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Articles 1231 - 1260 of 1560
Full-Text Articles in Sedimentology
Nebraska Groundwater Level (Decline & Rise), 1969
Nebraska Groundwater Level (Decline & Rise), 1969
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1969
Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1969
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Ground Water Atlas Of Nebraska (June 1969), V. H. Dreeszen, J. A. Elder, E. C. Weakly, E. C. Reed, G. R. Svoboda
Ground Water Atlas Of Nebraska (June 1969), V. H. Dreeszen, J. A. Elder, E. C. Weakly, E. C. Reed, G. R. Svoboda
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Revisions Of Two Subgenera Of Andrena: Micrandrena Ashmead And Derandrena, New Subgenus (Hymenoptera: Apoidea), David O. Ribble
Revisions Of Two Subgenera Of Andrena: Micrandrena Ashmead And Derandrena, New Subgenus (Hymenoptera: Apoidea), David O. Ribble
Bulletin of the University of Nebraska State Museum (1924–2023)
This paper is a monographic revision of the bee subgenera Micrandrena Ashmead and Derandrena, new subgenus, of the genus Andrena in North America. Both subgenera occur in the New World and Micrandrena also occurs in the Old World. Twenty-eight species are treated, of which twelve are new: Andrena (Micrandrena) annectens, ishii, labergei, lamelliterga, lepidii, micheneri, Andrena (Derandrena) arctostaphylae, californiensis, hermosa, murietae, penutiani, viridissima. Thirteen names are placed in synonymy: Andrena semotula Cockerell with candidiformis Viereck and Cockerell; subtilicornis Viereck, nitidicornis Cockerell, chlorogaster nesiotes Timberlake, chlorogaster gavilanica Timberlake, radialis Timberlake, catalinica Cockerell with chlorogaster Viereck; vegana Viereck and Cockerell with illinoiensis …
The Genera And Species Of The Feather Mite Subfamily Trouessartinae Except Trouessartia (Acarina: Proctophyllodidae), Kenneth R. Orwig
The Genera And Species Of The Feather Mite Subfamily Trouessartinae Except Trouessartia (Acarina: Proctophyllodidae), Kenneth R. Orwig
Bulletin of the University of Nebraska State Museum (1924–2023)
A systematic study of the acarine subfamily Trouessartinae (except Trouessartia) of the family Proctophyllodidae is presented. Diagnoses are given for the subfamily, five named genera and four new genera. The named genera and their type species are: Allanalges Trouessart, 1886, A. podagricus (Trouessart), 1886; Calcealges Gaud, 1952, C. cyathoplax Gaud, 1952; Hemicalcealges Gaud and Mouchet, 1957, H. margaropygus (Gaud and Mouchet), 1957; Pseudalges Radford, 1950, Proctophyllodes (Pterocolus) analgoides Trouessart, 1885; and Trouessartia Canestrini, 1899, Dermaleichus corvinus Koch, 1840. New genera and their type species are: Arthrogynalges, A. biovoidatus, new species; Bicentralges, B. orientalis, new species; Neocalcealges, N. inattditus, new species; …
Two Feather Mite Genera (Analgoidea, Proctophyllodidae) From Birds Of The Families Oxyruncidae And Pipridae (Passeriformes, Tyranni), Warren T. Atyeo, J. Gaud
Two Feather Mite Genera (Analgoidea, Proctophyllodidae) From Birds Of The Families Oxyruncidae And Pipridae (Passeriformes, Tyranni), Warren T. Atyeo, J. Gaud
Bulletin of the University of Nebraska State Museum (1924–2023)
The genus Hemipterodectes Berla is redefined and the type species, H. squalocauda is figured. A new genus, Diproctophyllodes (type species, Proctophyllodes (Alloptes) dielytra Trouessert, 1885) is described; D. exquisita (Berla), 1959 is synomized with D. dielytra; and D. oxyrunci, new species, is described.
Biometrical Study Of Morphology And Development Of The Pennsylvanian Trilobite Ameura Sangamonensis (Meek And Worthen), Roger K. Pabian, J. A. Fagerstrom
Biometrical Study Of Morphology And Development Of The Pennsylvanian Trilobite Ameura Sangamonensis (Meek And Worthen), Roger K. Pabian, J. A. Fagerstrom
Bulletin of the University of Nebraska State Museum (1924–2023)
Biometrical study of morphology and development in a sample of 100 cranidia, 94 pygidia, 26 free cheeks, and 9 complete specimens of the trilobite Ameura sangamonensis (Meek and Worthen) from the Bonner Springs Shale (Pennsylvanian; Missouri Series) in eastern Nebraska indicates that the dominant growth pattern was isometric. Evidence supporting this conclusion consists of rectilinear size relations among eight pairs of cranidial dimensions, three pairs of pygidial dimensions, and three pairs of dimensions of the free cheeks. Qualitative changes in pygidial morphology during development include a progressive decrease in prominence of the border, increasing width of the posterior border relative …
New Genera Related To The Genus Brephosceles Hull, 1934 (Acarina: Proctophyllodidae), Paul C. Peterson, Warren T. Atyeo
New Genera Related To The Genus Brephosceles Hull, 1934 (Acarina: Proctophyllodidae), Paul C. Peterson, Warren T. Atyeo
Bulletin of the University of Nebraska State Museum (1924–2023)
Five new genera are described; these and the included species are (type species listed first): Dichobrephosceles with Dermaleichus actitidis Canestrini, 1878 (=Brephosceles dolichocaulus Gaud and Mouchet, 1957, new synonymy), D. eroliae, new species (ex: Erolia alpina, England); Homeobrephosceles with Proctophyllodes (A lloptes) discosurus Trouessart, 1886, Brephosceles orthothrix Gaud and Mouchet, 1957; Onychalloptes with Proctophyllodes (Alloptes) microphaeton Trouessart, 1885, Alloptes minutus Trouessart, 1899; Aramolichus with Aramolichus foliatus, new species (ex: Aramus guarauna, Bolivia); Psilobrephosceles with Dermalichus ortygometrae Canestrini, 1878. Species included in the genus Brephosceles (s.s.) are listed; species transferred to Brephosceles are: Proctophyllodes (Pterocolus) fiagellifer discursus Trouessart, 1885; Pterocolus lambda …
Water Levels In Observation Wells In Nebraska, 1967, C.F. Keech
Water Levels In Observation Wells In Nebraska, 1967, C.F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Groundwater Data Polk County, Nebraska, F.A. Smith, E.C. Weakly
Groundwater Data Polk County, Nebraska, F.A. Smith, E.C. Weakly
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Nebraska Groundwater Level (Decline & Rise), 1968
Nebraska Groundwater Level (Decline & Rise), 1968
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Description Of Nebraska's Common Rocks, Raymond Burchett
Description Of Nebraska's Common Rocks, Raymond Burchett
Conservation and Survey Division: Faculty and Staff Publications
This one page information sheet lists names of common rocks found in Nebraska. It also includes a brief description and locations where these common rocks may be found.
Directory Of Nebraska Quarries, Pits And Mines (1968), R. R. Burchett
Directory Of Nebraska Quarries, Pits And Mines (1968), R. R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Acres Irrigated In Nebraska- Past And Present
Acres Irrigated In Nebraska- Past And Present
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
The Nitrate Hazard In Well Water: With Special Reference To Holt County, Nebraska., Richard A. Engberg
The Nitrate Hazard In Well Water: With Special Reference To Holt County, Nebraska., Richard A. Engberg
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Stratigraphic Cross Section Of Paleozoic Rocks Of Nebraska, Russell Smith, Raymond Burchett
Stratigraphic Cross Section Of Paleozoic Rocks Of Nebraska, Russell Smith, Raymond Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Water Levels In Observation Wells In Nebraska, 1966, C.F. Keech
Water Levels In Observation Wells In Nebraska, 1966, C.F. Keech
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Stratigraphic Chart Of The Waubansee Group In Nebraska, R. R. Burchett, E. C. Reed
Stratigraphic Chart Of The Waubansee Group In Nebraska, R. R. Burchett, E. C. Reed
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Precambrian Well Data In Nebraska, Including Rock Type And Surface Configuration, Marvin P. Carlson
Precambrian Well Data In Nebraska, Including Rock Type And Surface Configuration, Marvin P. Carlson
Conservation and Survey Division: Faculty and Staff Publications
This bulletin presents, in tabular form, information relating to the Precambrian surface and includes a configuration map of this surface in Nebraska. The data from all of the 1460 deep tests reaching the Precambrian as of January 1, 1966 are listed. It is anticipated that further studies utilizing this data will be made due to the important influence of the Precambrian surface on later sedimentation and structure and the possibility of minerals of economic importance being present in Precambrian rocks. Specific information for each well and samples, except as noted in the tabulation, are on file and available for study …
A Revision Of The Bees Of The Genus Andrena Of The Western Hemisphere. Part I. Callandrena. (Hymenoptera: Andrenidae), Wallace E. Laberge
A Revision Of The Bees Of The Genus Andrena Of The Western Hemisphere. Part I. Callandrena. (Hymenoptera: Andrenidae), Wallace E. Laberge
Bulletin of the University of Nebraska State Museum (1924–2023)
This paper is the first part of a monograph of the bee genus Andrena in the western hemisphere and treats the subgenus Callandrena. Available data regarding phylogeny, distribution, biology, and flower preferences are presented together with keys to separate the species, diagnoses and descriptions of the species and discussions of geographic variation when applicable. Seventy-nine species and one subspecies are recognized. Sixteen names are relegated to synonymy, one to homonymy and eight are removed from the subgenus Callandrena. The thirty-nine species new to science are: aerifera, aeripes, afimbriata, ardis, auripes, balsamorhizae, beameri, bilimeki, bullata, calvata, dreisbachorum, fulminea, fulminoides, …
A New Species Of Rhinoceros, Aphelops Kimballensis, From The Latest Pliocene Of Nebraska, Lloyd G. Tanner
A New Species Of Rhinoceros, Aphelops Kimballensis, From The Latest Pliocene Of Nebraska, Lloyd G. Tanner
Bulletin of the University of Nebraska State Museum (1924–2023)
An uncrushed skull and associated skeletal elements of a very large rhinoceros are the basis for the description of a new species of Aphelops from Frontier County, Nebraska. The major differences are: the skull is much larger in most dimensions than other Aphelops; it has an extremely elevated occipital region in comparison to Aphelops mutilus; the narial notch is retracted to a point perpendicular to the center of molar one; and the teeth are more hypsodont than any other species of this genus. The sediments which yielded the skull and skeletal parts are considered to be Kimballian in …
The Monotypic North American Subgenus Larandrena Of Andrena (Hymenoptera: Apoidea), D. W. Ribble
The Monotypic North American Subgenus Larandrena Of Andrena (Hymenoptera: Apoidea), D. W. Ribble
Bulletin of the University of Nebraska State Museum (1924–2023)
Larandrena contains a single species, A. miserabilis Cresson. This small, common Andrena is found throughout most of the United States and southern Canada in the spring. The subgeneric position, nomenclature, redescription. variation, notes on the biology, parasites, range, seasonal activity and plant host records are included. A. rniserabilis is thought to be an important pollinator of fruit trees.
Citellus Kimballensis, A New Late Pliocene Ground Squirrel, Douglas C. Kent
Citellus Kimballensis, A New Late Pliocene Ground Squirrel, Douglas C. Kent
Bulletin of the University of Nebraska State Museum (1924–2023)
A new fossil sciurid, Citellus kimballensis, is described. This new species was found in the Kimball Formation, uppermost Ogallala (very late Pliocene) at the University of Nebraska State Museum Collecting Locality Cn-1O1, northeast of Sidney, Cheyenne County, Nebraska. Characters of the dentition and skull of C. kimballensis are compared with those of other species of the genus, and with those of Cynomys.
The Brule-Gering (Oligocene-Miocene) Contact In The Wildcat Ridge Area Of Western Nebraska, C. Bertrand Schultz, Charles H. Falkenbach, Carl F. Vondra
The Brule-Gering (Oligocene-Miocene) Contact In The Wildcat Ridge Area Of Western Nebraska, C. Bertrand Schultz, Charles H. Falkenbach, Carl F. Vondra
Bulletin of the University of Nebraska State Museum (1924–2023)
The contact between the Brule Formation (Oligocene) and the Gering Formation (Miocene) can be readily distinguished in the Wildcat Ridge area, as elsewhere in western Nebraska. At the critical fossiliferous exposures at Castle Rock in Scotts Bluff County, the contact on the south face between the two formations is defined as 129 feet above the base of the "Upper Ash" bed, which corresponds to the upper portion of Darton's (1899, PI. C, Fig. D, following p. 754) "sandy phase" in the upper part of the Brule. Certain key beds in the Gering Formation can be traced laterally from a channel …
Centennial Guidebook To The Geology Of Southeastern Nebraska, R. R. Burchett, E. C. Reed
Centennial Guidebook To The Geology Of Southeastern Nebraska, R. R. Burchett, E. C. Reed
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Devonian Of The North-Central Region, United States, C. Collinson, Marv Carlson
Devonian Of The North-Central Region, United States, C. Collinson, Marv Carlson
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Nebraska Groundwater Level (Decline & Rise), 1967
Nebraska Groundwater Level (Decline & Rise), 1967
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Early Silurian Brachiopods From The Subsurface Of Southeastern Nebraska, M. P. Carlson, A. J. Boucot
Early Silurian Brachiopods From The Subsurface Of Southeastern Nebraska, M. P. Carlson, A. J. Boucot
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Early Silurian Brachiopods From The Subsurface Of Southeastern Nebraska, M. P. Carlson, A. J. Boucot
Early Silurian Brachiopods From The Subsurface Of Southeastern Nebraska, M. P. Carlson, A. J. Boucot
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Centennial Guidebook To The Geology Of Southeastern Nebraska, R. R. Burchett, E. C. Reed
Centennial Guidebook To The Geology Of Southeastern Nebraska, R. R. Burchett, E. C. Reed
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.