Abstract

was discov-ered near Burra, in the midnorth of South Australia(Armstrong et al., 1993). Subsequently, several otherisolated populations have been found nearby (Milne,1999), but all occupy small areas on privately ownedfarming properties. The species is still considered rareand endangered, and management and possible trans-location to conservation areas is a high priority.Knowledge of the reproductive behavior of the speciesis vital for conservation management.Data on reproductive parameters are also vital indeveloping understanding of the evolution of life-his-tory patterns. Australia has a rich lizard fauna, butrelatively few comparative studies of demographic pa-rameters are available (Greer, 1989). The skinks (fam-ily Scincidae) make up about 57% of all d escribed spe-cies in Australia (Cogger, 1992), and any study of theevolution of life-history characters of the Scincidaeshould include data from Australian taxa.Two common methods for investigating reproduc-tive biology of lizards were unavailable for this study.The first is to dissect preserved specimens that havebeen captured at different times of the year (e.g., Vitt,1991; Dearing and Schall, 1994). From a small sampleof museum specimens of

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