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Full-Text Articles in Entire DC Network
[Cartoon: Relax, Dearie, The Quarter's Just Started]
[Cartoon: Relax, Dearie, The Quarter's Just Started]
iowa state teachers college magazine
No abstract provided.
Term Papers No End, Kelly Kaltenbach
Term Papers No End, Kelly Kaltenbach
iowa state teachers college magazine
No abstract provided.
1952 Old Gold, Iowa State Teachers College
1952 Old Gold, Iowa State Teachers College
UNI Yearbooks
The student yearbook of the Iowa State Teachers College, later known as the University of Northern Iowa.
Some Lichens From Southern Colorado, James H. Craft
Some Lichens From Southern Colorado, James H. Craft
Proceedings of the Iowa Academy of Science
The cryptogams of the San Juan and Sangre de Cristo mountains of southern Colorado have not attracted the attention of many botanists during the past half century. The published ecological and floristic studies of North American cryptogams show few records from any portion of Colorado further south than Pike's Peak. Llano (2) and Thomson (3) make but incidental mention of lichens collected by visitors in 1899, 1937, and 1942. The collections listed below constitute a material addition to this very meagre record. All these specimens, collected in the period between February, 1950-September, 1951, were found at altitudes between 7600 and …
Bryophytes Of South-Central Colorado. Part 1, James H. Craft, Irene H. Craft
Bryophytes Of South-Central Colorado. Part 1, James H. Craft, Irene H. Craft
Proceedings of the Iowa Academy of Science
Prominent among the names of the many bryologists who have collected in Colorado are those of Leo Lesquereux, T. S. Brandegee, T. C. Porter, and A. J. Grout. Their findings are discussed by Dr. Geneva Sayre in an unpublished dissertation on the mosses of Colorado, a work completed in 1938 (2). She points out that, with the exception of Brandegee's collections in southwest Colorado, collections of southern Colorado mosses are either meagre or lacking. The largest reported collection of recent date from southern Colorado is that of Dr. Belle K. Stewart who collected fourteen species in the Creede Valley incident …
A Four-Winged Domestic Fowl, Grover C. Hawk
A Four-Winged Domestic Fowl, Grover C. Hawk
Proceedings of the Iowa Academy of Science
Variations in structure in any given species of animal, range from the most minute structures that can be examined by microscopic or other technical means, to the gross items that are easily discernable with the unaided eye. Such variations are of extreme interest to the biologist and serve to forcibly remind him of the vast range of variations possible in any given species. The report on the present specimen seeks, not to present it as a monstrosity of the strange and unusual type, but rather to relate it in some measure with the usual development in chicks and to some …
A Comparative Study Of The Incidence Of Intestinal Parasites Of Children In Des Moines, Iowa, Barron M. F. Palmer
A Comparative Study Of The Incidence Of Intestinal Parasites Of Children In Des Moines, Iowa, Barron M. F. Palmer
Proceedings of the Iowa Academy of Science
In the fall of 1950 the author undertook a study of the incidence of intestinal parasites of children in Des Moines. Specimens were collected of the basis of daily admissions to the pediatric section of the Iowa Methodist Hospital and Broadlawns General Hospital and to the Des Moines Veterans Hospital. In the two former hospitals the specimens were all collected from children less than one year to sixteen years old, while in the Veterans' Hospital the specimens were all from adults above sixteen years old. Since these patients were not admitted to hospital for any gastro-intestinal disturbance it was assumed …
The Annual Contribution Of Meteoritic Dust To The Mass Of The Earth, Warren J. Thomsen
The Annual Contribution Of Meteoritic Dust To The Mass Of The Earth, Warren J. Thomsen
Proceedings of the Iowa Academy of Science
Meteoritic dust, material of extra-terrestrial origin, has been identified in two principal forms: spherical particles and irregular, angular particles. Proof of the extra-terrestrial origin of the spherical particles is by chemical analysis, from the fact that their formation cannot be attributed to any known natural terrestrial cause2, by the tendency to obtain higher counts of spherical particles after known meteor showers, and by the occurrence of spherical particles at all times of the year in several widespread localities. The diameters of the particles observed range from about 0.005 mm. up to around 0.2 mm.
Exploratory Study Of The Spearman Rank Formula For Use In Item-Analysis [Abstract], C. S. Schumacher, A. R. Lauer
Exploratory Study Of The Spearman Rank Formula For Use In Item-Analysis [Abstract], C. S. Schumacher, A. R. Lauer
Proceedings of the Iowa Academy of Science
Practically all other types of correlation methods have been used to evaluate items both for internal consistency and against an external criterion. Likewise criticisms have been leveled against most of the methods commonly used on several grounds. The authors present a method of item analysis based upon the conventional rank-formula in which the criterion is divided into nine groups. Five and seven groups were found unsatisfactory. Comparisons with certain other methods will be presented when criterion data are grouped into nine groups. The method has certain advantages not found in other methods and evaluation of it will be made. The …
Probability Of Success In Business Mathematics, Earle L. Canfield
Probability Of Success In Business Mathematics, Earle L. Canfield
Proceedings of the Iowa Academy of Science
One of the problems of frequent concern to educators is that of predicting achievement of students so that both potentially superior and slow students can be identified early in a course for the purpose of giving adequate attention to such cases. The general method of the procedure to be discussed here might be applicable to many situations, but it is especially applicable in mathematics.
The Galactan Series Of Oligosaccharides, Gene M. Wild, Dexter French
The Galactan Series Of Oligosaccharides, Gene M. Wild, Dexter French
Proceedings of the Iowa Academy of Science
In most biochemistry text books, stachyose is given as the classic example for a tetrasaccharide. Some books list for a pentasaccharide, verbascose. Stachyose was first described in 1890 by von Planta and Schulze (1), who first isolated it and crystallized it from the rhizomes of Stachys tuberifera, the Japanese artichoke. They described it as a non-reducing trisaccharide, [a]D = + 148°, composed of fructose, glucose and galactose. In 1903, Tanret (2) established stachyose as a tetrasaccharide when he showed that it was identical with what he had named manneotetrose from ash manna (3).
Electron Micrographs Of The Nematocysts Of Hydra, Marietta Issidorides, H. W. Beams, A. W. Sedar, T. C. Evans
Electron Micrographs Of The Nematocysts Of Hydra, Marietta Issidorides, H. W. Beams, A. W. Sedar, T. C. Evans
Proceedings of the Iowa Academy of Science
Seventeen different kinds of nematocysts have been described and classified by Weill (1930) on the basis of the characteristics of the discharged tube. Only four of these are known to be present on hydras, namely, volvents (desmonemes), streptoline glutinants (holotrichous isorhizas), stereoline glutinants (atrichous isorhizes), and penetrants (stenoteles). The discharged penetrant (fig. 1) consists of the capsule a, butt, which is composed of the shaft b, stylet c, spinneret d, and tube e. In the glutinants the tube is attached directly to the tube, and is either spiny (streptoline glutinant) or smooth (stereoline glutinant). In the resting nematocyst all the …
Woitkowskia, A New Genus Of Army Ants, E. V. Enzmann
Woitkowskia, A New Genus Of Army Ants, E. V. Enzmann
Proceedings of the Iowa Academy of Science
The present paper deals with a new genus of army ants whose males seem to constitute a connecting link between the genera Eciton Latreille and Cheliomyrmex Mayr. The new genus Woitkowskia may put Eciton and its subgenus Neivamyrmex in a direct line of phylogenetic relationship with the genus Cheliomyrmex, and through the Cerapachyini with the Ponerine ants. The author assumes that Neivamyrmex and the new genus are closer to the ancestral stem of the Doryline ants than the more highly specialized subgenera Eciton s.str. and Labidus; the possible relationship of these ants is expressed in the appended diagram.
Does No One But Me At All Ever Feel This Way In The Least, Robert Frost
Does No One But Me At All Ever Feel This Way In The Least, Robert Frost
James Hearst Documents
The poem Does no one but me at all ever feel this way in the least by Robert Frost originally meant to be sent out as a Christmas greeting in 1952 but sent out for July 4, 1953.
Proceedings Of The Sixty-Fourth Meeting Of The Iowa Academy Of Science Held At Coe College, Cedar Rapids, Iowa, April 18 And 19, 1952: Minutes Of The 1952 Meeting
Proceedings of the Iowa Academy of Science
No abstract provided.
Officers, Past Presidents, And Members, Iowa Academy Of Science
Officers, Past Presidents, And Members, Iowa Academy Of Science
Proceedings of the Iowa Academy of Science
No abstract provided.
The Addition Of Bromine To Crotonic Acid And To Ethyl Crotonate Under Various Conditions, Robert E. Buckles, Arne Langsjoen, Rex E. Selk, Robert J. Coons
The Addition Of Bromine To Crotonic Acid And To Ethyl Crotonate Under Various Conditions, Robert E. Buckles, Arne Langsjoen, Rex E. Selk, Robert J. Coons
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 …
Some Characteristics Of An Alkali Soil Of The Missouri River Bottomlands, Monona County, Lowa, George M. Schafer
Some Characteristics Of An Alkali Soil Of The Missouri River Bottomlands, Monona County, Lowa, George M. Schafer
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 …
Preparation Of Oc14s, O18cs, Ocs33, And Ch3cl36, G. M. Matlack, R. E. Ferguson, J. F. Haskin, G. Glockler
Preparation Of Oc14s, O18cs, Ocs33, And Ch3cl36, G. M. Matlack, R. E. Ferguson, J. F. Haskin, G. Glockler
Proceedings of the Iowa Academy of Science
In connection with a microwave absorption study of the nuclear spins of isotopes by Professor A. Roberts, formerly of the Physics Department of this University, we were asked to prepare samples of OC14S, O18CS, OCS33, and of CH3Cl36, starting with small quantities of the materials containing the desired isotopes. We believe that the methods employed in the synthesis of these compounds may be of use to other investigators.
An Example Of Lntrogressive Hybridization Between Viola Papilionacea Pursh And V. Nephrophylla Greene, Norman H. Russell
An Example Of Lntrogressive Hybridization Between Viola Papilionacea Pursh And V. Nephrophylla Greene, Norman H. Russell
Proceedings of the Iowa Academy of Science
Both Viola papilionacea Pursh and V. nephrophylla Greene are fairly common and well-known acaulescent blue violets of northeastern and midwestern United States. V. papilionacea, the common blue violet, is found from Maine to Minnesota and thence southward to Oklahoma and Georgia. In the midwestern prairies the somewhat smaller plants are sometimes called var. pratincola. V. nephrophylla, though not so abundant locally, is much more widespread, occurring from Newfoundland to British Columbia and southward to northern New York, Michigan, northern Iowa, North Dakota, and, in the west, south along the mountains to Arizona and southern California (Fernald, 1950).
You Name It…You Name It [Contest]
You Name It…You Name It [Contest]
iowa state teachers college magazine
No abstract provided.
Istc Magazine, Volume 1, Issue 1, January 1952 [Download Entire Issue]
Istc Magazine, Volume 1, Issue 1, January 1952 [Download Entire Issue]
iowa state teachers college magazine
No abstract provided.
Hospitality, Bernard W. Kelly
Hospitality, Bernard W. Kelly
iowa state teachers college magazine
No abstract provided.
The Man From Sram [Includes Illustration], Lorraine Baker
The Man From Sram [Includes Illustration], Lorraine Baker
iowa state teachers college magazine
No abstract provided.
Escape, Merle Picht
Art And Thought [Includes Illustrations]
Art And Thought [Includes Illustrations]
iowa state teachers college magazine
No abstract provided.
Foot By Foot [Includes Photographs]
Foot By Foot [Includes Photographs]
iowa state teachers college magazine
No abstract provided.