064] Living Vs. Dead
Living Vs. Dead Author: Stanislaus, Sister M.
[027-063] Biological Principles Underlying the Field of Education
Biological Principles Underlying the Field of Education Author: Montgomery, C.E.
[027-062] Thomas Say, Early American Zoologist to The Middle West
Thomas Say, Early American Zoologist to The Middle West Author: Mauntel, Harry W.
[027-061] Abnormalities in the Uterine Young of the Freshwater Snail Campeloma rufum
Abnormalities in the Uterine Young of the Freshwater Snail Campeloma rufum Author: Mattox, Norman T.
[027-060] Skeletal Modifications in River Catfishes of Illinois
Skeletal Modifications in River Catfishes of Illinois Author: Hoheisel, William F.
[027-059] Sexuality Among Prosobranch Molluscs
Sexuality Among Prosobranch Molluscs Author: Furow, Clarence Lee
[027-058] The Automobile and Wild Life (Animals Killed on a 25-Mile Stretch of Illinois Highway From 1930 to 1933)
The Automobile and Wild Life (Animals Killed on a 25-Mile Stretch of Illinois Highway From 1930 to 1933) Author: Flint, W.P.
[027-057] Entomophagous Parasitism Among the Beetles
Entomophagous Parasitism Among the Beetles Author: Balduf, W.V.