Zoology Commons^™

Evaluation Of The Gross Anatomy Seasonal Changes Function And Histology Of The Perineal Gland In The Hispid Cotton Rat, Sigmodon Hispidus, Julie Anne Winchell

Biological Sciences Theses & Dissertations

The perinea! gland in the hispid cotton rat, Sigmodon hispidus, is a seasonally cyclic, subcutaneously located organ which is associated with the reproductive system. On gross dissection, the gland possesses a strong attachment to the penis with only loose fascia! connections to the rectum and surrounding muscle and skin. Histologic exam confirms this connection to the reproductive tract and shows the organ to be a compound tubuloacinar gland with a projection leading into the penis. The cyclic hypertrophy and regression of the gland closely parallels that of the testes and seminal vesicles indicating that this cyclicity may be under …

The Effect Of 6-Methoxybenzoxazolinone On Reproductive Condition In The Hispid Cotton Rat, Sigmodon Hispidus, Vera Lee Adams

Biological Sciences Theses & Dissertations

A non-estrogenic hormone, 6-methoxybenzoxazolinone (6-MBOA), found in young growing grasses, has been shown to be a reproductive initiator in several herbivorous rodents. However, the mechanism by which 6-MBOA initiates reproduction has not been determined. Many believe that 6-MBOA represents a reliable cue that the vegetative growing season has begun, but it is unknown whether this hormone is a primary cueing mechanism or if it works in conjunction with other environmental factors. Therefore, a controlled laboratory experiment was conducted using male and female Sigmodon hispidus, the hispid cotton rat, to determine whether different dosages of 6-MBOA (4μg, 40 …

On The Relative Importance Of Floral Color, Shape, And Nectar Rewards In Attracting Pollinators To Mimulus, Steven D. Sutherland, Robert K. Vickery Jr.

Great Basin Naturalist

Pollinator preferences were observed for the six species of section Erythranthe of the genus Mimulus using greenhouse-grown plants placed in a meadow in the Red Butte Canyon Natural Area, Salt Lake County, Utah. The principal pollinators were hummingbirds and bumble bees. Hummingbirds preferred the species with the most reflexed tubular flowers regardless of color, whereas bumblebees preferred pink. lavender, or yellow flowers to red flowers regardless of shape. Results for the six species were confirmed by observations of F₂ hybrid recombinant plants selected such that flower color could be held constant and flower shape varied and vice versa.

First Record Of A Ross' Gull For Nebraska, Stephen J. Dinsmore, W. Ross Silcock

Nebraska Bird Review

On 17 December, 1992, we observed a Ross' Gull in second-winter plumage at Sutherland Reservoir, Lincoln County. We studied the bird in detail from 7:35-10.00 a.m. and again from 11:15 a.m.-1:00 p.m. CST as it fed with several Bonaparte's Gulls at the outlet between the cooling pond and the reservoir. The Ross' Gull remained at this location through 28 December and was seen by many birders from around the Midwest.

During all of our observations, the small size, dark underwings, and wedge-shaped tail set this bird apart from the Bonaparte's Gulls. At first, we overlooked the tail shape and tentatively …

Lesser Black-Backed Gull At Sutherland Reservoir, Stephen J. Dinsmore, W. Ross Silcock

Nebraska Bird Review

At 8:45 a.m. CST on 17 December, 1992, we observed a Lesser Blackbacked Gull at Sutherland Reservoir in Lincoln County. The bird was first seen resting on the water in the company of Herring and Ringbilled Gulls. Compared to these species, this bird had a very distinct dark charcoal-gray mantle and upperwings, which were at least a shade darker than the mantle color of a Herring Gull, though definitely not black. When, during a brief period, the bird was compared directly to an adult California Gull, it had a noticeably darker mantle, was slightly larger, and had more obvious dark-brown …

Fall 1992 Occurrence Report (July 1-December 31)

Nebraska Bird Review

The total number of species observed in 30 counties of Nebraska during this period was 280. During the past ten years (1983-1992), the number of species for the same reporting period has ranged from 262 in 1983 to 296 in 1987, with the average at 284. Several variables can affect these numbers, including number of observers, frequency of observations, weather conditions for the period, and number of counties included. In 1991 and 1992, the reports by Richard C. Rosche have extended observations to counties in the northwest sector of Nebraska. No reports were obtained from counties in the northern half …

Nebraska Bird Review (June 1993) 61(2), Whole Issue

Nebraska Bird Review

Table of Contents

Nebraska ornithologists' Union 1993 spring Meeting...................30

Fall 1992 Occurrence Report (July 1 - December 31)...................31

Fall 1992 Occurrence Report, Additional County Lists ................... 84

Sighting Documentation for Fall 1992 Occurrence Report ...................84

Reporters, Observers, and County Tallies, Fall 1992 Occurrence Report ................... 85

Lesser Black-backed Gull at Sutherland Reservoir ................... 87

First Record of a Ross' Gull for Nebraska ...................88

Another Description of Ross' Gull ...................89

Notes on Bird Sightings in Nebraska ...................90

"Notes On Bird Sightings In Nebraska," From Nebraska Bird Review (June 1993) 61(2).

Nebraska Bird Review

Black-throated sparrow. Jan and Richard Johnson first saw this bird on their farm 6 miles north of Wayne (Dixon County) on January 2, 1993. It was still coming to the feeders regularly early in February. Photo by B. J. Rose.

Whooping Cranes. I have enclosed two photos of Whooping Cranes. They were discovered about five miles northeast of Creighton (Knox County) the afternoon of Easter Sunday, April 11, 1993. They were standing in a flooded area in a corn field. During the following days, they also frequented two other wet areas less than a mile from the corn …

Another Description Of Ross' Gull, Richard C. Rosche

Nebraska Bird Review

One immature was observed at Sutherland Reservoir, Lincoln County, on 17 December (myself) and 19 December (myself and Dorothy J. Rosche), 1992. I saw this bird a few hours after Silcock and Dinsmore discovered it on 17 Dec. [See article on p. 88.] It flew by the end of the pier at close distances (as close as 20 feet) for hours on both days of observation. It sometimes landed momentarily on small pieces of ice as it picked up morsels floating in the water. It was a small gull and much more dainty than the nearby Bonaparte's Gulls. It had …

Masthead From Nebraska Bird Reveiew (June 1993) 61(2)

Nebraska Bird Review

The Nebraska Bird Review is published quarterly in March, June, September, and December by the Nebraska Ornithologists' Union, Inc., as its official Journal, and sent to members not in arrears for dues. Annual subscription rates (on a calendar-year basis only): $12.50 in the United States, $15.00 in Canada and Mexico, and $17.50 for all other countries, payable in advance. single copies are $4.00 each, postpaid, in the United states, and $5.00 elsewhere. Send orders for back issues to Mary H. Pritchard, NOU Librarian, W-436 Nebraska Hall, University of Nebraska, Lincoln, NE 68588-0514.

Memberships in NOU (on a calendar year basis …

The Mayfly Newsletter, Peter M. Grant

The Mayfly Newsletter

The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.

1992 Treasurer's Report

Nebraska Bird Review

1992 TREASURER'S REPORT

BALANCE Jan. 1, 1992

RECEIPTS:

TOTAL RECEIPTS

EXPENSES:

TOTAL EXPENSES

BALANCE:
December 31, 1992

1993 Midwinter Survey Of Bald And Golden Eagles In Nebraska

Nebraska Bird Review

National Wildlife Federation: Bald and Golden Eagles.

The 1993 survey was held January 1-15, and was coordinated and compiled by John Dinan, Nongame Bird Biologist with the Nebraska Game and Parks Commission, who supplied the following information.

Temperatures during the survey period ranged from approximately 5 to 30 0 F. There was snow cover statewide in varying amounts, but generally deeper in the eastern third of the state. Nearly all water habitats were frozen-over weeks before the survey period. The percent of open, flowing river channel was consistently low for most rivers. While the channelized portion of the Missouri River …

Bird Count, Nou Winter Meeting, Grand Island, Ne, February 26-28, 1993 And 1992 Nebraska Christmas Bird Count

Nebraska Bird Review

Bird Count, NOU Winter Meeting, Grand Island, NE February 26-28, 1993

The list of 56 species was compiled by Scott Purdy, Vice-President, NOU. The temperature ranged from 0-30° F and the days were sunny. There was 100% snow cover, and water areas were 99% iced over. The five counties included are abbreviated as follows: B = Buffalo, H = Hall, HA = Hamilton, HO = Howard, M = Merrick.

1992 Nebraska Christmas Bird Count

The 1992 count was based on eight locations, giving a total of 98 species. This is 11 less than for the 1991 count, and is the …

Nebraska Bird Review (March 1993) 61(1), Whole Issue

Nebraska Bird Review

Table of Contents

1992 Treasurer’s Report……………..2

Samuel Aughey's List of Nebraska Birds (1878): A critical Evaluation by Roger S. Sharpe …………….. 3

Bird Count, NOU winter Meeting, Grand Island, NE, 1993 ……………..11

1992 Nebraska Christmas Bird Count …………….. 11

1993 Midwinter Survey of Bald and Golden Eagles in Nebraska ……………..22

Masthead From Nebraska Bird Review (March 1993)

Nebraska Bird Review

The Nebraska Bird Review is published quarterly in March, June, September, and December by the Nebraska Ornithologists’ Union, Inc. as its official Journal, and sent to members not in arrears for dues. Annual subscription rates (on a calendar-year basis only) are $12.50 in the United States, $15.00 in Canada and Mexico, and $17.50 for all other countries, payable in advance. Single copies are $4.00 each, postpaid, in the United States, and $5.00 elsewhere. Send orders for back issues to Thomas E. Labedz, NOU Librarian, W-436 Nebraska Hall, University of Nebraska, Lincoln, NE 68588-0514.

Memberships in NOU (on a calendar year …

Samuel Aughey’S List Of Nebraska Birds (1878): A Critical Evaluation, Roger S. Sharpe

Nebraska Bird Review

The University of Nebraska was founded in Lincoln in 1869, but finances did not allow the addition of a scientist until 1875, when Samuel Aughey was added to the staff to fill the first chair of natural history (Pound and Clements 1900). Although a theologian by training, Aughey wrote prolifically on a number of natural history subjects pertaining to Nebraska, including its flora, fauna, and geology. A summary of his impressions of the natural history of the state, including its biota, was published in a book, "Sketches of the Physical Geography and Geology of Nebraska" (Aughey 1880), which was printed …

Mammals Of The Platte River Valley: Final Report, Patricia W. Freeman, Russell A. Benedict

University of Nebraska State Museum: Mammalogy Papers

Nebraska is characterised as a critical juncture for distributional ranges of mammals from northern, southern, eastern, and plains faunal elements. As might be expected, ranges have not remained static since the benchmark survey done by Jones, 1964. We have evidence that 10 of about 80 species of mammals found in the Platte River Valley have expanded their ranges. Opossum, red bats, bog lemmings, white-footed mice, woodchucks and least weasels are further west in the state, and grasshopper mice are further east in the state. Elliot's short-tailed shrew, cotton rats and armadillos are further north in the state. We have the …

Nebraska Ornithologists' Union 1993 Spring Meeting, South Sioux City, Nebraska, May 14-16, Todd Jensen

Nebraska Bird Review

Highlights of the 92nd Annual Business Meeting (condensed from notes by Todd Jensen, Secretary).

A special committee was appointed at the 1992 Annual Business Meeting to review and recommend changes in the current Articles of Incorporation, and the current and past Bylaws. These recommendations were presented by President George Brown to the 32 members present. After some debate, a motion was made by Emma Johnson, seconded by Ruth Green, that the Articles of Incorporation recommended by the committee be accepted. Motion carried. A motion was made by Clyde Johnson, seconded by Gary Purdy, that the Bylaws recommended by the committee …

Caudal Hedonic Glands In The Dark-Sided Salamander, Eurycea Longicauda Melanopleura (Urodela: Plethodontidae), Stanley E. Trauth, Richard D. Smith, Abbey Cheng, Patrick Daniel

Journal of the Arkansas Academy of Science

No abstract provided.

Phylogenetic Relationships Within The Batagur Complex (Testudines: Emydidae: Batagurinae), Jean M. Capler

Masters Theses

Relationships between 10 species of the batagurine genera Batagur, Callagur, Kachuga, Hardella, and Morenia are discussed based on a cladistic analysis of 35 morphological characters. Ocadia sinensis (Emydidae: Batagurinae) was used as the outgroup species. Four cladograms were produced with a length of 59.0 steps and a 0.75 consistency index. In contrast with previous studies, Hardella and Morenia do not appear as a monophyletic clade. Instead, Hardella is included with the remaining ingroup taxa (exclusive of Morenia) based on five synapomorphies. The present genus Kachuga was determined to be paraphyletic, having excluded the present genera Batagur and Callagur. The pangshura …

Unhatched Eggs In Nests Of Red-Cockaded Woodpeckers, Warren G. Montague, Claudia F. Bailey, Joseph C. Neal, Douglas A. James

Journal of the Arkansas Academy of Science

During 1991 and 1992, nests of Red-cockaded Woodpeckers (Picoides borealis) were monitored in the Ouachita National Forest in Scott and Polk counties of west-central Arkansas. Nests in three additional woodpecker areas in Arkansas and Oklahoma were also monitored in 1992. Of 92 eggs laid in 27 nesting attempts in the Ouachita National Forest, 18 (19%) failed to hatch. When viewed in the cavities, six unhatched eggs were noticeably below average in size for the species and eight were average size. Seven unhatched eggs were removed in 1992 from seven nests in Arkansas and Oklahoma; three eggs showed some embryological development …

Arkansas Range Extensions Of The Eastern Small-Footed Bat (Myotis Leibii) And Northern Long-Eared Bat (Myotisseptentrionalis) And Additional County Records For The Silver-Haired Bat (Lasionycteris Noctivagans), Hoary Bat (Lasiurus Cinereus), Southeastern Bat (Myotis Austroriparius), And Rafinesque's Big-Eared Bat (Plecotus Rafinesquii), David A. Saugey, V. Rick Mcdaniel, Daniel R. England, Marsha C. Rowe, Laura R. Chandler-Mozisek, Betty G. Cochran

Journal of the Arkansas Academy of Science

We continued field studies of bats in non-cave regions of Arkansas from 1989 to present and utilized specimens submitted to the Arkansas Department of Health Rabies Laboratory to establish Arkansas range extensions for the eastern smallfooted bat (Myotis leibii) and northern long-eared bat (Myotisseptentrionalis). In addition, we documented additional county records for the silver-haired bat (Lasionycteris noctivagans), hoary bat (Lasiurus cinereus), southeastern bat (Myotis austroriparius), and Rafinesque's big-eared bat (Plecotus rafinesquii).

Distribution Of The Mole Salamander, Ambystoma Talpoideum (Urodela: Ambystomatidae), In Arkansas With Notes On Paedomorphic Populations, Stanley E. Trauth, Betty G. Cochran, David A. Saugey, William R. Posey Ii, Wesley A. Stone

Journal of the Arkansas Academy of Science

No abstract provided.

Spiculopteragia Spiculoptera And S. Asymmetrica (Nematoda: Trichostrongyloidea) From Red Deer (Cervus Elaphus) In Texas, Lora G. Rickard, Eric P. Hoberg, Nancy M. Allen, Gary L. Zimmerman, Thomas M. Craig

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Specimens of Spiculopteragia spiculoptera and S. asymmetrica were recovered from the abomasa of five of ten naturally infected red deer (Cervus elaphus) in Texas (USA). Female specimens of Spiculopteragia were present in all five animals. Male specimens of S. spiculoptera and S. asymmetrica were present in one of five and three of five red deer, respectively. Spiculopteragia spiculoptera has not previously been recognized in the United States and the present report constitutes the first records of Spiculopteragia spp. in red deer from North America. It is likely that species of Spiculopteragia have been introduced to North America with …

Ecology Of The State Endangered Yellow Mud Turtle, Kinosternon Flavescens In Henry Co., Illinois, Michael W. Tuma

Masters Theses

Illinois populations of the state endangered yellow mud turtle (Kinosternon flavescens) persist in scattered locations on sand prairies. The largest population occurs on a remnant sand prairie of the former Green River Marsh in Henry Co. A study was conducted during 1992 to determine important criteria for preserve design. These criteria included extent of turtle movements within the site and habitat use. Turtles were captured by aquatic hoop traps, drift fence, and by hand from May 11 to August 31. A total of 16 adults, four juveniles, and eight hatchlings were captured. Population size was estimated at 44.80 adults using …

Biotic, Abiotic, And Behavioral Patterns Associated With The Nocturnal Movements Of Shrews, Patrick T. Sullivan

Masters Theses

Thirteen trails left by shrews coated with fluorescent powder were examined for microhabitat documentation. Thirteen data parameters were collected from each trail, two of which differed significantly between Blarina brevicauda and Sorex longirostris. The small soricid Sorex longirostris was captured in areas with higher grass content, and lower wooded content, than the larger Blarina brevicauda. The difference in microhabitat use may be a key mechanism in reducing competition between these two species.

Nebraska Ornithologists' Union Annual Meeting, May 14-16, 1993

Nebraska Bird Review

The NOU Annual Meeting will be held at the Marina Inn, South Sioux city, NE, with field trips scheduled for nearby areas. For further information, contact George Brown, President, 2018, 12th Ave., Kearney, NE (308/237-3864), or Scott Purdy, Vice Pres., 2222 Bellwood Drive, Apt. 104, Grand Island, NE 68801 (308/384-8903).

Nebraska Bird Review (December 1992) 60(4), Whole Issue

Nebraska Bird Review

Table of Contents

Corrections in Vol. 60 No.3, P. 78 1992…………………….152

Whooping Crane Sightings in Nebraska, Fall 1992…………………….152

International Migratory Bird Day, May 8, 1993 …………………….153

Nebraska Ornithologists' Union Annual Meeting, May 14-16, 1993…………………….153

Bird Items and Their Use in Some Omaha Indian Artifacts …………………….154

Sighting of a Canyon Wren in Knox County, Nebraska …………………….163

Notes on Bird Sightings…………………….166

Book Review…………………….168

Index to Volume 60 …………………….170

Masthead From Nebraska Bird Review (December 1992)

Nebraska Bird Review

Published quarterly in March, June, September, and December by the Nebraska Ornithologists' Union, Inc. as its official Journal, and sent to members not in arrears for dues. Annual subscription rates (on a calendar year basis only) are $12.50 in the United States, $15.00 in Canada and Mexico, and $17.50 for all other countries, payable in advance. Single copies are $4.00 each, postpaid, in the United States; $5.00 elsewhere. Send orders for back issues of the NBR to Thomas E. Labedz, NOU Librarian, W-436 Nebraska Hall, University of Nebraska, Lincoln, NE 68588-0514.

Memberships in NOU (on a calendar year basis only): …