52 
IOWA ACADEMY OP SCIENCE 
Some Municipal Water Problems. Proc. la. Acad., Vol. XIV. 
Bacteriosis of Rutabaga. Bull. la. Agr. Exp. Sta. 27. 
An Aromatic Bacillus of Cheese, Bacillus aromaticus. Bull. la. Agr. Exp. Sta. 
21 :791, 1 pi. 
‘ Some Bacteriological Work-in the Dairy. Bull. la. Agr. Exp. Sta. 21:6-13. 
Bacteria, Their Relation to - Modern Medicine, the Arts, and Industries. Proc. 
la. Acad. Sci. 1 : pt. 4:66-91. 
Notes from the Botanical Laboratory of Iowa Agricultural College. Proc. la. 
Acad. Sci. 1: pt. 4:93-97. 
Nitrification. Vis Medicatrix.- February, 1892, separate 5 pp. 
Bacteriological Investigations of the Ames Sewage Disposal Plant. Centralbl. f. 
Bakt. Parasitenk. und Infektion. Abt. II, 9 :89-107, 3 pi. 
Beggiatoa alha and the Dying of Fish in Iowa. Proc. la. Acad. Sci. 1 : pt. I, 90. 
With Robert Combs. Some Notes on Chromogenic Bacteria. Proc la. Acad. 
Sci. 3:135-140. 
Symbiosis. The Vis Medicatrix. 1 :96-99 ; 159-162. 
Kramer’s Bacteriology (and other Notes on Bacteria). 1:99. 163. 
Bacteria of Milk, Cream and Cheese with Exhibition of Cultures. Proc. la. 
Acad. Sci. 1 ; pt. 11:19-20. 
Morphology and Development of Astasia arterospora and Bacillus tumescens. 
Brown Rot of Cruciferous Plants. Am. Nat. 32:287-291. 
Characters in Bacteria. Agr. S'ci. 1892: 378-380. 
Some Recent Work in Bacteriology as Related to Agriculture. Agr. Sci. 1892 r 
380, 383. , 
Bacterial Diseases of the Sugar Beet. Agr. Sci. 1892:383-385, 
Pigment Microorganism. Agr. Sci. 1892 :385-386. 
Recent Bacteriological Work. Agr. Sci. 8:114-119. 
Bacteriosis of Rutabaga. Bull la. Agr. Exp. Sta. 27 :130-131, pi. 1. Microscop. 
Jour. 1895:145-151. 
With Emma Pammel. Contribution on the Gases Produced by Bacteria. Centralbl, 
l.f. Bakt. Parasitik. u. Infektionskrankheiten II Abt., 1896, 2:633-650 pi. 5 
Separate Contr. Bot. Dept. ia. Agr. Coll. 2. 
With J. B. Weems. An Investigation of Some Iowa Sewage Disposal Systems. 
Centralbl. fur. Bakt. u. Parasitenk. 2 Abt. 13 :395-407, 4 f. 
With Estelle D. Fpgel. . Some Railroad Water Supplies. Proc, la. Acad., Vol. XII. 
With R. E. Buchanan and Edna L. King. Some Bacteriological Examinations of 
Iowa Waters. Proc. la. Acad. Sci. 9:111-126. 
Professor L. S. Ross — 
An Observation on the Number of Bacteria in Des Moines School Buildings. 1906, 
two pages. 
. Apparatus for Plating Out Petri Dishes in the Field. 1905, two pages, one plate. 
A Case of the Isolation of Diptheria Bacilli , From a Post Mortem; 1098 Abstract. 
No plate. 
Mr. L. R. Walker — 
' Bacteriological Investigations of the Iowa State College Sewage, Proc la. Acad. 
Vol. VIII. 
ECOLOGY AND PHYSIOLOGY. 
Winfield Dudgeon — 
A Study of the Variation of the Number of Ray-flowers of Certain Compositae. 
Proc. la. Acad. Vol. XIV. 
H. . S. Fawcett — 
Variation in Ray-flowers of Anthemis, cotiila and other composites. Proc. Ia. 
Acad., Vol. XII. 
Professor Bruce Fink — 
Ecological Distribution an Incentive to the Study of Lichens, 1902. 
Some Common Types of Lichen Formations, . 1903. 
Some Talus Cladonia Formations, 1903. 
A Lichen Society of a Sandstone Rip-rap, 1904. 
The Gynaecocentric Theory and the Sexes in Plants. 1908. 
Miss Ada Hayden— 
The Algal Flora of the Missouri Botanical Garden, Rept. Mo. Bot. Gard. .21:1-48, 
pi. 1-5; 1910. 
An Ecological Study of a Prairie Province in Central Iowa. 1911. ( Thesis for 
M. S. Degree at I. S. C. unpublished.) 
