Turbulence Seminar : Berkeley 1976 77 Lecture I Attempts to relate the navier stokes equations to turbulence Appendix to Lecture I: Bifurcations semiflows and navier stokes equations Lecture II Theories of turbulence Lecture III Dynamical systems and turbulence Lecture IV A phenomenonological theory for the computation of turbulent shear flows Lecture V Fractals and turbulence: Attractors and dispersion Lecture VII The structure of lorenz attractors Appendix to Lecture VII: Computer pictures of the Lorenz attractor Lecture VIII a model for couette flow data Two attempts at modeling two dimensional turbulence.