If you want to know more:
Uller, T., While, G.M., Cadby, C.D., Harts, A., O’Connor, K., Pen, I., and Wapstra, E. (2011) Thermal opportunity, maternal effects, and offspring survival at different climatic extremes in a viviparous lizard. Evolution, 65: 2313–2324.
Cadby, C.D., Jones, S.M. and Wapstra, E. (2010) Are elevated levels of maternal corticosterone adaptive to offspring? A test using a viviparous lizard with complex placenta (Niveoscincus ocellatus). Functional Ecology, 24: 409-416
Uller, T., Wapstra, E. & Badyaev, A. V. (2009) Evolution of Parental Effects. Conceptual Issues and Empirical Patterns. Philosophical Transactions of the Royal Society, theme issue, Volume 364.
Mousseau, T.A., Uller, T., Wapstra, E. and Badyaev, A.V. (2009) Introduction: maternal effects as adaptations: past and present. Philosophical Transactions of the Royal Society B (theme issue) 364, 1035-1038