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Articles 241 - 270 of 376
Full-Text Articles in Botany
Mites And Lice Of The National Reactor Testing Station, Dorald M. Allred
Mites And Lice Of The National Reactor Testing Station, Dorald M. Allred
Brigham Young University Science Bulletin, Biological Series
Mites of 47 species and lice of 16 species were taken from reptiles of 3 species, birds of 23 species, and mammals of 18 species at the National Reactor Testing Station between June, 1966, and September, 1967. Mammals differed in degree of infestation relative to their geographic distribution at the station. The number of species of ectoparasites which occurred on a particular kind of host generally was in direct proportion to the number of hosts examined, but exceptions occurred in some instances. In some cases the rate of infestation differed relative to the sex of the host. The greatest numbers …
End Matter, Vol. 11 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Distribution Of The Native Trees Of Utah, Kimball S. Erdman
Distribution Of The Native Trees Of Utah, Kimball S. Erdman
Brigham Young University Science Bulletin, Biological Series
Although botanists have been actively collecting in Utah for well over a century, the distribution of many plants are as yet imperfectly known. This is, in part, due to the scattered nature of Utah herbarium material. Also the terrain of the state has impeded collection in more rugged and remote areas. The present study gathers together the data from the major collections of native Utah trees and clarifies our present understanding of tree distributions in the state. The older collection records have been extensively supplemented by the field work of the author and other botanists.
The great diversity of environments …
Front Matter, Vol. 11 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Osteological And Mylogical Comparisons Of The Head And Thorax Regions Of Cnemidophorus Tigris Septentrionalis Burger And Ameiva Undulata Parva Barbour And Nobel (Family Teiidae), Don Lowell Fisher, Wilmer W. Tanner
Osteological And Mylogical Comparisons Of The Head And Thorax Regions Of Cnemidophorus Tigris Septentrionalis Burger And Ameiva Undulata Parva Barbour And Nobel (Family Teiidae), Don Lowell Fisher, Wilmer W. Tanner
Brigham Young University Science Bulletin, Biological Series
The anterior osteological elements of the skull, lower jaw, and wrist along with the anterior myological characters discussed and figured in this report suggest that A. u. parva and C. t. septentrionalis are members of distinct groups which can be differentiated by internal morphologic characters. Although comparisons were restricted to highly geographically separated individuals of the same family, their general body form and structure appear to be similar.
A great number of anatomical structures are shared in common, but the significant differences between them include:
1. General skull appearance. The skull of C. is generally lighter, that is the bones …
Pinyon-Juniper Succession After Natural Fires On Residual Soils Of Mesa Verde, Colorado, James A. Erdman
Pinyon-Juniper Succession After Natural Fires On Residual Soils Of Mesa Verde, Colorado, James A. Erdman
Brigham Young University Science Bulletin, Biological Series
A mountain brush vegetation typified by Gambel oak (Quercus gambelii) and serviceberry (Amelanchier utahensis) dominates the uplands of Mesa Verde National Park. There is evidence that this brush element is a successional stage that has been maintained by repeated natural fires in a large part of the Mesa Verde landscape. This study was conducted to determine the role of fire in the region's ecology, the nature of the climax pinyon pine (Pinus edulis) and Utah juniper (Juniperus osteosperma) vegetation, and the major successional stages that lead to the climax condition.
Three postburn …
End Matter, Vol. 11 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 11 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 11 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 11 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 10 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 10 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Nesting Ecology Of Raptorial Birds In Central Utah, Joseph R. Murphy, Franz J. Camenzind, Dwight G. Smith, J. Bradford Weston
Nesting Ecology Of Raptorial Birds In Central Utah, Joseph R. Murphy, Franz J. Camenzind, Dwight G. Smith, J. Bradford Weston
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
New Records And Species Of Neotropical Bark Beetles (Scolytidae: Coleoptera), Stephen L. Wood
New Records And Species Of Neotropical Bark Beetles (Scolytidae: Coleoptera), Stephen L. Wood
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 10 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 10 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 10 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 10 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
A Study Of The Weevil Tribe Celeuthetini Of The Solomon Islands (Coleoptera: Curculionidae), Vasco M. Tanner
A Study Of The Weevil Tribe Celeuthetini Of The Solomon Islands (Coleoptera: Curculionidae), Vasco M. Tanner
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 9 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Osteology And Myology Of Phrynosoma P. Platyrhinos Girard And Phrynosoma D. Hernandesi Girard, Richard L. Jenkins, Wilmer W. Tanner
Osteology And Myology Of Phrynosoma P. Platyrhinos Girard And Phrynosoma D. Hernandesi Girard, Richard L. Jenkins, Wilmer W. Tanner
Brigham Young University Science Bulletin, Biological Series
This study confirms the work of Etheridge (1964) in suggesting the peculiarity of the genus Phrynosoma within the family Iguanidae. The anterior osteology and myology of Phrynosoma platyrhinos platyrhinos Girard and Phrynosoma douglassi hernandesi Girard indicate Phrynosoma to be highly specialized and to differ significantlv from the Iguanid structure as portrayed by Oelrich (1956), Robison and Tanner (1962), and Avery and Tanner (1964). They also differ because of: ( 1 ) absence of lacrimal and postfrontal bones; (2) occurrence of occipital (also mandibular and temporal) spines; (3) posterodorsal shift of the skull elements; (4) divided nature of the M. sternohyoideus, …
Front Matter, Vol. 10 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 9 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 10 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Ticks Of The National Reactor Testing Station, Dorald M. Allred
Ticks Of The National Reactor Testing Station, Dorald M. Allred
Brigham Young University Science Bulletin, Biological Series
During the period from June, 1966, to September, 1967, 27 amphibians of two species, 446 reptiles of eight species, 561 birds of 81 species, and 4050 mammals of 26 species were examined for ectoparasites at the National Reactor Testing Station in southern Idaho. Of seven species of ticks collected, the predominant one was Ixodes kingi, found on mammals of 12 species. Next in abundance was Dermacentor andersoni found on birds of three species and mammals of 16 species. Haemaphysalis leporispalustris was taken from birds of 10 species and six spvecies of mammals. Four other species of Ixodes were taken from …
Front Matter, Vol. 9 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Taxonomic Review : Miridae Of The Nevada Test Site And The Western United States, Harry H. Knight
Taxonomic Review : Miridae Of The Nevada Test Site And The Western United States, Harry H. Knight
Brigham Young University Science Bulletin, Biological Series
Approximately 5,000 specimens of plant bugs were collected at the Nevada Test Site between 1959 and 1965. Greatest emphasis was given to collecting from June 10–24, 1965, when the desert areas at the test site were unusually profuse with blooming vegetation. A total of 160 species representing 50 genera was taken at the test site. Of these, 7 genera and 96 species are new to science.
Comparative data for these and additional species from other parts of western North America are also included. These represent an additional 449 species, of which 5 genera and 148 species are new to science. …
End Matter, Vol. 9 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 9 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 9 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.