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A Late Spring And A Late Quail Hatch, M. E. Stempel

Proceedings of the Iowa Academy of Science

The number of quail that hatch, and live until the hunting season is determined by several factors. Weather is the most widespread of these factors. (Stoddard, 1936). A study was made in 1950 and 1951 to learn how variations in the weather correspond to variations in the Iowa quail populations.

A Study Of The Artifacts Of The Post-Columbian Indian Culture Of The Southeastern United States, John Stouffer

Proceedings of the Iowa Academy of Science

This paper is an effort to study and analyze some of the culture objects of the early American Indians of the Southeastern United States. The source of these is the A. J. Powers Collection which is presently on exhibit in the Museum of Cornell College, Mt. Vernon, Iowa.

Notes On The Occurrence Of Birds During The Winters Of 1948-1950, In Northern Emmet County, Iowa, Henry G. Weston Jr.

Proceedings of the Iowa Academy of Science

During the winters of 1947-1948, 1948-1949 and 1949-1950 the author gathered data on the occurrence of birds in northern Emmet County, Iowa. Although data were gathered from February through July of 1948 and January through May of 1949 and 1950, this paper, for convenience, includes only the winter periods prior to March 1. Twenty days were spent in the field in the winter period of 1948, 46 days during 1949 and 45 days during 1950.

Index

Proceedings of the Iowa Academy of Science

No abstract provided.

Seeding Experiments On Highway Backslopes, Robert L. Mcdill

Proceedings of the Iowa Academy of Science

Construction methods required to build modern highways lay bare extensive areas along the rights-of-way. These areas were previously left in an ungraded condition and no effort was made to establish a vegetative cover. Stands of soil-binding plants became established slowly by natural means; therefore these areas were unprotected and subject to costly and unsightly erosion. To prevent erosion and to facilitate the early establishment of a protective cover, present construction methods include grading and seeding these areas, mulching foreslopes and backslopes, and sodding of critical waterways. Stand establishment on such areas is more difficult than on areas with topsoil in …

Notes On Iowa Fungi. Xii, G. W. Martin

Proceedings of the Iowa Academy of Science

Acrospermum includes a few small and inconspicuous species of club-like fungi in which the single erect ovate or flattened spore chamber is borne on a stalk or a constricted base. Lindau (in Engler & Prantl, Nat. Pfl. I. 1:278. 1896) erected for the genus the monotypic family Acrospermaceae, based largely on the flattened ascocarp and slit-like dehiscence of A. compressum Tode ex Fries, the oldest and best-known species, and included the family, with some reservation, in the Hysteriales. Other authors have assigned it to the Hypocreales and Sphaeriales. Brandriff (Mycologia 28:228-235. 1936) gives a review of the pertinent literature. She …

Upward Movement Of Radioactive Phosphorus In Three Different Plants, John R. Weber

Proceedings of the Iowa Academy of Science

The following data is being presented for possible use in the classroom demonstration of translocation and mineral uptake in higher plants. The experiment is designed for a demonstration and was not intended to be carried out by the students of the elementary plant physiology class. Results are presented in the most simplified form.

A Study Of Tissues About A Large Leaf Mine, Robert B. Wylie

Proceedings of the Iowa Academy of Science

The role of the epidermis in leaf organization has not been extensively explored. As a surface covering it affords some protection, but this is due chiefly to the cuticular film which protects both the epidermal layer and underlying cells. The importance of the epidermis, as a tissue of living cells, is probably much greater than has been generally realized. For this reason observations and experiments providing further information about the epidermis are of special interest. The present paper summarizes a study of a blotch-type leaf mine in the upper side of a leaf (Eupatorium purpureum), with special reference to its …

On The Mechanism Of Protein Synthesis, Theodore I. Bieber

Proceedings of the Iowa Academy of Science

Our knowledge about the mechanism of protein synthesis, one of the most important biochemical problems, is still extremely limited. It is evident from the very nature of proteins, their complexity and specificity, that the problem of protein synthesis presents numerous aspects. Theories of a template method of protein synthesis in the sense of Langmuir-Schaefer or Pauling are designed to explain the specificity of proteins. This paper will deal with only one aspect of protein synthesis, the mode of formation of the amide (peptide) linkage, which is the most typical linkage of every protein. In view of the close connection between …

Mastodon Humerus, E. J. Cable

Proceedings of the Iowa Academy of Science

On May 18, children of Elk Run School located a little to the south and east of Waterloo, were taking a nature study trip when one of the boys discovered a large bone partially submerged in the water of Elk Creek, a tributary of the Cedar River. The location of the discovery was in the south east portion of Section 6, Waterloo Township. The bone had evidently been washed from its original place of interment during the recent floods of the Cedar River. The bone is the humerus of a mastodon which roamed this area during interglacial times. The bone, …

Pennsylvanian And Permian Stratigraphy Of The Elk Range, Colorado, Preliminary Report [Abstract], R. L. Langenheim

Proceedings of the Iowa Academy of Science

Sections have been measured at Crystal River Ranch, Thompson Creek, Mount Sopris, Coal Creek and Schofield Park. Maroon and Gothic formation can be recognized in all but the Coal Creek section. The Belden shale is, however, unexposed in these sections. Incomplete sections of Gothic at Crystal River Ranch and Thompson Creek include large amounts of gypsum. At Mt. Sopris, however, only 60 feet of gypsum is present and none was observed at Schofield Park. The Maroon formation increases in thickness from approximately 1900 feet at Glenwood Springs to a maximum of about 7100 feet at Crystal River Ranch. Thereafter it …

Increasing The Retention Of Nitrogen In Albino Rats Through Vitamin B12 Administration, Edmund Wei-Kuang Cheng, Byron H. Thomas

Proceedings of the Iowa Academy of Science

The growth promoting activity of vitamin B₁₂ in rats has been demonstrated by many workers. Earliest among them was Emerson (1949) who showed that the retarding effect of thyroid powder when given to rats was counteracted by oral administration or subcutaneous injection of vitamin B₁₂. Since 1949 many others have demonstrated the beneficial effect of B₁₂ in augmenting growth in the young of several mammalian and avian species. Bioassay procedures for the estimation of vitamin B_B are based on the capacity of B₁₂ to stimulate growth. Cheng and Thomas (1950) showed that not only …

The Design, Construction, And Some Uses Of An Automatic Recording Balance, F. E. Brown, T. C. Loomis, R. C. Peabody, J. D. Woods

Proceedings of the Iowa Academy of Science

Many chemical and physical reactions are accompanied by changes in weight of the reactants due to evaporation of liquids, evolution of gases, or adsorption of gases. Studies are made using data which show the manner in which the weight changes with time. Kinetic studies are made from a knowledge of the rate of loss or gain of a component. The drying of a precipitate to constant weight involves a loss in weight. Rates of evaporation of liquids from different types of surfaces involve changes of weight as a function of time. Several instruments and methods are used to follow weight …

X-Ray Study Of The Cyclohexaamylose-Lodine Complex, Williams J. James, Dexter French

Proceedings of the Iowa Academy of Science

The action of Bacillus macerans upon starch solutions has led to the isolation of crystalline dextrins by F. Schardinger (1). They are chemically homogenous and react readily with iodine to form both brown and blue colored complexes analogous to the starch-iodine complex. The Schardinger dextrins have been shown to be cyclic (2) and made up entirely of glucose residues bonded by a- 1, 4 - glucosidic linkages as in amylose. One of these, cyclohexaamylose (Schardinger's a- dextrin), containing as the name implies, six glucose units, reacts with iodide-free iodine in aqueous solution to form a stable crystalline complex. X-ray investigations …

The Origin Of Fusain, Herbert Skolnick

Proceedings of the Iowa Academy of Science

35. The origin

Fusain has been described by various workers as a black, dull, fibrous, friable charcoal-like material which readily breaks down to dust and exhibits a cellular structure when examined microscopically. According to White (1926, p. 267) fusain or as it has been known to others; mother of coal, mineral charcoal, carbonized wood, fusit, or faserkohle is composed of all kinds of woody material and occurs in post-Devonian coals and in sediments of all kinds.

Reports: The Secretary; The Treasurer; The Editor; Committee Reports

Proceedings of the Iowa Academy of Science

No abstract provided.

In Memoriam: A. A. Aardal; Thomas Hume Bissonnette; Clarence Percy Cook; Thomas Jefferson Fitzpatrick; Gilbert Logan Houser; Charles Reuben Keyes; Frank C. Pellett; Robert Ridgley Sealock; Stephen W. Stookey; C. E. Van Horn; Jay Walter Woodrow

Proceedings of the Iowa Academy of Science

No abstract provided.

Address On The Occasion Of The Presentation Of The Clinton Foods Science Scholarship Awards, George T. Peckham

Proceedings of the Iowa Academy of Science

We are assembled here today to bring to its thrilling conclusion the Sixth Iowa Science Talent Search and to present to the winners, the Clinton Foods Science. Scholarship Awards. Ever since the inception of the Clinton Foods Awards, it has been my privilege, as well as my pleasant duty, to make these presentations. On behalf of Clinton Foods I want to say that we are proud of the part we play in encouraging young scientists at the high school level, by rewarding their meritorious efforts and by aiding the further training of these talented young people at the college leveL …

Science Talent Searches, F. E. Brown

Proceedings of the Iowa Academy of Science

In 1948 the American Association for the Advancement of Science asked the cooperating academies of science in the several states to encourage larger numbers of qualified students to major in science. Seeking youth for special important service is one of the oldest activities of organized society. The Incas found beautiful maidens whose sacrifice appeased an angry god. The Babylonians trained even their abler captives such as Daniel and his friends for administrative positions. Schools have been founded to train, without charge or for small fees, preachers, lawyers, physicians and teachers as need for such training was evident.

Presidential Address: The Scientist Meets The Robots, P. S. Helmick

Proceedings of the Iowa Academy of Science

Most of us have at hand a simple analogue computer like a sliderule, or a digital computer like an adding machine or a desk calculator. But what can a scientist do when his computations become too involved for these devices? We have all read accounts of the Electronic Numerical Integrator ·and Computer, or Eniac (2, 3) built at the Moore School of Engineering at the University of Pennsylvania, and now located at Aberdeen. This giant occupies 1000 square feet of floor space and contains 18000 vacuum tubes, 1500 relays, and has an accumulator, multiplier, divider, square rooter, a function table, …

The Genus Sphagnum In Iowa, R. V. Drexler

Proceedings of the Iowa Academy of Science

Conard (1945) in his comprehensive study of the Bryophya of Iowa lists five species of Sphagnum, collected in four widely separated counties. Four of the species were collected in two counties each and one was collected in a single county, Linn. Four species were reported from Linn county, two from Muscatine, and one from Clayton and Warren counties. Since the publication of this report other collections have been made which indicate that the genus is more generally represented in the Iowa flora, especially in that of eastern Iowa.

1952 Little Panther, Iowa State Teachers College High School

Malcolm Price Laboratory School Yearbooks

The student yearbook of the Teachers College High School (later the Northern University High School, part of the Malcolm Price Laboratory School of the University of Northern Iowa).

The Alumnus, V35n4, December 1951, Iowa State Teachers College

The Alumnus

Inside This Issue:
-- Extension Services Available to You...
-- Book Review: The Ideas That Built Teachers College
-- Faculty Notes
-- Attract 250 to Des Moines Reunion
-- Time to Think About Professional Advancement
-- Campus Conferences
-- Homecoming...Three Days of Celebration
-- From Croquet to Coaches....How It All Began
-- Panther Sports Parade
-- Keeping Up with Alumni
-- Marriages
-- Alaskan School Founded by TC Alumni
-- Births
-- Deaths
-- Early Librarian Dies in California

Mrs. James Hearst Dies

James Hearst Documents

An article from the Cedar Falls daily record reporting on the death of Mrs. James Hearst, nee Carmelita Cameron Calderwood.

Iowa State Teachers College Schedule Of Classes, Fall 1951, 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 Alumnus, V35n3, September 1951, Iowa State Teachers College

The Alumnus

Inside This Issue:
-- 1876-1951
-- How Homecoming Got Its Start
-- Alumni, Townsfolk, Students...Plan Three-Day Homecoming Celebration
-- News About the Faculty
-- Plan Five Celebrations for 75th Anniversary
-- Campus Conferences
-- School Public Relations Workshop
-- What About...Teaching Overseas
-- Raymond Schlicher Appointed Placement Director
-- E.W. Goetch Takes New Job
-- New Officers
-- Two Presented 60-Year Medals at Spring Reunion
-- Panther Sports Parade
-- Keeping Up with Alumni
-- A.C. Fullers...on their golden wedding day...
-- Marriages
-- Births
-- Deaths
-- Five Hundred Graduate at 75th Commencement

Summer Commencement [Program], August 16, 1951, Iowa State Teachers College

UNI Commencement Programs

The program of the commencement ceremonies, including a list of institutional leadership, a list of the departments by college, awards given at the ceremonies, and a list of undergraduate and graduate degree candidates.

[Spring 1951 Honor Roll],Iowa State Teachers College Information Services, July 16, 1951

Noteworthy People of UNI Documents

William T. Pettit grew up in Waterloo, and graduated from Iowa State Teachers College (ISTC) in 1953. In 1958, he received a master's degree in American Studies from the University of Minnesota. UNI granted Tom an honorary Doctor of Humane Letters in 1988. His journalism career began at ISTC and the College Eye student newspaper. He had a long and honored career at NBC, winning three Emmy Awards and the Peabody Award, among other honors.

Spring Commencement [Program], June 2, 1951, Iowa State Teachers College

UNI Commencement Programs

The program of the commencement ceremonies, including a list of institutional leadership, a list of the departments by college, awards given at the ceremonies, and a list of undergraduate and graduate degree candidates.

[Men's Union Student Government Officers For 1952], Iowa State Teachers College Information Services, May 17, 1951

Noteworthy People of UNI Documents

William T. Pettit grew up in Waterloo, and graduated from Iowa State Teachers College (ISTC) in 1953. In 1958, he received a master's degree in American Studies from the University of Minnesota. UNI granted Tom an honorary Doctor of Humane Letters in 1988. His journalism career began at ISTC and the College Eye student newspaper. He had a long and honored career at NBC, winning three Emmy Awards and the Peabody Award, among other honors.