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- Lisa A. Morici, Ruth M. Elsey, Valentine A. Lance
- The Journal of experimental zoology
- 1997
Sixty juvenile alligators were implanted subcutaneously with slow release pellets of corticosterone or placebo. Alligators were divided into five different groups such that each group received a… (More)
- Valentine A. Lance
- Journal of experimental zoology. Part A…
- 2009
A brief review of our current understanding (or lack of understanding) of the molecular basis of temperature-dependent sex determination (TSD) in reptiles is presented. Current theories are… (More)
- Ian P. Callard, Valentine A. Lance, A R Salhanick, David Barad
- General and comparative endocrinology
- 1978
- Valentine A. Lance
- Experimental Gerontology
- 2003
Alligators are the most northerly distributed of the extant Crocodilia. Reproducing populations are found as far north as 35 degrees latitude in the freshwater marshes and rivers of coastal North… (More)
- Wittum Gabriel, Bruce Blumberg, Steven R Sutton, Allen R. Place, Valentine A. Lance
- The Journal of experimental zoology
- 2001
In all species of crocodilians, sex is determined not by genetic mechanisms, but by the temperature at which the egg is incubated. In the American alligator (Alligator mississippiensis) the… (More)
- Ian P. Callard, Gloria V. Callard, Valentine A. Lance, S S Eccles
- General and comparative endocrinology
- 1976
- Alison M. J. Buchan, Valentine A. Lance, Julia M P Polak
- Cell and Tissue Research
- 1983
The gastrointestinal tract of the alligator Alligator mississipiensis has been investigated for the presence of immunoreactivity to fourteen regulatory peptides all known to occur in the mammalian… (More)
- Tom C. Mathies, Todd A. Felix, Valentine A. Lance
- General and comparative endocrinology
- 2001
The effects of capture in a live trap and subsequent handling stress on plasma concentrations of corticosterone and other sex steroids were examined in wild male and female brown treesnakes (Boiga… (More)
- Valentine A. Lance, Denis R. Lauren
- General and comparative endocrinology
- 1984
Crocodilians are unique among the reptiles in that they lack a pineal gland. Since the pineal is believed to play a role in the regulation of photoperiodic control of circadian rhythms in activity… (More)
It is relatively easy to document direct agonistic interactions among or within species that lead to exclusion of subordinate animals from preferred habitats. It is more difficult to measure the… (More)