SCHAUB, M.J.*; ZALISKO, E.J.; SCHAEFER, J.C.: Another Advantage of Long Sauropod Necks: Reaching Out and Over Hazardous Environments. Long necks in sauropods may have diverse advantages. In addition to reaching up to browse on high vegetation, long necks permit sauropods to graze where they cannot easily stand, pass, or reach. Such restrictive environments include the […]

ANDERSON, C.W.: Anatomical evidence for brainstem circuits mediating hypoglossal motor output in the leopard frog, Rana pipiens Using injections of fluorescein dextran amine (FDA) combined with activity-dependent uptake of sulforhodamine 101 (SR101), brainstem circuits presumed to be involved in hypoglossal motor output were investigated. Injections into the cerebellar cortex combined with retrograde labeling of the […]

KLEMENHAGEN, K.C.*; RAND, M.S.: An Investigation of Opioid Involvement in the Modulation of Reproductive Behavior in the Whiptail Lizard Cnemidophorus velox The role of endogenous opioids in reproductive behavior has been studied in a variety of mammalian species. Additionally, amphibian locomotory behavior can be modulated by administration of the general opioid antagonist naloxone. The investigation […]

Lawrence, K.A.; Strange, R.M.: Allometric neuroanatomy among percids: correlation with adaptive trends? Adaptation to small headwater streams and a concomitant reduction in overall size is a major evolutionary trend in percid fishes. Changes in behavior, such as habitat preferences and life history attributes, are often linked with changes in the proportionate sizes of corresponding regions […]

Wolf, M.C. *; Moore, P.A.: Affects of the Herbicide Metolachlor on Perception of Chemical Stimuli by Crayfish, Oroconectes rusticus. Previous research has suggested that certain environmental pollutants interfere with the perception of chemical stimuli. It is not clear if the interference lies in masking the odor in the water itself or if there is a […]

MOFFETT, S.B.*; MARTUS, J.M.; GELPERIN, A.: Ablation of a slug’s procerebral lobe blocks its ability to discriminate water sources that are dangerous for rehydration. Limax maximus, the common garden slug, can experience dramatic reduction in body water and then is highly motivated to find a source of moisture for rehydration through the body surface (Matanock […]

KIDD, C.*; BRAINERD, E.L.: Abdominal pressure during high speed locomotion in the Texas spiny lizard, Sceloporus olivaceus In this study we measured pressure in the abdominal cavity of Sceloporus olivaceus at rest and during high speed locomotion on a trackway. During trackway locomotion, abdominal pressure fluctuates rapidly around mean pressure and appears to be correlated […]

BENNETT, V.A.; STEED, J.N.*; LEE, R.E.; KUKAL, O.: A description of Gynaephora groenlandica hibernacula sites and behavioral preferences for light, temperature, and soil moisture related to microhabitat selection G. groenlandica caterpillars overwinter in hibernacula anchored at the base of rocks on the Arctic tundra. At each of two study sites on Ellesmere Island, hibernacula were […]

SANSTAD, E.A.; JARZAB, D.M.; LeCLAIR, E.E.: A cDNA catalog of turtle shell development In turtles, the cranial and postcranial dermal bones are remarkably similar in structure, containing both sutures and plates. This leads to the question of how the vertebrate gene families that regulate mesodermal fate and intramembraneous bone formation have been co-opted to a […]

CARR, J.A.*; ELLERBY, D.J.; MARSH, R.L.; HERR, H.: Work and Power Output in Knee Flexor Muscle of the Frog (Rana pipiens) Numerous studies have reported on work and power output of various skeletal muscles. However, relatively few studies have reported on frog muscle. We measured work and power output in the sartorius and the dorsal […]