I. INTRODUCTION  
II. MODEL-INDEPENDENT PARAMETRIZATION OF ANISOTROPIC MODIFIED GRAVITIES  
III. GALAXY POWER SPECTRUM  
IV. WEAK LENSING: NULL GEODESICS WITH SCALAR, VECTOR AND TENSOR PERTURBATIONS  
V. THE DISTORTION TENSOR  
VI. WEAK-LENSING POWER SPECTRA  
VII. FISHER ANALYSIS FOR THE MULTIPOLE POWER SPECTRUM  
VIII. FISHER ANALYSIS FOR THE REDSHIFT-SPACE POWER SPECTRUM  
IX. FISHER ANALYSIS FOR THE WEAK LENSING POWER SPECTRUM  
X. FORECASTING PRIMORDIAL ANISOTROPIES  
XI. CONCLUSIONS