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Twenty-Five Years Of Botany In Iowa, Thomas H. Macbride
Twenty-Five Years Of Botany In Iowa, Thomas H. Macbride
Proceedings of the Iowa Academy of Science
To tell of Botany in Iowa for twenty-five years, even as presented in the work of members of this Academy, is a task far more difficult than would at first appear. Shall I present a list of all Iowa botany papers for a quarter of a century; such list would mean much indeed, and such list so far as attainable may be found as an appendix to the present paper. But the slightest reflection suggests that such list, long or short, is, as a matter of fact, no measure whatever of either the industry or the achievements of those who …
Arid Plateau-Plains As Features Of Eolic Erosion, Charles Keyes
Arid Plateau-Plains As Features Of Eolic Erosion, Charles Keyes
Proceedings of the Iowa Academy of Science
Of all geographic features peculiar to arid areas plateau-plains have long remained explicable. They stand out prominently among the many geologic phenomena of deserts which have been either greatly misinterpreted or not interpreted at all. For such conspicuous and common objects of landscape they strangely enough have attracted small critical notice from travelers. Hill is almost alone in giving them especial mention and a name.
Summer Term, 1911, Iowa State Teachers College
Summer Term, 1911, Iowa State Teachers College
UNI Schedule of Classes
A listing and schedule of the courses being taught as well as policies and procedures concerning attending classes at the Iowa State Teachers College.
Some Features Of The Bering River Coal Field, Alaska, G. F. Kay
Some Features Of The Bering River Coal Field, Alaska, G. F. Kay
Proceedings of the Iowa Academy of Science
The Bering River coal field lies a few miles inland from the north shore of Controller Bay, an indentation of the Pacific coast about 1,200 miles from Seattle. In this field are the Cunningham claims which were given much publicity in connection with the Pinchot-Ballinger controversy. Much of the coal area is within the drainage basin of the Bering River. To the north of the field is the Martin River glacier, with the lofty, snowcapped Chugach range of mountains beyond; to the east of the field, and extending for many miles, is the Bering Pielmont glacier.
The Action Of Epinephrin Upon The Muscle Tissue Of The Vein, J. T. M'Clintock
The Action Of Epinephrin Upon The Muscle Tissue Of The Vein, J. T. M'Clintock
Proceedings of the Iowa Academy of Science
The physiology of the venous circulation has, in comparison to that of the arterial, received very little consideration. It has been looked upon as a circulation carried on in a system of inert, elastic tubes, carrying the blood back to the heart from the periphery and without much, if any, physiological action on the part of the venous wall in the process. We are in the habit of looking to the heart, the arterial tension and the skeletal muscle action as being the forces driving the blood through the venous system.
The Iowa, Thomas Foster, William Harvey Miner
The Iowa, Thomas Foster, William Harvey Miner
Iowa Book Gallery
A monograph about the Iowa tribe of Native Americans.
Proceedings Of The Twenty-Fifth Annual Session Of The Iowa Academy Of Science: Staff & Committee Reports; Program; Exchanges In Academy Library, L. S. Ross, G. F. Kay
Proceedings Of The Twenty-Fifth Annual Session Of The Iowa Academy Of Science: Staff & Committee Reports; Program; Exchanges In Academy Library, L. S. Ross, G. F. Kay
Proceedings of the Iowa Academy of Science
No abstract provided.
Summer Term, 1910, Iowa State Teachers College
Summer Term, 1910, Iowa State Teachers College
UNI Schedule of Classes
A listing and schedule of the courses being taught as well as policies and procedures concerning attending classes at the Iowa State Teachers College.
The Digestibility Of Bleached Flour, Elbert W. Rockwood
The Digestibility Of Bleached Flour, Elbert W. Rockwood
Proceedings of the Iowa Academy of Science
For several years the effects of the bleaching process upon the properties of wheat flour have been under discussion. The extent to which flour is used as a food material demands that in justice towards the consumers thorough tests should be made to determine whether the process is deleterious or not. In this paper no consideration will be given to any aspect of the case except that of digestibility.
Necrology: Finley M. Witter, B Shimek, L. H. Pammel
Necrology: Finley M. Witter, B Shimek, L. H. Pammel
Proceedings of the Iowa Academy of Science
No abstract provided.
Theory Of Meteoritic Agglomeration And The Ultimate Source Of The Ores, Charles R. Keyes
Theory Of Meteoritic Agglomeration And The Ultimate Source Of The Ores, Charles R. Keyes
Proceedings of the Iowa Academy of Science
At the present time unusual interest is taken by mining men in the subject of the origin of the deposits of the metallic ores, the extent of the world's supply, and the means of conserving them, for alarming as it may seem the end is already in sight.
Historical Sketch Of Early Health Regulations In Iowa, L. S. Ross
Historical Sketch Of Early Health Regulations In Iowa, L. S. Ross
Proceedings of the Iowa Academy of Science
The immediate cause for the establishment of rules and regulations to protect the health of a municipality or a state, often is the fear of the introduction of some disease that is foreign to the community. Possibly some other disease is common to a community, its effects, even its ravages are matters of common knowledge, but because of that familiarity its presence is expected; the people are accustomed to it. In reality somewhat of a fatalism with reference to it is established, and no rigorous measures are taken against it for defense or for elimination. It seems we fear the …
Summer Term, 1909, Iowa State Normal School
Summer Term, 1909, Iowa State Normal School
UNI Schedule of Classes
A listing and schedule of the courses being taught as well as policies and procedures concerning attending classes at the Iowa State Normal School.
Studies In The Solubility Of Portland Cement Continued From 1908, G. G. Wheat
Studies In The Solubility Of Portland Cement Continued From 1908, G. G. Wheat
Proceedings of the Iowa Academy of Science
In the year 1908 we presented a brief paper before the Academy of Science, calling attention to certain uses of Portland cement concrete for farm drainage and city sewer purposes and in that connection raised the question of the fitness of the material for the use made of it. The importance of the question has greatly increased, as the spirit of improvement and progress is running like wildfire over our state.
Carbonic Column Of Rio Grande Region, Charles R. Keyes
Carbonic Column Of Rio Grande Region, Charles R. Keyes
Proceedings of the Iowa Academy of Science
The character of the later Paleozoic succession in southwestern United States has radically modified our general ideas regarding carbonic history in America. As directly bearing upon this subject the Carbonic rocks of the New Mexican region are of exceptional interest. The Rio Grande section, if it may be so designated, is serially the most complete in the country. It is of great thickness. It contains many elements wholly unknown elsewhere on the continent. It furnishes full data with which to close the already prolix debate on the exact age and stratigraphic position of the uppermost Paleozoic beds of Kansas and …
The Action Of Manure On A Certain Iowa Soil, E. B. Watson
The Action Of Manure On A Certain Iowa Soil, E. B. Watson
Proceedings of the Iowa Academy of Science
The soil on which these studies were made was Southern Iowa loess from the experiment field in Decatur County, Iowa. It is a fine loess soil containing considerable clay with the silt, and enough organic matter in the surface to make it dark brown. This loess differs from that of both eastern and western Iowa in its color, which is grey rather than yellow. It is the prevailing type of soil in southern Iowa. The field from which the sample was taken had been in cultivation thirty or forty years, and in that time had probably produced no clover crops. …
Summer Term, 1908, Iowa State Normal School
Summer Term, 1908, Iowa State Normal School
UNI Schedule of Classes
A listing and schedule of the courses being taught as well as policies and procedures concerning attending classes at the Iowa State Normal School.
Eolian Origin Of Certain Lake Basins Of The Mexican Tableland, Charles R. Keyes
Eolian Origin Of Certain Lake Basins Of The Mexican Tableland, Charles R. Keyes
Proceedings of the Iowa Academy of Science
The arid region of western United States and northern Mexico is a vast expanse of plain out of which abruptly rise a multitude of lofty mountains. The landscape has been aptly likened to a sea bedecked with volcanic isles. Of the entire area the desert-plains occupy about four-fifths; the mountains one-fifth. Between the different mountain ranges the plains-surface is usually slightly inclined towards the middle. These intermont plains are commonly designated as valleys.
Stratigraphic Position Of Western Red-Beds, Charles R. Keyes
Stratigraphic Position Of Western Red-Beds, Charles R. Keyes
Proceedings of the Iowa Academy of Science
In Iowa some very important parts of the general Carbonic section are missing. Of these unrepresented portions none is so widely interesting at the present time as the part commonly called the Red-Beds. The very name is itself indicative of the uncertainties surrounding the proper geologic affinities of the formation. Until very recently the Red-Beds formation has been one of the enigmas of American geology. The Red-Beds have steadily resisted all attempts to unravel the secret of their geologic age. The key to the puzzle appears finally to be found in the far-off Mexican tableland.
Proceedings Of The Twenty-Second Annual Session Of The Iowa Academy Of Science: Staff & Committee Reports; Program, L. S. Ross
Proceedings of the Iowa Academy of Science
No abstract provided.
1908 Old Gold, Iowa State Normal School
1908 Old Gold, Iowa State Normal School
UNI Yearbooks
The student yearbook of the Iowa State Normal School, later known as the University of Northern Iowa.
Biennial Report Of The State Normal School At Cedar Falls. School Years 1877-78 Through 1907-08, Iowa State Teachers College
Biennial Report Of The State Normal School At Cedar Falls. School Years 1877-78 Through 1907-08, Iowa State Teachers College
History of Education Book Gallery
No abstract provided.
Necrology: Charles Aldrich, L. H. Pammel, H. E. Summers, L. S. Ross
Necrology: Charles Aldrich, L. H. Pammel, H. E. Summers, L. S. Ross
Proceedings of the Iowa Academy of Science
No abstract provided.
Summer Term, 1907, Iowa State Normal School
Summer Term, 1907, Iowa State Normal School
UNI Schedule of Classes
A listing and schedule of the courses being taught as well as policies and procedures concerning attending classes at the Iowa State Normal School.
A Study Of The Variation Of The Number Of Ray Flowers Of Certain Compositae, Winfield Dudgeon
A Study Of The Variation Of The Number Of Ray Flowers Of Certain Compositae, Winfield Dudgeon
Proceedings of the Iowa Academy of Science
The study of the variation of the ray flowers of Rudbeckia hirta (cone flower) was taken up during the summer of 1906, at the suggestion of Dr. L. H. Pammel. The object of the study was to determine the amount of variation of the ray flowers, the variation for different localities, and any other facts that could be determined. Later, a study of Rudbeckia triloba and Helianthus grosse-serratus was taken up, with the same end in view, and that the different species might be compared.
The Loess Of The Missouri River, B. Shimek
The Loess Of The Missouri River, B. Shimek
Proceedings of the Iowa Academy of Science
No obstacle has presented itself more persistently in the way of those who have attempted to explain the formation of loess deposits by aqueous or glacial agencies, than the presence of the remains of strictly terrestrial mollusks in the deposits.
The Determination Of Silica, Nicholas Knight
The Determination Of Silica, Nicholas Knight
Proceedings of the Iowa Academy of Science
The method of procedure depends upon the amount in the substance under investigation and also upon the condition of the silica, whether in the form of sand, or as a soluble or an insoluble silicate. The determination is beset with difficulties, but these are by no means insurmountable. It has been the object of much careful study and investigation and very accurate results are attainable even by persons who have not had much experience in quantitative analysis.
Plants Of Iowa: A Preliminary List Of The Native And Introduced Plants Of The State, Not Under Cultivation, Wesley Greene
Plants Of Iowa: A Preliminary List Of The Native And Introduced Plants Of The State, Not Under Cultivation, Wesley Greene
Iowa Book Gallery
This preliminary list of more than 3,000 species includes only the native plants and those that have been introduced from other sections of this country, or other continents, and have escaped from cultivation, and become naturalized and are now a part of the flora of the state.
Recent Alluvial Changes In Southwestern Iowa, J. E. Todd
Recent Alluvial Changes In Southwestern Iowa, J. E. Todd
Proceedings of the Iowa Academy of Science
The region specially discussed in this paper is about five square miles in the northwest corner of Fremont County, Iowa, which is the southwest county of that State. It lies mostly on the bottom lands of the Missouri River. It is bounded on the east by a tableland rising abruptly in steep bluffs cut by deep ravines. These bluffs rise 250 to 300 feet above the plain and are composed mainly of yellowish loam, typical loess. This yields easily to erosion especially when water soaked. At such times, its cementing lime, which when dry holds it firm like a soft …
Summer Term, 1906, Iowa State Normal School
Summer Term, 1906, Iowa State Normal School
UNI Schedule of Classes
A listing and schedule of the courses being taught as well as policies and procedures concerning attending classes at the Iowa State Normal School.