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Growth Of Alberta White Spruce After Release From Aspen Competition, L. A. Smithers, G Ontkean

Aspen Bibliography

At the present time spruce sawtimber is the most important single commodity produced from the forests of Alberta.

Observations On The Biology Of Pelomyxa Palustris Greeff, Collected Under Polysaprobic Conditions, Daniel Henry Stern

Master's Theses

Pelomyxa palustris Greeff, the largest rhizopod of which we have knowledge, was described in 1870 by Greeff who named the organism Pelobius. According to Penard (1902) it was redescribed by Archer in 1871 and reviewed. by Greeff (1874) who then gave it the name P. palustris.

Agricultural Research In South Dakota: Seventy-Second Annual Report: July 1, 1958 - June 30, 1959, South Dakota State College

Agricultural Experiment Station and Research Farm Annual Reports

No abstract provided.

Habitat Of Red-Backed Vole, Harvey L. Gunderson

University of Nebraska State Museum: Mammalogy Papers

These data are a part of a study of small mammal populations at Cedar Creek Forest, Anoka County, Minnesota. The live-trapping area of 5.0 acres, with 81 traps spaced 52 feet apart, was in a tamarack-white cedar bog. The study extended over a period of 7 years (1949-1955). Trapping periods of five days (four nights) extended from early May to the first part of October. In all, there were 14,580 trap-nights. A total of 428 voles were marked and weighed; data on 25 dead unmarked individuals are also included.

A frequency index was calculated for each station. This index was …

The Waterfowl Councils A Conservation Partnership

United States Fish and Wildlife Service: Publications

What is a Waterfowl Council?

It's doubtful if many duck hunters know the answer to that question. Yet these Councils are responsible for the planning of many programs that will influence the kind of duck hunting these same sportsmen will have in the future.

Because the activities of the Waterfowl Councils do mean so much to so many people--not only to duck hunters but to the millions of people who get their fun just watching the birds-this circular has been prepared to tell the Council story. Its purpose is to explain the basic waterfowl problem and the current approach to …

Air Photographs For Your Teaching, Gerald Ahlquist

Journal of the Minnesota Academy of Science

No abstract provided.

A Pollen Diagram From The Site Of Glacial Lake Aitkin, John H. Mcandrews

Journal of the Minnesota Academy of Science

No abstract provided.

Studies Of The Kinetochore In Eleocharis Macrostachya Britt., James V. Bernardini

Journal of the Minnesota Academy of Science

No abstract provided.

The Control Pollination Of Slash Pine, James T. Greene

Journal of the Minnesota Academy of Science

No abstract provided.

The Effect Of Gibberellic Acid On Water Loss By Bean Plants, Theodore W. Sudia, A. J. Linck

Journal of the Minnesota Academy of Science

No abstract provided.

Susceptibility To Ouabain And Physiologic Circadian Periodicity, Franz Halberg, Aubrey N. Stephens

Journal of the Minnesota Academy of Science

No abstract provided.

A Simplified Key To The Leeches Of Minnesota, M. M. Keith

Journal of the Minnesota Academy of Science

No abstract provided.

Aquatic Fauna Of Fish Lake, Cedar Creek Forest, Anoka County, Minnesota, Betty Norbeck

Journal of the Minnesota Academy of Science

No abstract provided.

Aboriginal Man And White Man As Historical Causes Of Fires In The Boreal Forest, With Particular Reference To Alaska, Harold J. Lutz

Yale School of the Environment Bulletin Series

No abstract provided.

Influence Of Spectral Composition Of Light On Cis-Trans Interconversion Of O- Hydroxycinnamic Acid, Francis A. Haskins, H. J. Gorz

Department of Agronomy and Horticulture: Faculty Publications

In a recent report (1) from this laboratory, an improved fluorometric assay for coumarin in sweetclover is described. Briefly, the method consists of opening the lactone ring of coumarin by treatment with alkali, after which the resulting non-fluorescent cis-o-hydroxycinnamic acid is partially converted, by means of ultraviolet irradiation, to the fluorescent trans isomer. Measurements of fluorescence are then made. In the interval between ultraviolet treatment and measurement of fluorescence, the solutions to be assayed must be protected from the usual light of the laboratory, since exposure to such light results in loss of fluorescence, indicating a reconversion of some of …

Influence Of Exposure On Woody Vegetation On The Allen Soils Of The Boston Mountain Region Of Northwest Arkansas, M. Dean Harper, E. Moye Rutledge

Journal of the Arkansas Academy of Science

No abstract provided.

Three-Year Creel Census Of Lake Catherine, Lake Hamilton, And Lake Ouachita, Arkansas, James H. Stevenson, Clinton Richards

Journal of the Arkansas Academy of Science

No abstract provided.

Flora Of Izard County, Albert Robinson Jr.

Journal of the Arkansas Academy of Science

No abstract provided.

Inventory In 1957 Of The Distribution Of The Wild Turkey (Meleagris Gallopavo Silvestris Vieillot) In The Ozark Plateau Region Of Arkansas, Douglas A. James, John R. Preston

Journal of the Arkansas Academy of Science

No abstract provided.

The Ecological Relationship Between The Occurrence Of Squirrel Leaf-Nests In Different Types Of Oak Forest Habitats, Ned E. Fogle, Chad L. Fogle

Journal of the Arkansas Academy of Science

No abstract provided.

Preliminary Report Of Standing Crop And Rates Of Harvest In Lake Fort Smith, Arkansas:1957 Through 1958, Charles F. Cole, Samuel L. Finkelstein

Journal of the Arkansas Academy of Science

No abstract provided.

Translation Of Polyanskii, Yu. I. And E. M. Kheisin. 1959. Some Observations On The Development Of Babesiella Bovis In The Tick Vector. Works Of The Karelia Branch Of The Academy Of Sciences Ussr 14: 5-13. Transliteration: Nekotorye Nablyudeniya Nad Razvitiem Babesiella Bovis V Kleshche-Perenoschike. Trudy Karel'skogo Fiiiala Akademie Nauk Sssr. Vypusk 14: 5-13, Yu. I. Polyanskii, E. M. Kheisin, Virginia Ivens

Harold W. Manter Laboratory of Parasitology: Library Materials

Translation number 8, College of Veterinary Medicine, University of Illinois, Urbana, Illinois, United States, February 14, 1962 (8 pages)

Translation of Polyanskii, Yu. I. and E. M. Kheisin. 1959. Some observations on the development of Babesiella bovis in the tick vector. Works of the Karelia Branch of the Academy of Sciences USSR 14: 5-13. Transliteration: Nekotorye nablyudeniya nad razvitiem Babesiella bovis v kleshche-perenoschike. Trudy Karel'skogo fiIiala Akademie Nauk SSSR. Vypusk 14: 5-13

Translation from Russian to English by Virginia Ivens, University of Illinois, Urbana, Illinois, United States (notated VI/s)

Harry Scott Smith, Biological Control: Riverside (1883-1957): University Of California: In Memoriam, 1959, A. M. Boyce, H. Compere, R. Van Den Bosch

Department of Entomology: Faculty Publications

Harry Smith was born at Aurora, Nebraska, November 29, 1883. He was brought up as a farm boy and experienced all the rigors of life on a prairie farm in the latter part of the nineteenth century. The hours of work in the fields, from dawn to dusk, made an indelible impression. Admittedly, he escaped from “haying” and “tending hogs” by enrolling in the State University at Lincoln, where he worked his way by waiting on tables at fifteen cents an hour. There he was granted his A.B. degree in 1907 and his M.S. degree in 1908. Insects became his …

Comments On Species Recognition With Special Reference To The Wood Duck And The Mandarin Duck, William C. Dilger, Paul A. Johnsgard

Papers in Ornithology

It is well known that closely related, sympatric species have evolved species-specific features which serve to minimize the possibility of "wrong" choices being made during pair formation. The amount of evolution of such species-specific features is roughly proportional to the deleterious effects of the "wrong" choices made in species recognition. Of course, if upon initial contact, the forms interbreed too freely panmixia will occur and both will eventually lose whatever genetic identity they may have had. On the other hand if, by the time of contact, the forms have incidentally developed differences sufficient to serve automatically as isolating mechanisms from …

Review Of A Coloured Key To The Wildfowl Of The World, Paul A. Johnsgard

Papers in Ornithology

The Wildfowl Trust, Slimbridge. Gloucestershire. 96 pp., 23 plates. 1957. Price. 9 s. 6d. This hand·guide to alI the species and subspecies of the Anatidae is an elaborated version of an earlier black and white guide. mainly for use in assisting in the identification of live birds in the incomparable waterfowl coIlection at the Wildfowl Trust, but also of great value as a guide in any zoo or even under field conditions. A total of 147 species, comprising 247 forms, are shown, including both sexes where they differ noticeably. as weIl as major color phases of the polymorphic forms such …

Variability In The Electrophoretic Patterns Of Avian Serum Proteins, Charles G. Sibley, Paul A. Johnsgard

Papers in Ornithology

It has been known for more than 50 years that particular proteins characterize every species of plant and animal and that phylogenetic relationships are reflected in protein structure. The first application of this fact to taxonomic studies was by Nuttall ( 1901; 1904) who used the precipitin reaction of immune sera to test degrees of relationship in over 500 species of animals. With refinements in technique have come many more serological studies and the results have justified the statement by Landsteiner (1945) that “chemical differences parallel the variation in structure” and hence are useful in classification.

Biometric Comparisons Between North American And European Mammals. I. A Comparison Between Alaskan And Fennoscandian Wolverine (Gulo Gulo Linnaeus), Björn Kurtén, Robert L. Rausch

Harold W. Manter Laboratory of Parasitology: Faculty Publications

A comparison between the Alaskan and Fennoscandian wolverine (Gulo gulo Linnaeus).

Biometric Comparisons Between North American And European Mammals. Ii. A Comparison Between The Northern Lynxes Of Fennoscandia And Alaska, Björn Kurtén, Robert L. Rausch

Harold W. Manter Laboratory of Parasitology: Faculty Publications

A comparison between the northern lynxes, (Felis (Lynx) spp.), of Fennoscandia and Alaska.

Notes On The Prevalence Of Hydatid Disease In Alaskan Moose, Robert L. Rausch

Harold W. Manter Laboratory of Parasitology: Faculty Publications

In conjunction with current moose-management studies in south-central Alaska; 124 pairs of lungs of moose (Alces alces) have been collected and examined for the presence of hydatid cysts, the larval stage of the cestode, Echinococcus granulosus. The lungs were collected in the Cook Inlet region between January 1, 1956 and January 1, 1958, mostly from animals accidentally killed by trains or cars.

The presence or absence of the tapeworm cyst was determined by visual inspection, palpation, and finally by sectioning the lungs into slices approximately % in. thick. Hydatid larvae do not always localize in the lungs …

Embryological Development Of Cucumaria Curata, Edmund Hobart Smith

University of the Pacific Theses and Dissertations

Almost no work has been done on the brooding habits of Cucumaria curata Cowles 1902 from the Pacific Coast of North America. Most of the embryological investigations of holothurians on this coast have been with species having free swimming larval forms (Johnson and Johnson, 1950). Since the majority Holothurians have planktonic larvae, a study of the direct development found in C. curate might prove beneficial in comparing the ecological distribution of this species with those having planktonic larvae. The brooding type of development is found in polar species, but seldom found in warmer waters. This may have some direct effect …