Life Sciences Commons^™

The Geologic History Of The Bison In The Great Plains (A Preliminary Report), C. Bertrand Schultz, W. D. Frankforter

Bulletin of the University of Nebraska State Museum

THE GEOLOGIC history of the bison in North America is a subject which has received little attention to date. Osteological rather than geological problems have been the main concern of most writers who have so far published. If the geologic history of the bison is to be learned, it will be necessary to devote more time and effort in the field in determining the age of the deposits in which various specimens have been discovered and in making more extensive collections from deposits of known age. Unfortunately the majority of the type specimens have been surface finds and little attempt …

The Nebraska Egg Cooler, I. L. Williams, F. E. Mussehl

Nebraska Agricultural Experiment Station: Historical Circulars

Every producer knows that heat is harmful to the quality of eggs, and that the first step in holding fine egg quality is prompt removal of the animal heat. The Nebraska egg cooler has been developed for this purpose. Construction costs are moderate, and repeated observations demonstrate the effectiveness of the principle. Its basic factor is the temperature-reducing effect of cool, humid air passing over the eggs, as soon as possible after they are gathered.

Pollination Cycles And Pollen Dispersal In Relation To Grass Improvement, Melvin D. Jones, L. C. Newell

Nebraska Agricultural Experiment Station: Historical Research Bulletins

The plant breeder is initially concerned with gaining a knowledge of the breeding behavior of his plant materials in order that improvement may be undertaken effectively. It is important to know the different characteristic pollination habits of these plants. To develop and apply techniques applicable to the improvement of a given grass crop, it is desirable to know the time of day and the number of days that the grass sheds pollen. The effects of temperature, humidity, light, and wind on pollination must be considered. Once superiority of germplasm is obtained, the most important consideration is the maintenance of this …

Reduction Of Un-Grazed Mixed Prairie To Short Grass As A Result Of Drought And Dust, F. W. Albertson, J. E. Weaver

Department of Agronomy and Horticulture: Faculty Publications

Table of Contents:

Introduction
Soil and Soil Moisture
Vegetation
Early Results Of Drought
Alternating Moist Periods And Drought (1935-1939)
Period Of Most Critical Drought
Beginning of Dominance of Short Grasses
Spreading Of Short Grasses (1941)
Continued Spreading of Short Grasses and Consolidation of the Cover
The Record From Quadrats
Literature Cited

Vitamins For Poultry, F. E. Mussehl, C. W. Ackerson

Nebraska Agricultural Experiment Station: Historical Circulars

Vitamins are chemical substances essential for the maintenance of life, growth, and reproduction. Their effects are out of proportion to the relatively small amounts required. Fortunately, most of these essentials are widely distributed in nature, and an adequate ration can nearly always be provided by using logical combinations of common feedstuffs. Under certain conditions, however, the use of vitamin-containing concentrates may be desirable. In planning practical rations, it should be recognized that the plant leaf is the source of most vitamins. Milk and meat products make important vitamin contributions to the diet in addition to their proteins and minerals. Direct …

Pig Typhus (Salmonellosis Suis), L. Van Es

Nebraska Agricultural Experiment Station: Historical Research Bulletins

Salmonellosis suis or pig typhus, also designated as pig typhoid, infectious necrotic enteritis, or "necro," is an infectious disease among young pigs. It constitutes a major factor in the mortality of juvenile swine, and as such must be regarded as a more or less perennial hazard in swine production. Infectious necrotic enteritis caused by Salmonella suipestifer is the subject of the present publication.

Nebraska Bird Review (July-December 1946) 14(2), Whole Issue.

Nebraska Bird Review

Contents

Notes on the breeding and nesting of the Long-billed Curlew
Levi L. Mohler ........................................................................... 31

Seasonal Relationships of Bobwhite Quail to Woody Vegetation in Nebraska........................................................................... David Damon 34

N. O. U. Cooperative Bird Migration and Occurrence List for First Half of 1946 ......................................... 36

General Notes ...................................................... 43

News and Comments.................................. 48

Membership Roll of the Nebraska Ornithologists' Union............................. 49

List of Subscribers to the Nebraska Bird Review............................. 53

Current Exchanges ............................. 54

The Utilization Of Food Elements By Growing Chicks. Xi. A Comparison Of Ground Wheat And Ground Rye In Rations For Growing Chicks, C. W. Ackerson, W. E. Ham, F. E. Mussehl

Nebraska Agricultural Experiment Station: Historical Research Bulletins

1. The effect of replacing the shorts and bran of a standard ration by ground wheat or ground rye was studied with two lots of newly hatched chicks. 2. Comparisons were made on the basis of equal intakes of dry matter and nitrogen by all chicks. 3. The wheat-fed lot made a significantly greater gain than the rye-fed lot. 4. Several cases of curled-toe paralysis occurred in the two lots, and a tendency to cannibalism appeared in the rye-fed lot.

Studies On The Validity Of Swine Erysipelas Culture-Vaccines, L. Van Es, J. F. Olney, I. C. Blore

Nebraska Agricultural Experiment Station: Historical Research Bulletins

In countries where vaccination against swine erysipelas has been practiced during the last half century, there is a consensus among veterinarians that the best results are obtained when the live culture-vaccine is not only fresh and highly virulent but is endowed also with a good capacity for growth on artificial culture media. Apparently avirulent culture-vaccines are apt to engender only a transitory immunity or fail altogether. The problem presented by undesirable culture-vaccines was deemed to be of such importance to the swine industry that this Station undertook a series of experiments, to determine what influences might be accountable for the …

The Relation Between Metabolism And Potassium Cyanide Inhibition In Pelomyxa Carolinensis, Tatsuru Eugene Kimura

Open Access Master's Theses (through 2010)

1. Introductlon ( Respiratory System)

2. Introduction ( Protozoan Experiments)

3. Materials and Method

a . Experimental Organism

b. Barcroft-Warburg Micro-respirometer

c. Manometric Calibration

4 . Results

a . The Effect ot Temperature

b. The Effect of Potassium Cyanlde

5 . Discussion

6. Summary

7. Bibliography

The thesis investigates the following problems: (1) whether or not there is any correlation between temperature change and respiratory quotient, (2) whether or not respiratory inhibition by cyanides is influenced by temperature, and (3) whether or not the cytochrome-cytochrome oxidase type of respiratory system is concerned chiefly with carbohydrate metabolism in Pelomyxa carolinensis.

The Utilization Of Food Elements By Growing Chicks. X. A Comparison Of Open-Pollinated And Hybrid Corn In A Ration For Growing Chicks, C. W. Ackerson, W. E. Ham, F. E. Mussehl

Nebraska Agricultural Experiment Station: Historical Research Bulletins

1. The effect of replacing the open-pollinated corn with hybrid corn in an otherwise complete ration was studied in a growth and body analysis experiment with two lots of newly hatched chicks. 2. The pelleted rations were consumed in identical amounts by all chicks of both lots. 3. There were significant differences in the growth rate of the chicks at the end of a six-weeks feeding trial in favor of the lot fed open-pollinated corn.

Morphology Of A New Species Of Bat Cestode, Hymenolepis Roudabushi, And A Note On Hymenolepis Christensoni Macy, Ralph W. Macy, Robert L. Rausch

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

Examination of material of a species of Hymenolepis collected by Rausch from several species of bats taken near Marysville, Ohio, revealed that it was new. A series of specimens of the same species was collected in 1942 at Ames, Iowa, by Dr. Robert Roudabush. The new species, Hymenolepis roudabushi, is described.

Annual Increase Of Underground Materials In Three Range Grasses, J. E. Weaver, Ellen Zink

Department of Agronomy and Horticulture: Faculty Publications

Any thoughtful student who has seen the mellow, granular, fiber-filled soil of virgin midwestern prairie and the same soil that has been cropped with maize or wheat for only a decade has cause for deep concern. For the cropped soil has lost its mellowness, the granular structure of discrete crumbs has largely disappeared as has also the binding root fiber. The soil when dry is often like dust, dust that pours between the fingers and is dispersed by the wind before it reaches the ground. Throughout the Midwest soil drifting has greatly increased, and erosion by water has become accelerated …

Length Of Life Of Roots Of Ten Species Of Perennial Range And Pasture Grasses, J. E. Weaver, Ellen Zink

Department of Agronomy and Horticulture: Faculty Publications

It is well known that death of the tops of practically all prairie grasses occurs each fall in temperate grasslands where the soil is regularly frozen. Year after year new shoots replace the old ones in this vegetation of long- lived perennials. But as to what portion of the root system is retained and over what period of time, we are almost without information. This maintains despite the fact that much work has been done to increase our knowledge of the root systems of prairie grasses. Since the early studies of Weaver (6, 7) on their depth and lateral extent, …

Distillers' By-Products And Soybean Meal In Dry Calf Starters For Calves On Limited Quantities Of Milk, H. P. Davis, G. W. Trimberger

Nebraska Agricultural Experiment Station: Historical Research Bulletins

Whole milk is recognized to be very satisfactory as the principal source of nutrients for young growing calves. But the price of milk and its importance as food for human beings has tended to introduce the use of substitutes. Skim milk has been demonstrated to be a satisfactory substitute when fed with grain after the first few weeks of feeding; but since skim milk, too, has become of increased usefulness for human nutrition, this experiment, one of a series, was designed to determine whether or not combinations of various grains, when fortified with vitamins, could be substituted for the solids …

Synoptic Revision Of The United States Scarab Beetles Of The Subfamily Dynastinae, No. 3: Tribe Oryctini (Part), Lawrence Saylor

Entomology Papers from Other Sources

This paper is the third in the series covering the United States dynastine scarab beetles and includes the four genera differentiated in the following key:

1. Apex clypeus acute and definitely bidentate, the teeth often worn and nearly obsolete. Apex clypeus acute, either sharply or bluntly so, but never bidentate. Mandibles definitely tridentate externally, the basal tooth often worn and barely visible; thorax not more than two-thirds the length of the elytra; color rufous to rufocastaneous or rufopiceous = Ligyrus Burmeister

2. Mandibles bidentate externally (caution: examine from below and laterally to avoid counting the lacinia teeth as third teeth …

Influence Of Food Plants On Fecundity, Larval Development And Abundance Of The Tuber Flea Beetle In Nebraska, Roscoe E. Hill

Nebraska Agricultural Experiment Station: Historical Research Bulletins

Laboratory and field tests were conducted to determine the effects of different food plants on fecundity, adult longevity and larval development of the tuber flea beetle, Epitrix tuberis Gentner. All food plants tested were those upon which the overwintered beetles commonly feed in the spring following emergence from hibernation.

Synoptic Revision Of The United States Scarab Beetles Of The Subfamily Dynastinae, No. 2: Tribe Oryctini (Part), Lawrence Saylor

Entomology Papers from Other Sources

This paper continues the series on United States dynastine scarab beetles and includes the three genera differentiated in the following key:

1. Apical margin of posterior tibia evenly truncate, never with angulations or teeth (lateral view); real apex of clypeus beyond (i.e., apical of) the apparent carinate apex; front male tibia frequently edentate. = Cheiroplatys Hope

2. Mandibles always large, always well exposed, always armed externally with teeth or else square in outline (cessus); apical margin of posterior tibia usually with 1 or 2 sharp angulations or 1 to 3 or 4 teeth. = Strategus Hope

3. Mandibles usually hidden …

Parasites Of Ohio Muskrats, Robert L. Rausch

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

Parasites of the muskrat (Ondatra zibethica) have received considerable study, but little in Ohio. From March 20, 1943, to March 22, 1945, 70 Ohio muskrat carcasses were examined, most of them being obtained from trappers by Merrill C. Gilfillan, Leader of the Pittman-Robertson Muskrat Project in Ohio. The specimens were from seven localities: Lake Erie Marshes (28); Killbuck Valley Marsh (17, lacking liver and lungs); Walnut Creek (19) and Whetstone Creek (2), (Morrow County); Buckeye Lake (1); Little Scioto River, Marion County (1); and Union County near Marysville (2).

New Records Of Macracanthorhynchus Hirudinaceus In Sciuridae, Robert L. Rausch

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

New records of Macracanthorhynchus hirudinaceus in Sciuridae, from specimens collected in central Ohio, including those from the fox squirrel (Sciurus niger rufiventer) and the chipmunk (Tamias striatus).

Ec46-223 My Kitchen

University of Nebraska-Lincoln Extension: Historical Materials

I have often dreamed of having a kitchen which would be cheerful, convenient, cleanable, and comfortable. If we should build a new home, and I could create my dream kitchen, it would fit the needs of my family, our living habits, our standards of meal preparation and serving, the equipment we could afford, and the amount of help and company we are likely to have.

After looking at pictures and plans, reading literature, and talking to others, I believe that step-saving, workable kitchens don't just happen. There evidently are some basic principles to follow. Several years' experience can give a …

The Raccoon, A New Host For Microphallus Sp., With Additional Notes On M. Ovatus From Turtles, Robert L. Rausch

Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications

Discusses the raccoon, a new host for Microphallus sp., with additional notes on M. ovatus from turtles.

Nebraska Bird Review (January-June 1946) 14(1), Whole Issue.

Nebraska Bird Review

Contents

The Genus Junco in Nebraska, By R. Allyn Moser ...................... 1

Cooperation in Upland Game Bird Research,
By Levi L. Mohler ........................................ 7

Notes on Birds of Great Britain, by Ralph Velich ........................ 10

Minutes of the Forty-Fifth Annual Meeting ................................ 13

Report of the Forty-Second Annual Field Day ............................ 18

General Notes ................................................................. 19

Book Review ................................................................... 23

Announcements ...................................................................... 24

Obituaries ..................................................... 27

Index To Volume Xiv, Wilson Tout

Nebraska Bird Review

Adams County 19, 46

Ager, James H. 19

Announcements 24

Benkeser, Harold R. 21

Birds of Great Britain 10

Blinco, Mrs. George 45

Bluebird, Eastern 20

Bob-white 34

Brooking, Mrs. A. M. 46; Albert M. An Obituary 27

Brown, Eddie 20

Buffalo County 20, 46

. . .

Wampole, John 23, 45

Warbler, Black-poll 22; Northern Parula 46; Yellow 22

Waxwing, Bohemian 45

Woodpecker, Hairy 22; Eastern Hairy 21; Downy 20, 22; Red-headed 22

Wren, House 22

Yellowlegs, Lesser 22

Yellowthroat, Northern 22