Author : Rakotoarisoa, J.M. 1 The conservation effort for two critically endangered amphibian species of the Ankaratra Massif, Boophis williamsi and Mantidactylus pauliani Serial title : FrogLog 2012 Authors : Andreone, F. RABEMANANJARA, F. Rabibisoa, N.H.C. Rahantalisoa, H. Rahantamalala, J. Rakotoarisoa, J.M. Randriamahazo, H.