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Articles 1 - 30 of 260
Full-Text Articles in Physiology
Mammals Of The Smithsonian Venezuelan Project, Charles O. Handley Jr.
Mammals Of The Smithsonian Venezuelan Project, Charles O. Handley Jr.
Brigham Young University Science Bulletin, Biological Series
Mammals and their ectoparasites were collected in all parts of Venezuela between 1965 and 1968 by the Smithsonian Venezuelan Project. Ecological and geographical data are summarized here for 38,213 specimens of 270 species of mammals obtained by the project.
Front Matter, Vol. 20 No. 5
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 20 No. 5
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
The Streblid Batflies Of Venezuela (Diptera: Streblidae), Rupert L. Wenzel
The Streblid Batflies Of Venezuela (Diptera: Streblidae), Rupert L. Wenzel
Brigham Young University Science Bulletin, Biological Series
This study was based on more than 36,000 Venezuelan Streblidae representing ca. 115 species and species complexes in 22 genera, taken from more than 6,800 hats of 95 species. Two new genera are proposed and 45 new species are described. The morphology is briefly discussed and terminology is revised. Collection data are given for each species, together with discussions on variability and host relationships when pertinent. Keys to genera and species arc included, as well as illustrations of most species. Noctiliostrebla dubia (Rudow) and the male of Parastrebla handleyi Wenzel are characterized, and relationships of Speiseria are discussed. New Taxa– …
Front Matter, Vol. 20 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 20 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Venezuelan Macronyssidae (Acarina: Mesostigmata), Robert C. Saunders
Venezuelan Macronyssidae (Acarina: Mesostigmata), Robert C. Saunders
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Systematics Of Neotropical Hirstionyssus Mites With Special Emphasis With Special Emphasis On Venezuela (Acarina: Mesostigmata), C. Selby Herrin, Conrad E. Yunker
Systematics Of Neotropical Hirstionyssus Mites With Special Emphasis With Special Emphasis On Venezuela (Acarina: Mesostigmata), C. Selby Herrin, Conrad E. Yunker
Brigham Young University Science Bulletin, Biological Series
This paper presents the results of a systematic study of mites of the genus Hirstionyssus Fonseca collected from mammals, primarily in Venezuela, but including one collection each from Colombia, Nicaragua, and British Honduras. Previously described species from Panamá and Brazil are reviewed and new distributional records are listed. The known Neotropical fauna of Hirstionyssus mites includes 15 species, 7 of which are described here as new: H. proctolatus n. sp.; H. brachysternum n. sp.; H. dorsolatus n. sp.; H. rhipidomys n. sp.; H, venezuelensis n. sp.; H. brevicalcar n. sp.; and H. parvisoma n. sp. The previously unknown male and …
Spinturnicid Mites Of Venezuela (Acarina: Spinturnicidae), C. Selby Herrin, Vernon J. Tipton
Spinturnicid Mites Of Venezuela (Acarina: Spinturnicidae), C. Selby Herrin, Vernon J. Tipton
Brigham Young University Science Bulletin, Biological Series
The results of an extensive survey of spinturnicid mites of bats from Venezuela are presented in this paper. Approximately 30,000 bats were collected from a wide variety of life zones and localities. A representative sample was searched for ectoparasites. There are 3 genera of the family Spinturnicidae in Venezuela: Cameronieta, Periglischrus, and Spinturnix. Three previously described species of Cameronieta were found in the Venezuelan collection. Of the 7 species of Spinturnix previously described from the New World, 4 are reported from Venezuela. The genus Periglischrus constitutes by far the most significant segment of the Venezuelan collection. It is represented by …
Front Matter, Vol. 20 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 20 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Mallophaga Of Venezuelan Mammals, K. C. Emerson, Roger D. Price
Mallophaga Of Venezuelan Mammals, K. C. Emerson, Roger D. Price
Brigham Young University Science Bulletin, Biological Series
Seven species of Mallophaga have been previously reported from Venezuelan mammals. In this paper an additional 28 species and subspecies, 7 of which are new, are reported from Venezuela; and 21 other species which have not been previously reported from Venezuela are included because their hosts are found there.
Front Matter, Vol. 20 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 20 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
A List Of Venezuela Chiggers, Particularly Of Small Mammalian Hosts (Acarina: Trombiculidae), James M. Brennan, Jack T. Reed
A List Of Venezuela Chiggers, Particularly Of Small Mammalian Hosts (Acarina: Trombiculidae), James M. Brennan, Jack T. Reed
Brigham Young University Science Bulletin, Biological Series
Detailed or summarized records of 136 species in 38 genera with a key to the latter are provided. Of 86 described forms, 49 are new for Venezuela; the remaining undescribed taxa are coded for purposes of this report. A classified host-parasite list is appended.
The Subfamily Leeuwenhoekinae In The Neotropics (Acarina: Trombiculidae), Jack T. Reed, James M. Brennan
The Subfamily Leeuwenhoekinae In The Neotropics (Acarina: Trombiculidae), Jack T. Reed, James M. Brennan
Brigham Young University Science Bulletin, Biological Series
Neotropical representatives of the subfamily Leeuwenhoekinae are reviewed. The genus Odontacarus comprises 66 percent of the chiggers examined, and 82 percent of this genus were identified as O. tubercularis (Brennan). The following genera are redescribed: Albeckia Veracammen-Grandjean and Watkins, Leeuwenhoekia Oudemans, Odontacarus Ewing, Sasacarus Brennan and Jones, Wagenaaria Brennan, and Whartonia Ewing. New taxa are: Odontacarus comosus comosus, O. c. novemsetus, O. dienteslargus, O. pugnosus, O. schoenesetosus, O. sunnianae, O. tiptoni, O. tuberculohirsutus, O. vanderhammeni, O. vergrandi, Sasacarus furmani panamensis, and Whartonia angulascuta. Odontacarus fieldi Brennan and Jones, 1961, and O. cayolargoensis Brennan, 1959, are synonymized under O. tubercularis Brennan, …
Front Matter, Vol. 20 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 20 No. 1
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Life History And Ecology Of The Great Basin Sagebrush Swift, Sceloporus Graciosus Graciosus Baird And Girard, 1852, Gary L. Burkholder, Wilmer W. Tanner
Life History And Ecology Of The Great Basin Sagebrush Swift, Sceloporus Graciosus Graciosus Baird And Girard, 1852, Gary L. Burkholder, Wilmer W. Tanner
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 19 No. 5
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 19 No. 5
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
A Taxonomic Study Of The Western Collared Lizards, Crotaphytus Collaris And Crotaphytus Insularis, Nathan M. Smith, Wilmer W. Tanner
A Taxonomic Study Of The Western Collared Lizards, Crotaphytus Collaris And Crotaphytus Insularis, Nathan M. Smith, Wilmer W. Tanner
Brigham Young University Science Bulletin, Biological Series
The heterogeneous nature of the collared lizards west of the Colorado River prompted this study. Samples from known populations of C. c. auriceps, C. c. baileyi, and C. c. fruscus were used as a base for defining the western populations. External morphology and cranial morphology were compared by cluster, canonical, and discriminant analyses.
Results of these analyses show a western complex of four populations which are distinct from the three base populations of the collaris complex. Members within the western complex are distinguishable with at least 90 percent reliability by discriminant analysis. Because of intergradation patterns seen in western Sonora, …
A Comparison Of Meteorologic Measurements From Irrigated And Non-Irrigated Plots, Provo, Ut, 1970–1972, Ferron L. Andersen, Phil D. Wright, J. Carl Fox
A Comparison Of Meteorologic Measurements From Irrigated And Non-Irrigated Plots, Provo, Ut, 1970–1972, Ferron L. Andersen, Phil D. Wright, J. Carl Fox
Brigham Young University Science Bulletin, Biological Series
A comparative study of micrometeorologic conditions on irrigated and non-irrigated pasture plots was conducted at Provo, Utah, from 1970 to 1972. Daily measurements were taken of the following: precipitation cither as rain or snow, new snowfall and total snow depth during the winter; relative humidity in a standard weather shelter; number of hours at maximum relative humidity; cloud cover each morning; potential evaporation; total wind 1 m above ground level; temperature extremes in a standard weather shelter; and temperatures both on irrigated and non-irrigated plots with sensing devices located 5 cm beneath soil surface under grass cover, at soil surface …
Front Matter, Vol. 19 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Front Matter, Vol. 19 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 19 No. 4
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 19 No. 3
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
Taxonomy Of The Genus Chloris (Gramineae), Dennis E. Anderson
Taxonomy Of The Genus Chloris (Gramineae), Dennis E. Anderson
Brigham Young University Science Bulletin, Biological Series
This study is a worldwide taxonomic treatment utilizing endomorphic characters such as cytology, histology, and embryology, in addition to the traditional exomorphic features. New chromosome numbers and histological information are reported. Relationships between Chloris and other genera in the Chlorideae are discussed. A total of 56 species is recognized in the genus; each is described and illustrated. Complete synonymies are included as well as a list of unidentified or rejected names. Distributions and maps are given for each species, along with lists of specimens examined during studies at various herbaria. Reports of field studies involving introgression among certain species are …
Front Matter, Vol. 19 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.
End Matter, Vol. 19 No. 2
Brigham Young University Science Bulletin, Biological Series
No abstract provided.