[020-13] The Effect of Vitamin (B) and (C) Deficiency on the Mechanics of the Intestinal Tract
The Effect of Vitamin (B) and (C) Deficiency on the Mechanics of the Intestinal Tract Author: Plummer, Beulah A.
[020-12] The Flora of the Right of Way of the Illinois Central Railway: Waddams to East Dubuque
The Flora of the Right of Way of the Illinois Central Railway: Waddams to East Dubuque Author: Pepoon, H.S.
[020-11] The Study of the Algae of a Freshwater Stream
The Study of the Algae of a Freshwater Stream Authors: Solheim,W.G., and W.T. Penfound
[020-09] A New Form of Ectotrophic Mucorrhiza
A New Form of Ectotrophic Mucorrhiza Author: Lesman, L.L.
[020-08] Humanizing Science Teaching.
Humanizing Science Teaching. Author: Holdebrand, L.E.
[020-07] Communities of Mushrooms
Communities of Mushrooms Author: Graham ,V.O.
[020-06] Biology and Higher Education
Biology and Higher Education Author: Gantz, Richard A.
[020-05] Growth of Diatoms in Relation to Dissolved Gases
Growth of Diatoms in Relation to Dissolved Gases Author: Eddy, Samuel.
[020-04] The American Bithynia not Wholly an Introduced Species*
The American Bithynia not Wholly an Introduced Species* Author: Baker, Frank Collins
[020-03] The Genus Peperomiax in Northeastern South America
The Genus Peperomiax in Northeastern South America Author: Bailey, Clara Maurie.